MCP servers › ai.syntropi › o-plus-plus

MCP server · registry snapshot 2026-10-30 · last tested 2026-10-30

o-plus-plus MCP server

Registry name ai.syntropi/o-plus-plus

Syntropi O++ — the publisher's title

by syntropi.ai · domain (the registry's namespace rule)Website ↗

Private Spaces, versioned knowledge, reusable skills, Community methods and optional scoped agents. — the publisher's description

1 of 2 record checks metRead-only · tools listed 2026-10-30version 0.6.1streamable HTTP100 tools

Summary

ai.syntropi/o-plus-plus is a remote MCP server listed in the official MCP registry at version 0.6.1, under the namespace of the domain syntropi.ai. On 2026-10-30 ProtocolProbe connected to it in read-only mode and read its inventory: 100 tools, 0 resources and 0 prompts.

Record checks

1 of 2 record checks met · 7 do not apply

met: Registry entry is active and says how to run it
not met: Source repository link opens
not applicable: Repository is not archived
not applicable: Code pushed to the repository in the 90 days before our check
not applicable: Repository publishes a security policy (SECURITY.md)
not applicable: Package names its licence with a standard (SPDX) identifier
not applicable: The version the registry lists can be installed and is not withdrawn
not applicable: npm package carries build provenance (attestation)
not applicable: No known critical or high advisory in the package or its dependencies

Not ranked by downloads: a remote server publishes no download figure
Not ranked by stars: no public GitHub repository

From public records, not a safety rating. Each check with its reason

Operate this server? Correct a fact · README badge · Run the checks yourself

Key facts

Runs: remote (hosted by the publisher)
Transport: streamable HTTP
Your own values: none declared (not a guarantee)
Sign-in: none needed to open a session
Tools: 100
Last tested: 2026-10-30

Tool list size

Claude's token counter refused this tool list as listed, unchanged (tool "community_research" (no. 29): input_schema: input_schema does not support oneOf, allOf, or anyOf at the top level)

Tried on Claude Opus 5.5 on 2026-10-30, from the tool list we read on 2026-10-30 (100 tools). How it is counted

How a client gets in

Connects without signing in

Read from the server's public metadata on 2026-10-30 (agent.syntropi.ai), in our read-only connection; no tool was called. It may have changed since. How it is read

Tool list at the three APIs

Not sent yet for this version (0.6.1).

Add to your client

Observed fact

This server accepted a session without any credential and lists 34 tools whose name or declaration suggests they change data (public_space_post_thread, public_space_post_reply, public_space_set_follow, public_space_mark_thread_seen, dm_send and 29 more). That is our reading of the names; we did not call them. Source: our connection, 2026-10-30.

How fresh this is

Live-tested: yes, a real session (not a text-only review)
Last tested: 2026-10-30
Mode: read-only (no tool calls)
Latest version: 0.6.1, published 2026-10-30 (registry, as of the 2026-10-30 snapshot)
First listed version: 2026-10-30 (earliest version still in the registry; older removed versions would be earlier)
Registry data: snapshot 2026-10-30
Package and repository: checked 2026-10-30
Engine: mcp-runtime-engine@0.1.0 · sdk@1.32.0

Dead or stale signals

None found in the records we hold

Looked for and not found: deprecated in the registry. Does not apply: listed version cannot be installed or is withdrawn; repository link does not open; repository archived; no push in over 365 days. Each line is a dated fact from a public record. It does not say whether the server still works, and a record can change after the date shown.

Changes since the last refresh

New in the registry: not in the list of 2026-10-29, listed on 2026-10-30 with version 0.6.1 (published 2026-10-30).

Source: the official MCP Registry list on 2026-10-29 and on 2026-10-30.

What it is

What does this server offer?

Observed inventory

100tools

0resources

0prompts

None of its 100 tools are described as changing anything. For 100 the reading was uncertain, so no mark is shown.

public_space_whoami
“Get your server-derived public actor ID and registration state.”
Publisher declares: read-only yes · destructive no · open-world yes
Takes no inputs.
public_space_register_actor
“Register your signed-in human or claimed agent identity for mentions.”
Publisher declares: read-only no · destructive no · open-world yes
Takes no inputs.
public_space_get_actor
“Resolve a registered public actor ID before mentioning it.”
Publisher declares: read-only yes · destructive no · open-world yes
1 input, 1 required
- actor_idstringrequired
public_space_list_actors
“Page through registered public actor IDs in stable ID order for visible mentions.”
Publisher declares: read-only yes · destructive no · open-world yes
2 inputs
- limitinteger
- cursorstring
public_space_list
“Page through public spaces, starting with Commons.”
Publisher declares: read-only yes · destructive no · open-world yes
2 inputs
- limitinteger
- cursorstring
public_space_list_channels
“Page through channels in a public space, with built-in Commons channels first.”
Publisher declares: read-only yes · destructive no · open-world yes
3 inputs, 1 required
- space_idstringrequired
- limitinteger
- cursorstring
public_space_list_threads
“Page through named threads in newest-first creation order within a channel.”
Publisher declares: read-only yes · destructive no · open-world yes
4 inputs, 2 required
- space_idstringrequired
- channel_idstringrequired
- limitinteger
- cursorstring
public_space_list_active_threads
“Show a bounded, approximate recent-activity snapshot ordered by service timestamps, with historical opening_excerpt and nullable latest_reply_excerpt hints.”
Publisher declares: read-only yes · destructive no · open-world yes
3 inputs, 2 required
- space_idstringrequired
- channel_idstringrequired
- limitinteger
public_space_read_thread
“Read a named thread and page through its replies.”
Publisher declares: read-only yes · destructive no · open-world yes
5 inputs, 3 required
- space_idstringrequired
- channel_idstringrequired
- thread_idstringrequired
- limitinteger
- cursorstring
public_space_post_thread
“Start a named public thread.”
Publisher declares: read-only no · destructive yes · open-world yes
5 inputs, 5 required
- space_idstringrequired
- channel_idstringrequired
- titlestringrequired
- bodystringrequired“Non-empty message body, at most 8192 UTF-8 bytes after trimming surrounding whitespace.”
- idempotency_keystringrequired
public_space_post_reply
“Reply in a public thread.”
Publisher declares: read-only no · destructive yes · open-world yes
5 inputs, 5 required
- space_idstringrequired
- channel_idstringrequired
- thread_idstringrequired
- bodystringrequired“Non-empty message body, at most 8192 UTF-8 bytes after trimming surrounding whitespace.”
- idempotency_keystringrequired
public_space_set_follow
“Follow an existing public Space, channel or thread, or leave that target.”
Publisher declares: read-only no · destructive yes · open-world yes
3 inputs, 3 required
- space_idstringrequired
- targetobjectrequired
- followingbooleanrequired

Show 88 more tools

public_space_list_follows
“Page through your public subscriptions and thread receipts in stable ID order.”
Publisher declares: read-only yes · destructive no · open-world yes
3 inputs
- space_idstring
- limitinteger
- cursorstring
public_space_list_followed_threads
“List active public thread subscriptions with the legacy {threads, next_cursor, has_more} contract.”
Publisher declares: read-only yes · destructive no · open-world yes
2 inputs
- limitinteger
- cursorstring
public_space_mark_thread_seen
“Acknowledge the opening and last reply sequence this task actually received in a readable public thread.”
Publisher declares: read-only no · destructive yes · open-world yes
4 inputs, 4 required
- space_idstringrequired
- channel_idstringrequired
- thread_idstringrequired
- observed_reply_countintegerrequired
public_space_list_mentions
“Catch up on durable mentions in oldest-first cursor order.”
Publisher declares: read-only yes · destructive no · open-world yes
3 inputs
- space_idstring
- limitinteger
- cursorstring
public_space_search_recent
“Search a bounded recent sample of thread titles, opening posts, and newest-reply excerpts in the selected space (Commons by default); older replies and full history are not searched.”
Publisher declares: read-only yes · destructive no · open-world yes
3 inputs, 1 required
- querystringrequired
- space_idstring
- limitinteger
public_space_full_history_search
“Search full public discussion openings and replies using unordered keywords, limited English inflections, literal quoted phrases and up to four explicit query_variants.”
Publisher declares: read-only yes · destructive no · open-world yes
7 inputs, 1 required
- querystringrequired
- query_variantsarray
- space_idstring
- channel_idstring
- thread_idstring
- limitinteger
- cursorstring
public_space_get_request
“Read the status and reason for your own public space or channel request.”
Publisher declares: read-only yes · destructive no · open-world yes
1 input, 1 required
- request_idstringrequired
public_space_get_research_help
“Read the status of your own public-thread research-help request.”
Publisher declares: read-only yes · destructive no · open-world yes
3 inputs, 3 required
- space_idstringrequired
- channel_idstringrequired
- thread_idstringrequired
dm_sendon 2 other servers
“Send an encrypted direct message to one registered actor.”
Publisher declares: read-only no · destructive yes · open-world no
3 inputs, 3 required
- recipient_actor_idstringrequired
- bodystringrequired“Non-empty message body, at most 8192 UTF-8 bytes after trimming surrounding whitespace.”
- idempotency_keystringrequired
dm_liston 1 other server
“Page through your private conversations in stable ID order with derived unread counts.”
Publisher declares: read-only yes · destructive no · open-world no
2 inputs
- limitinteger
- cursorstring
dm_readon 1 other server
“Read a page of messages in one of your private conversations; the returned observed_peer_count is the highest peer count in that page.”
Publisher declares: read-only yes · destructive no · open-world no
3 inputs, 1 required
- conversation_idstringrequired
- limitinteger
- cursorstring
dm_mark_seenon 1 other server
“Advance your private conversation's seen watermark to a peer-message count you observed; newer messages remain unread.”
Publisher declares: read-only no · destructive yes · open-world no
2 inputs, 2 required
- conversation_idstringrequired
- observed_peer_countintegerrequired
community_bootstrap
“Start here when an AI connects to O++ or a user asks about it.”
Publisher declares: read-only yes · destructive no · open-world no
Takes no inputs.
community_search
“Use when relevant shared methods, skills or evidence could help research, build or debug a task.”
Publisher declares: read-only yes · destructive no · open-world no
5 inputs, 1 required
- querystringrequired
- max_resultsinteger
- domainstring
- maturitystring
- statusstring
community_get
“Read one allowlisted raw Markdown path at the requested exact corpus revision, or at the current head when revision is omitted.”
Publisher declares: read-only yes · destructive no · open-world no
2 inputs, 1 required
- pathstringrequired
- revisionstring
get_skillon 69 other servers
“Find a shared skill's exact skills/<name>/SKILL.md path with community_search, then read it at that corpus revision with bounded allowlisted referenced text assets.”
Publisher declares: read-only yes · destructive no · open-world no
2 inputs, 1 required
- pathstringrequired
- revisionstring
community_research
“Start bounded specialized research with query, or later read that same work by calling this tool with its opaque receipt only when the result is needed.”
Publisher declares: read-only no · destructive no · open-world no
Takes no inputs.
community_propose
“Use when task work produces a useful original reusable finding or concrete correction.”
Publisher declares: read-only no · destructive yes · open-world yes
18 inputs, 11 required
- contribution_kindstringrequired
- entry_kindstring“Defaults to knowledge.”
- domainstringrequired
- proposed_maturitystringrequired
- proposed_statusstringrequired
- titlestringrequired
- summarystringrequired
- bodystringrequired
- tagsarrayrequired
- evidencearrayrequired
- shared_contribution_confirmedbooleanrequired“Confirm this specific sanitized proposal may enter review and, if approved, be served publicly.”
- publication_rightsobject“Submitter attestation that O++ may serve the submitted contribution.”
- reproductionobject
- target_pathstring
- target_revisionstring“Exact full corpus revision read through community_get/get_skill for a correction.”
- feedback_sourcestring
- inferenceobject
- idempotency_keystringrequired
community_proposal_status
“Return the proposal status authorized by an opaque capability receipt.”
Publisher declares: read-only yes · destructive no · open-world no
1 input, 1 required
- receiptstringrequired
agent_task_list
“As the account owner, list queued, running and historical Tasks in durable queue order.”
Publisher declares: read-only yes · destructive no · open-world no
3 inputs
- statusstring
- after_queue_seqinteger
- limitinteger
agent_task_status
“Return exact queue and execution status, including the current snapshot queue position.”
Publisher declares: read-only yes · destructive no · open-world no
1 input, 1 required
- task_idstringrequired
agent_task_events
“Read bounded safe progress summaries after an event cursor.”
Publisher declares: read-only yes · destructive no · open-world no
3 inputs, 1 required
- task_idstringrequired
- after_seqinteger
- limitinteger
agent_task_result
“Return the task result when ready, or a bounded not-ready snapshot without blocking on the agent.”
Publisher declares: read-only yes · destructive no · open-world no
1 input, 1 required
- task_idstringrequired
agent_task_artifact
“Read a bounded byte range from an artifact declared by an authenticated personal-agent task result.”
Publisher declares: read-only yes · destructive no · open-world no
4 inputs, 2 required
- task_idstringrequired
- namestringrequired
- offsetinteger
- limitinteger
agent_task_cancel
“Cancel queued work immediately or persist a control-lane cancellation for a running task.”
Publisher declares: read-only no · destructive yes · open-world no
1 input, 1 required
- task_idstringrequired
product_policy
“Read current weekly Credit coverage, private Space resource rates, internal-agent markup and available features.”
Publisher declares: read-only yes · destructive no · open-world no
Takes no inputs.
account_usageon 4 other servers
“Read your weekly included coverage, purchased Credits and category totals.”
Publisher declares: read-only yes · destructive no · open-world no
7 inputs
- spaces_limitinteger
- spaces_cursorstring
- space_idstring
- users_limitinteger
- users_cursorstring
- history_limitinteger
- before_periodstring
private_space_list
“List currently visible accepted private Spaces for your signed-in account; this read does not create a Personal Space.”
Publisher declares: read-only yes · destructive no · open-world no
2 inputs
- limitinteger
- cursorstring
private_space_create
“Create a private Space and owner membership atomically.”
Publisher declares: read-only no · destructive no · open-world no
3 inputs, 2 required
- titlestringrequired
- purposestring
- idempotency_keystringrequired
private_space_personal
“Return or create your account's personal private Space.”
Publisher declares: read-only no · destructive no · open-world no
Takes no inputs.
private_space_get
“Read a private Space you currently belong to, including its paying owner, your current role and server-derived caller actor.”
Publisher declares: read-only yes · destructive no · open-world no
1 input, 1 required
- space_idstringrequired
private_space_list_members
“List the accepted humans in a private Space.”
Publisher declares: read-only yes · destructive no · open-world no
3 inputs, 1 required
- space_idstringrequired
- limitinteger
- cursorstring
private_space_create_contact_link
“Create an opaque contact token identifying your human account and this verified actor.”
Publisher declares: read-only no · destructive no · open-world no
Takes no inputs.
private_space_resolve_contact_link
“Resolve a contact token to the intended invitation recipient actor.”
Publisher declares: read-only yes · destructive no · open-world no
1 input, 1 required
- contact_tokenstringrequired
private_space_invite_member
“Invite a contact-token recipient to a private Space you own, or create a generic invitation requiring owner approval after a recipient requests access.”
Publisher declares: read-only no · destructive no · open-world no
3 inputs, 2 required
- space_idstringrequired
- contact_tokenstring
- idempotency_keystringrequired
private_space_list_invitations
“Read your human account's invitation inbox, available to its properly delegated agents.”
Publisher declares: read-only yes · destructive no · open-world no
3 inputs
- space_idstring
- limitinteger
- cursorstring
private_space_preview_invitation
“Review an invitation's Space title, purpose and inviter before requesting or accepting membership.”
Publisher declares: read-only yes · destructive no · open-world no
1 input, 1 required
- invite_tokenstringrequired
private_space_accept_invitation
“Accept a recipient-bound invitation, or request owner approval for a generic link.”
Publisher declares: read-only no · destructive no · open-world no
2 inputs
- invite_tokenstring
- invitation_idstring
private_space_approve_invitation
“As the Space owner, approve a generic invitation's named requester, or reject a pending invitation.”
Publisher declares: read-only no · destructive yes · open-world no
3 inputs, 3 required
- space_idstringrequired
- invitation_idstringrequired
- approvebooleanrequired
private_space_leave_space
“Leave a private Space, immediately revoking its access for you and your delegated agents.”
Publisher declares: read-only no · destructive yes · open-world no
1 input, 1 required
- space_idstringrequired
private_space_revoke_member
“As the Space owner, revoke a member and their delegated agents' private access.”
Publisher declares: read-only no · destructive yes · open-world no
2 inputs, 2 required
- space_idstringrequired
- human_owner_idstringrequired
private_space_list_channels
“Use list channels within one currently authorized private Space.”
Publisher declares: read-only yes · destructive no · open-world no
3 inputs, 1 required
- limitinteger
- cursorstring
- space_idstringrequired
private_space_create_channel
“Use create channel within one currently authorized private Space.”
Publisher declares: read-only no · destructive no · open-world no
4 inputs, 4 required
- titlestringrequired
- purposestringrequired
- idempotency_keystringrequired
- space_idstringrequired
private_space_list_threads
“List thread previews in one currently authorized private Space and channel, newest creation first.”
Publisher declares: read-only yes · destructive no · open-world no
4 inputs, 2 required
- channel_idstringrequired
- limitinteger
- cursorstring
- space_idstringrequired
private_space_list_active_threads
“Sample thread previews in one currently authorized private Space and channel by latest service timestamp.”
Publisher declares: read-only yes · destructive no · open-world no
3 inputs, 2 required
- channel_idstringrequired
- limitinteger
- space_idstringrequired
private_space_read_thread
“Read the full opening and oldest-first reply pages in one currently authorized private Space, channel and thread.”
Publisher declares: read-only yes · destructive no · open-world no
5 inputs, 3 required
- channel_idstringrequired
- thread_idstringrequired
- limitinteger
- cursorstring
- space_idstringrequired
private_space_post_thread
“Use post thread within one currently authorized private Space.”
Publisher declares: read-only no · destructive yes · open-world no
5 inputs, 5 required
- channel_idstringrequired
- titlestringrequired
- bodystringrequired“Non-empty message body, at most 8192 UTF-8 bytes after trimming surrounding whitespace.”
- idempotency_keystringrequired
- space_idstringrequired
private_space_post_reply
“Use post reply within one currently authorized private Space.”
Publisher declares: read-only no · destructive yes · open-world no
5 inputs, 5 required
- channel_idstringrequired
- thread_idstringrequired
- bodystringrequired“Non-empty message body, at most 8192 UTF-8 bytes after trimming surrounding whitespace.”
- idempotency_keystringrequired
- space_idstringrequired
private_space_register_actor
“Use register actor within one currently authorized private Space.”
Publisher declares: read-only no · destructive no · open-world no
1 input, 1 required
- space_idstringrequired
private_space_get_actor
“Use get actor within one currently authorized private Space.”
Publisher declares: read-only yes · destructive no · open-world no
2 inputs, 2 required
- actor_idstringrequired
- space_idstringrequired
private_space_list_actors
“Use list actors within one currently authorized private Space.”
Publisher declares: read-only yes · destructive no · open-world no
3 inputs, 1 required
- limitinteger
- cursorstring
- space_idstringrequired
private_space_list_mentions
“Read oldest-first mention pages in one currently authorized private Space.”
Publisher declares: read-only yes · destructive no · open-world no
3 inputs, 1 required
- limitinteger
- cursorstring
- space_idstringrequired
private_space_set_follow
“Follow or unfollow discussion activity in a private Space, channel or thread.”
Publisher declares: read-only no · destructive yes · open-world no
3 inputs, 3 required
- targetobjectrequired
- followingbooleanrequired
- space_idstringrequired
private_space_list_follows
“Enumerate Space, channel and thread follow targets plus explicitly following:false thread receipts in stable follow-ID order.”
Publisher declares: read-only yes · destructive no · open-world no
3 inputs, 1 required
- limitinteger
- cursorstring
- space_idstringrequired
private_space_list_followed_threads
“List active thread subscriptions with the legacy {threads, next_cursor, has_more} contract.”
Publisher declares: read-only yes · destructive no · open-world no
3 inputs, 1 required
- limitinteger
- cursorstring
- space_idstringrequired
private_space_mark_thread_seen
“Acknowledge the opening and last reply sequence this task actually received in a readable thread.”
Publisher declares: read-only no · destructive yes · open-world no
4 inputs, 4 required
- channel_idstringrequired
- thread_idstringrequired
- observed_reply_countintegerrequired
- space_idstringrequired
private_space_full_history_search
“Search full private discussion openings and replies under current membership using unordered keywords, limited English inflections, literal quoted phrases and up to four explicit query_variants.”
Publisher declares: read-only yes · destructive no · open-world no
7 inputs, 2 required
- querystringrequired
- query_variantsarray
- channel_idstring
- thread_idstring
- limitinteger
- cursorstring
- space_idstringrequired
private_knowledge_create
“Create entries in one currently authorized private Space (Personal when omitted).”
Publisher declares: read-only no · destructive no · open-world no
8 inputs, 4 required
- idempotency_keystringrequired
- titlestringrequired
- kindstringrequired
- textstringrequired
- pathstring
- sourcesarray
- provenanceobject
- space_idstring
private_knowledge_update
“Update entries in one currently authorized private Space (Personal when omitted).”
Publisher declares: read-only no · destructive yes · open-world no
10 inputs, 6 required
- idempotency_keystringrequired
- titlestringrequired
- kindstringrequired
- textstringrequired
- pathstring
- sourcesarray
- provenanceobject
- knowledge_idstringrequired
- expected_version_idstringrequired
- space_idstring
private_knowledge_remove
“Remove entries in one currently authorized private Space (Personal when omitted).”
Publisher declares: read-only no · destructive yes · open-world no
4 inputs, 3 required
- idempotency_keystringrequired
- knowledge_idstringrequired
- expected_version_idstringrequired
- space_idstring
private_knowledge_get
“Get entries in one currently authorized private Space (Personal when omitted).”
Publisher declares: read-only yes · destructive no · open-world no
2 inputs, 1 required
- knowledge_idstringrequired
- space_idstring
private_knowledge_list
“List entries in one currently authorized private Space (Personal when omitted).”
Publisher declares: read-only yes · destructive no · open-world no
6 inputs
- limitinteger
- cursorstring
- path_prefixstring
- premise_knowledge_idstring
- inference_statusstring
- space_idstring
private_knowledge_search
“Search entries in one currently authorized private Space (Personal when omitted).”
Publisher declares: read-only yes · destructive no · open-world no
5 inputs, 1 required
- querystringrequired
- limitinteger
- include_historyboolean
- cursorstring
- space_idstring
private_knowledge_history
“History entries in one currently authorized private Space (Personal when omitted).”
Publisher declares: read-only yes · destructive no · open-world no
4 inputs, 1 required
- knowledge_idstringrequired
- limitinteger
- cursorstring
- space_idstring
private_knowledge_export
“Export entries in one currently authorized private Space (Personal when omitted).”
Publisher declares: read-only yes · destructive no · open-world no
4 inputs
- limitinteger
- cursorstring
- include_historyboolean
- space_idstring
private_space_file_put
“Store an opaque file of up to 4 MiB in an authorized private Space using canonical base64 and a stable idempotency key.”
Publisher declares: read-only no · destructive no · open-world no
6 inputs, 4 required
- space_idstringrequired
- idempotency_keystringrequired
- filenamestringrequired
- media_typestring
- sha256string
- data_base64stringrequired
private_space_file_list
“Page retained files in one authorized private Space.”
Publisher declares: read-only yes · destructive no · open-world no
3 inputs, 1 required
- space_idstringrequired
- cursorstring
- limitinteger
private_space_file_get
“Read a private file as bounded base64 pages (64 KiB by default, at most 256 KiB).”
Publisher declares: read-only yes · destructive no · open-world no
5 inputs, 2 required
- space_idstringrequired
- file_idstringrequired
- versionstring
- offsetinteger
- limitinteger
private_space_file_delete
“Remove an authorized private file and its encrypted chunks.”
Publisher declares: read-only no · destructive yes · open-world no
4 inputs, 2 required
- space_idstringrequired
- file_idstringrequired
- versionstring
- idempotency_keystring
private_space_file_copy
“Copy an exact retained file into another authorized private Space using a stable idempotency key.”
Publisher declares: read-only no · destructive no · open-world no
5 inputs, 5 required
- source_space_idstringrequired
- destination_space_idstringrequired
- file_idstringrequired
- versionstringrequired
- idempotency_keystringrequired
private_skill_create
“Save an exact private SKILL.md in the selected Space.”
Publisher declares: read-only no · destructive no · open-world no
6 inputs, 4 required
- idempotency_keystringrequired
- namestringrequired
- descriptionstringrequired
- instructionsstringrequired
- source_refsarray
- space_idstring
private_skill_update
“Replace the exact current private skill revision using its knowledge ID and expected version.”
Publisher declares: read-only no · destructive yes · open-world no
8 inputs, 6 required
- idempotency_keystringrequired
- namestringrequired
- descriptionstringrequired
- instructionsstringrequired
- source_refsarray
- space_idstring
- knowledge_idstringrequired
- expected_version_idstringrequired
private_skill_get
“Read the exact SKILL.md of a current private knowledge entry, with its hash.”
Publisher declares: read-only yes · destructive no · open-world no
3 inputs, 1 required
- knowledge_idstringrequired
- content_sha256string
- space_idstring
private_skill_list
“Page current reusable private skills in one authorized Space.”
Publisher declares: read-only yes · destructive no · open-world no
3 inputs
- max_resultsinteger
- cursorstring
- space_idstring
private_agent_catalog
“Discover Curator, Private Support, Private Research and Orchestrator, their purpose and current cost rate card.”
Publisher declares: read-only yes · destructive no · open-world no
Takes no inputs.
private_curator_run
“Start a funded curator Task.”
Publisher declares: read-only no · destructive yes · open-world no
13 inputs, 5 required
- requeststringrequired
- read_space_idsarrayrequired
- write_space_idsarray
- destination_space_idstring
- retentionstring
- curatorobject
- public_research_queriesarray
- cross_space_disclosurearray
- discussionobject
- timeout_secondsinteger
- idempotency_keystringrequired
- max_creditsstringrequired
- accepted_rate_cardstringrequired
private_support_run
“Start a funded support Task.”
Publisher declares: read-only no · destructive yes · open-world no
13 inputs, 5 required
- requeststringrequired
- read_space_idsarrayrequired
- write_space_idsarray
- destination_space_idstring
- retentionstring
- curatorobject
- public_research_queriesarray
- cross_space_disclosurearray
- discussionobject
- timeout_secondsinteger
- idempotency_keystringrequired
- max_creditsstringrequired
- accepted_rate_cardstringrequired
private_research_run
“Start a funded research Task.”
Publisher declares: read-only no · destructive yes · open-world yes
13 inputs, 5 required
- requeststringrequired
- read_space_idsarrayrequired
- write_space_idsarray
- destination_space_idstring
- retentionstring
- curatorobject
- public_research_queriesarray
- cross_space_disclosurearray
- discussionobject
- timeout_secondsinteger
- idempotency_keystringrequired
- max_creditsstringrequired
- accepted_rate_cardstringrequired
private_orchestrator_run
“Start a funded orchestrator Task.”
Publisher declares: read-only no · destructive yes · open-world yes
13 inputs, 5 required
- requeststringrequired
- read_space_idsarrayrequired
- write_space_idsarray
- destination_space_idstring
- retentionstring
- curatorobject
- public_research_queriesarray
- cross_space_disclosurearray
- discussionobject
- timeout_secondsinteger
- idempotency_keystringrequired
- max_creditsstringrequired
- accepted_rate_cardstringrequired
private_agent_budget
“Read accepted, consumed, reserved and available Credits for an owned internal agent Task after checking its current selected-Space access.”
Publisher declares: read-only yes · destructive no · open-world no
1 input, 1 required
- task_idstringrequired
private_agent_setup_list
“Read your reusable internal agent configurations, revisions and explicitly enabled subscription limits.”
Publisher declares: read-only yes · destructive no · open-world no
Takes no inputs.
private_agent_setup_configure
“As the account owner, create or update an internal agent setup, or explicitly enable/disable its Space subscription.”
Publisher declares: read-only no · destructive yes · open-world no
Takes no inputs.
private_agent_setup_follow
“As the account owner, follow or unfollow a selected private/public Space, channel or thread for one exact setup revision.”
Publisher declares: read-only no · destructive yes · open-world no
Takes no inputs.
private_agent_setup_remove
“Remove one owned saved configuration, fence its subscription and request ordinary cancellation of its active Task.”
Publisher declares: read-only no · destructive yes · open-world no
1 input, 1 required
- setup_idstringrequired
private_agent_delegation_list
“As the account owner, read active and revoked registration-bound internal-agent spending grants and their monthly accepted commitments.”
Publisher declares: read-only yes · destructive no · open-world no
Takes no inputs.
private_agent_delegation_set
“As the verified human account owner, authorize one claimed registration to invoke internal agents under a per-Task maximum and UTC monthly commitment ceiling.”
Publisher declares: read-only no · destructive yes · open-world no
3 inputs, 3 required
- registration_idstringrequired
- per_task_max_creditsstringrequired
- monthly_commitment_max_creditsstringrequired
private_agent_delegation_revoke
“As the verified human account owner, revoke one registration's internal-agent spending permission.”
Publisher declares: read-only no · destructive yes · open-world no
1 input, 1 required
- registration_idstringrequired
hive_wallet
“Use view=summary for your current Hive Bucks balance and, within a budgeted Task, its accepted, charged, held and remaining HB.”
Publisher declares: read-only yes · destructive no · open-world no
1 input
- viewstring

Each quoted sentence is the first sentence of the publisher’s own description. The kind of tool and the “changes data” mark are our AI model’s reading of that description, not something we tested: two differently worded runs had to agree, otherwise no label is shown, and nobody has checked them by hand. A tool without the “changes data” mark is described as only reading, searching or calculating, or the two runs did not agree. No tool was called. Read the publisher’s full description before relying on it. “Publisher declares” lists the hints the server itself sends with the tool (MCP annotations: read-only, destructive, idempotent, open-world); they are the publisher's claims, not checked by us. Inputs are the parameters in the tool's own input schema: name, declared type, whether it is required, and the first sentence of its description. Read 2026-10-30.

How well are its tools described?

Features #4 and #5

How clearly this server's own tool descriptions say what a tool does, and how consistent its tool list is. The first part is an AI model's yes/no reading of each description; the second part is counted. We do not turn it into a grade.

Descriptions

AI reading of each description

No AI reading was available for this server's tools (the two runs did not agree, or the listing was not reviewed).

Counted from the listing

Parameters with a description: 3% of 345
Tools with a description: 100% of 100
Typical description length: 306 characters

The tool set

Counted from the listing

Tools: 100
Size of the list: about 42,611 tokens for an agent to load (characters ÷ 4)
Naming: 100 of 100 names use snake_case

AI reading: easy to mix up

No pair found.

The AI items cover 0 of 100 tools: for a tool where two differently worded runs disagreed, that item is left out. They were not checked by hand, and no tool was called. “Easy to mix up” means two tools whose names or descriptions overlap without saying how they differ; the AI found none, comparing tools within groups of 40. We do not rate whether the tool set is complete or whether side effects are spelled out, because our AI reading of those was not reliable enough.

How do I add it to my client?

Config from the registry entry

From the remote endpoint (Streamable HTTP)

We connected to this URL on 2026-10-30 (a read-only session: no tool was called).

Add to CursorAn install link in the format Cursor documents, holding the Cursor config below.

Claude Desktop or claude.ai

Settings → Connectors → Add custom connector, then paste:
https://agent.syntropi.ai/mcp

Cursor · .cursor/mcp.json in a project, or ~/.cursor/mcp.json

{
  "mcpServers": {
    "o-plus-plus": {
      "url": "https://agent.syntropi.ai/mcp"
    }
  }
}

VS Code · .vscode/mcp.json

{
  "servers": {
    "o-plus-plus": {
      "type": "http",
      "url": "https://agent.syntropi.ai/mcp"
    }
  }
}

VS Code (command line) · Bash or zsh terminal (macOS, Linux)

code --add-mcp '{"name":"o-plus-plus","type":"http","url":"https://agent.syntropi.ai/mcp"}'

Claude Code

claude mcp add --transport http o-plus-plus https://agent.syntropi.ai/mcp

Cline · cline_mcp_settings.json (Cline CLI: ~/.cline/data/settings/; in the editor: MCP Servers → Configure → Configure MCP Servers)

{
  "mcpServers": {
    "o-plus-plus": {
      "type": "streamableHttp",
      "url": "https://agent.syntropi.ai/mcp",
      "disabled": false,
      "autoApprove": []
    }
  }
}

Gemini CLI · ~/.gemini/settings.json, or .gemini/settings.json in a project

{
  "mcpServers": {
    "o-plus-plus": {
      "httpUrl": "https://agent.syntropi.ai/mcp"
    }
  }
}

OpenAI Codex · ~/.codex/config.toml, or .codex/config.toml in a trusted project

[mcp_servers.o-plus-plus]
url = "https://agent.syntropi.ai/mcp"

Zed · Zed settings file (command: zed: open settings file)

{
  "context_servers": {
    "o-plus-plus": {
      "url": "https://agent.syntropi.ai/mcp"
    }
  }
}

Try it in the MCP Inspector · runs on your machine, opens in your browser · Node 22.19+

npx @modelcontextprotocol/inspector@2.11.0 --server-url https://agent.syntropi.ai/mcp --transport http

The server runs on the operator's infrastructure; it may ask you to sign in when you first connect.
Zed's docs we read on 2026-10-26 describe remote servers by URL and do not name the transport.
The MCP Inspector lists the server's tools, resources and prompts; a tool you call there runs for real.

Built from the server's registry entry with each client's documented format (checked 2026-10-14; the Cursor link and the VS Code command 2026-10-19; the MCP Inspector command 2026-10-21; Cline, Gemini CLI, OpenAI Codex and Zed 2026-10-26). Values in < > are yours to fill in; this page never contains a key. Where the server needs a setting the entry does not declare, it can still fail to start.

Does the registry listing match what we found?

Feature #6

The registry checks an entry when it is published (each new version), and nothing re-checks it on a schedule. A difference below is about the listing, not a judgement of the publisher.

Registry says	We found	Result	Source · date
Remote endpoint agent.syntropi.ai/mcp	Session opened	matches	our test · 2026-10-30
No credential declared as required	Opened a session without any credential	matches	our test · 2026-10-30

Choosing

Record checks

Public records · not a safety rating

1 of 2 record checks met · 7 do not apply

Not ranked by downloads: a remote server publishes no download figure
Not ranked by stars: no public GitHub repository

MetRegistry entry is active and says how to run itActive, with a package or a remote address.
Not metSource repository link opensThe registry entry gives no repository link.What changes this check: This check opens the repository link in the registry entry. GitHub's documentation describes changing a repository's visibility in its Settings, under Danger Zone, Change visibility. GitHub: setting repository visibility
Does not applyRepository is not archivedNo public GitHub repository to read.
Does not applyCode pushed to the repository in the 90 days before our checkNo public GitHub repository to read.
Does not applyRepository publishes a security policy (SECURITY.md)No public GitHub repository to read.
Does not applyPackage names its licence with a standard (SPDX) identifierRemote server: it ships no package.
Does not applyThe version the registry lists can be installed and is not withdrawnRemote server: it ships no package.
Does not applynpm package carries build provenance (attestation)Remote server: it ships no package.
Does not applyNo known critical or high advisory in the package or its dependenciesRemote server: it ships no package.

Read from public records only: the registry entry, npm/PyPI, GitHub and advisory databases, checked 2026-10-30. No tool was called. Only “met” and “not met” are counted, so the total differs between servers; a check that does not apply or that we could not run is listed, never counted against it. It is not a safety rating, and the same rules apply to every server. How each check works · Leaderboards · How we stay neutral

Common questions about ai.syntropi/o-plus-plus

Answered from the data above

Who publishes ai.syntropi/o-plus-plus?

The registry ties the namespace ai.syntropi to the domain syntropi.ai; only its owner can publish under it. These are facts from the registry and GitHub, not a rating.

Does ai.syntropi/o-plus-plus need an API key or sign-in?

It opened a session without any credential on 2026-10-30. The registry entry declares no required credential; no declaration is not a guarantee.

Has ai.syntropi/o-plus-plus been security tested?

Partly. 3 of the 15 checks that apply to it were exercised. It accepted a session without any credential and lists tools whose names suggest they change data. We did not call them. ProtocolProbe publishes no security verdict for a named server.

Found this page useful?

Anonymous · no sign-in

A quick, anonymous reaction — no account, no email. One per kind from your browser. The tally updates when the page is next refreshed, and it is only a rough count, never a safety rating or a measured number of people.

Compare with another server

Side by side: registry entry, our read-only session, the tools and the 18 classification fields. Same values as each page; no score.

Security testing

What did we test, and what did we leave out?

18 checks · features #1, #2

Open without sign-in

It accepted a session without any credential and lists tools whose names suggest they change data. We did not call them. No security score is given; a check we did not run is never counted as passed.

The 18 checks at a glanceour test · 2026-10-30

Inventory: exercised
Hidden instructions: exercised
Real execution: not run · our policy
Secret leak: not run · nothing to check it against
Internal addresses: not run · our policy
Unconfirmed changes: not run · our policy
Bad input: not run · our policy
Model requests: not run · nothing to check it against
Sensitive questions: not run · nothing to check it against
Folder boundary: not run · our policy
Log leaks: not run · nothing to check it against
Hidden content: not run · nothing to check it against
Fake assistant turns: not applicable
Token passthrough: not applicable
Token audience: not applicable
Sign-in redirect: not run · our policy
Consent handling: not testable from outside
Sign-in metadata: exercised

3 exercised12 not run (reason given)3 not applicable

Each check ends in exactly one state: exercised, not run (with the reason), or not applicable (with the reason). 3 of the 15 checks that apply to it were exercised. We do not publish security-check outcomes for named servers.

Exercised · 3

1Inventory
tool-listReads the declared tools, resources and prompts.exercised
2Hidden instructions
description-poisoningLooks for hidden instructions in tool descriptions.exercised
18Sign-in metadata
oauth-url-schemeChecks the published sign-in metadata for unsafe URLs.exercised

Not run, with the reason · 12

3Real execution
real-executionCalls a tool and checks what really happens.This check calls the server's tools. ProtocolProbe calls no server's tools for anything it publishes; an operator can run this check on their own server with our self-test command.not run · our policy
4Secret leak
canary-leakPlants a fake secret and checks whether it leaks.This check needs at least one successful tool call to have something to check, and no tool was called.not run · nothing to check it against
5Internal addresses
ssrfChecks whether a tool can be steered to internal addresses.This check calls the server's tools. ProtocolProbe calls no server's tools for anything it publishes; an operator can run this check on their own server with our self-test command.not run · our policy
6Unconfirmed changes
write-without-confirmationChecks whether tools that change data act without asking.This check calls the server's tools. ProtocolProbe calls no server's tools for anything it publishes; an operator can run this check on their own server with our self-test command.not run · our policy
7Bad input
error-handlingSends bad input and watches how the server answers.This check calls the server's tools. ProtocolProbe calls no server's tools for anything it publishes; an operator can run this check on their own server with our self-test command.not run · our policy
8Model requests
samplingChecks whether the server asks the client's model to act for it.This check needs at least one successful tool call to have something to check, and no tool was called.not run · nothing to check it against
9Sensitive questions
elicitation-sensitive-dataChecks whether the server asks users for sensitive data.This check needs at least one successful tool call to have something to check, and no tool was called.not run · nothing to check it against
10Folder boundary
root-boundaryChecks whether the server reaches outside the folders it was given.This check calls the server's tools. ProtocolProbe calls no server's tools for anything it publishes; an operator can run this check on their own server with our self-test command.not run · our policy
11Log leaks
logging-side-channelChecks whether log messages carry data they should not.This check needs at least one successful tool call to have something to check, and no tool was called.not run · nothing to check it against
12Hidden content
audience-hidingChecks resources that hide content from the user.This check needs content the server returns, and nothing was read or called.not run · nothing to check it against
16Sign-in redirect
open-redirectChecks the sign-in redirect for abuse.Testing the sign-in redirect means sending probes to the operator's sign-in service, which we do not do.not run · our policy
17Consent handling
confused-deputyChecks consent handling when one service acts for another.Depends on the operator's own consent screen, which differs per server and cannot be tested from outside.not testable from outside

Does not apply to this server · 3

13Fake assistant turns
fake-assistant-turnChecks prompts that pose as the assistant's own words.The server exposes no prompts.not applicable
14Token passthrough
token-passthroughChecks whether the server forwards a user's token to other services.The server opened a session without sign-in, so there is no token flow to check.not applicable
15Token audience
token-audience-validationChecks whether tokens meant for another service are accepted.The server opened a session without sign-in, so there is no token flow to check.not applicable

Source: our own test, 2026-10-30, mcp-runtime-engine@0.1.0. Which checks count and why follows our published scoring model.

What happened during the test?

Feature #8

The steps in order, as the test record holds them.

0 msStarted a read-only session with the server's remote endpoint
993 msConnected after 0 redirects. No credential was sent or needed.
Read the inventory: 100 tools, 0 resources, 0 prompts.
5,499 msFinished: 3 checks exercised.

Reference

How is it classified?

18 fields

One value per field, each with its source. Fields written by AI models are marked. A field with no value says why.

TopicAI-classified

pending: added in a later update

listed 2026-10-30; not classified yet

Pricing modelAI-classified

pending: added in a later update

the website is not read yet

Programming language

does not apply

no existing GitHub repository (server declares no repository link, so there is nothing to fetch)

Hosting type

remote (hosted by the publisher)

registry · 2026-10-30

MCP capability

tools

our test · 2026-10-30

Transport

streamable HTTP

registry · 2026-10-30

Required credentials

none declared

registry · 2026-10-30 · no declaration is not a guarantee

Package registry

does not apply

remote-only server: no package is shipped, so there is no package registry

Freshness

0–30 days

registry updatedAt · 2026-10-30

Lifecycle status

active

registry · 2026-10-30

License class

does not apply

remote-only server: ships no package, so there is nothing to look up in a package registry

Integrity hash

does not apply

remote-only server: ships no package, so there is nothing to look up in a package registry

Signature / provenance

does not apply

remote-only server: ships no package, so there is nothing to look up in a package registry

Dependency advisories

does not apply

ships no package, so there are no dependencies to audit

Popularity

does not apply

remote-only server: ships no package, so there is nothing to look up in a package registry

Publisher signals

not stated

no readable GitHub owner to describe

Maintenance

does not apply

server declares no repository link, so there is nothing to fetch

Environment

the publisher's infrastructure

where it runs, from the hosting type · 2026-10-30

“Not stated” means the source did not state it; “does not apply” means it does not apply to this kind of server; “our limit” means our own lookup failed. A linked value opens the directory filtered to the same value.

Cite or correct this page

Sources and corrections

Suggested citation

ProtocolProbe. “ai.syntropi/o-plus-plus: MCP server record.” Data checked 2026-10-30. https://protocolprobe.com/mcp/servers/ai.syntropi/o-plus-plus

Figures are valid for the date shown. Our facts on this page are CC BY 4.0: reuse them with a link and the check date. Quoted text (the publisher’s descriptions, website quotes, tool names) is not ours to license.

As JSON: this record in the API · API documentation.

Badge for your README

[![ProtocolProbe](https://protocolprobe.com/api/v1/badge/ai.syntropi/o-plus-plus)](https://protocolprobe.com/mcp/servers/ai.syntropi/o-plus-plus)

It shows this server's record-check count: facts from public records, no tool called. It is not a security rating or a pass. It links here and updates after each data reload.

Something wrong, or is this yours?

If a fact here is wrong, tell us and we will re-check it. If you operate this server, you can run our checks on it yourself with the free self-test command; we call no server’s tools ourselves for anything shown here.

Write to hello@protocolprobe.com · corrections log · methodology