MCP servers › io.github.kadirzarex › vitro

MCP server · registry snapshot 2026-11-01 · last tested 2026-11-01

io.github.kadirzarex/vitro

Deprecated in the registry. The publisher's message: “Withdrawn by the owner”

by kadirzarex · GitHub account (the registry's namespace rule)Website ↗

Read Vitro markets on Robinhood Chain and prepare unsigned transactions. Unaudited, capped launch. — the publisher's description

0 of 2 record checks metRead-only · tools listed 2026-11-01version 1.0.0streamable HTTP30 tools

Summary

io.github.kadirzarex/vitro is a remote MCP server listed in the official MCP registry at version 1.0.0 (marked deprecated there), under the namespace of the GitHub account kadirzarex. On 2026-11-01 ProtocolProbe connected to it in read-only mode and read its inventory: 30 tools, 0 resources and 0 prompts.

Record checks

0 of 2 record checks met · 7 do not apply

not 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not applicable: The version the registry lists can be installed and is not withdrawn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: deprecated in the registry
Not ranked by stars: deprecated in the registry

From public records, not a safety rating. Each check with its reason · Is it safe to install?

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: 30
Last tested: 2026-11-01

Tool list size

11,125 tokens on Claude Opus 5.5

Added to every request that loads this server's tools (30 tools). Counted with Anthropic's token counter on 2026-11-01, from the tool list we read on 2026-11-01. Median across 25,738 counted servers: 2,858 tokens. How it is counted

How a client gets in

Connects without signing in

Read from the server's public metadata on 2026-11-01 (vitro-agent.fly.dev), 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 (1.0.0).

Add to your client

Worth knowing before you connect it

The registry marks this server deprecated.

Each line comes from a section below, with its source and date.

How fresh this is

Live-tested: yes, a real session (not a text-only review)
Last tested: 2026-11-01
Mode: read-only (no tool calls)
Latest version: 1.0.0, published 2026-11-01 (registry, as of the 2026-11-01 snapshot)
First listed version: 2026-11-01 (earliest version still in the registry; older removed versions would be earlier)
Registry data: snapshot 2026-11-01
Package and repository: checked 2026-11-01
Engine: mcp-runtime-engine@0.1.0 · sdk@1.32.0

Dead or stale signals

1 found in the records we hold

The registry marks this entry deprecated. — MCP registry · 2026-11-01 · all servers with this fact

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 2026-10-31, listed on 2026-11-01 with version 1.0.0 (published 2026-11-01).

Source: the official MCP Registry list on 2026-10-31 and on 2026-11-01.

What it is

What does this server offer?

Observed inventory

30tools

0resources

0prompts

None of its 30 tools are described as changing anything. For 30 the reading was uncertain, so no mark is shown.

list_marketson 54 other servers
“All Vitro markets with status, expiry, caps, totals and price (from the Proof API).”
Publisher declares: read-only yes · destructive no · idempotent yes · open-world yes
1 input
- statusstring
get_marketon 41 other servers
“One market in detail (Proof API) plus a live price and phase check from the chain.”
Publisher declares: read-only yes · destructive no · idempotent yes · open-world yes
1 input, 1 required
- marketstringrequired“Market address (0x...) or symbol, e.g.”
list_serieson 23 other servers
“Current and past series with settlement round, price and who settled.”
Publisher declares: read-only yes · destructive no · idempotent yes · open-world yes
2 inputs
- statestring
- assetstring“Ticker, e.g.”
get_series_settlement
“How a series settled (round id, price, path, caller), or which settlement window applies now and when the next opens.”
Publisher declares: read-only yes · destructive no · idempotent yes · open-world yes
1 input, 1 required
- marketstringrequired“Market address (0x...) or symbol, e.g.”
get_positionon 4 other servers
“A wallet's position: indexed history from Proof plus live collateral, debt, residual, claimable and synth balance from the chain.”
Publisher declares: read-only yes · destructive no · idempotent yes · open-world yes
2 inputs, 1 required
- ownerstringrequired“The user's wallet address (0x...).”
- marketstring“Market address (0x...) or symbol, e.g.”
get_eventson 43 other servers
“Indexed events (mints, repays, withdrawals, liquidations, settlements, redemptions, ...), filterable and paginated.”
Publisher declares: read-only yes · destructive no · idempotent yes · open-world yes
8 inputs
- typestring“Comma-separated: mint, deposit, repay, withdrawal, fee, liquidation, settlement, closeout, redemption, residual, transfer, admin”
- marketstring“Market address (0x...) or symbol, e.g.”
- accountstring
- fromBlockinteger
- toBlockinteger
- limitinteger
- cursorstring
- orderstring
get_statson 134 other servers
“TVL, fees to the treasury, liquidations and per-market use of caps.”
Publisher declares: read-only yes · destructive no · idempotent yes · open-world yes
Takes no inputs.
get_healthon 35 other servers
“Proof indexer progress and lag versus the chain head.”
Publisher declares: read-only yes · destructive no · idempotent yes · open-world yes
Takes no inputs.
quote_position
“Fee, collateral ratio, liquidation price and headroom for depositing collateral and minting, with the contracts' exact math at the current oracle price.”
Publisher declares: read-only yes · destructive no · idempotent yes · open-world yes
5 inputs, 2 required
- marketstringrequired“Market address (0x...) or symbol, e.g.”
- collateralstringrequired“Collateral to add, in USDG as a decimal string, e.g.”
- mintTokensstring“Synth to mint, in synth tokens as a decimal string, e.g.”
- mintValueUsdgstring“Exposure to mint, converted to tokens at the current price, in USDG as a decimal string, e.g.”
- ownerstring“Optional: include this wallet's existing position”
explain_risk
“Plain-language risk for a position: distance to liquidation, weekend gaps, expiry, settlement rules, USDG pause and freeze risk.”
Publisher declares: read-only yes · destructive no · idempotent yes · open-world yes
4 inputs, 1 required
- marketstringrequired“Market address (0x...) or symbol, e.g.”
- ownerstring“The user's wallet address (0x...).”
- collateralstring“Hypothetical collateral, in USDG as a decimal string, e.g.”
- debtTokensstring“Hypothetical debt, in synth tokens as a decimal string, e.g.”
prepare_create_position
“Open or add to a position: USDG approval (if needed) and create(collateral, tokens).”
Publisher declares: read-only yes · destructive no · idempotent yes · open-world yes
4 inputs, 4 required
- ownerstringrequired“The user's wallet address (0x...).”
- marketstringrequired“Market address (0x...) or symbol, e.g.”
- collateralstringrequired“Collateral to deposit, in USDG as a decimal string, e.g.”
- mintTokensstringrequired“Synth to mint ("0" for collateral only), in synth tokens as a decimal string, e.g.”
prepare_depositon 2 other servers
“Add collateral to an existing position: approval (if needed) and deposit(amount).”
Publisher declares: read-only yes · destructive no · idempotent yes · open-world yes
3 inputs, 3 required
- ownerstringrequired“The user's wallet address (0x...).”
- marketstringrequired“Market address (0x...) or symbol, e.g.”
- amountstringrequired“Collateral to add, in USDG as a decimal string, e.g.”

Show 18 more tools

prepare_repay
“Burn synth from the wallet to reduce debt: repay(tokens).”
Publisher declares: read-only yes · destructive no · idempotent yes · open-world yes
3 inputs, 3 required
- ownerstringrequired“The user's wallet address (0x...).”
- marketstringrequired“Market address (0x...) or symbol, e.g.”
- tokensstringrequired“Synth to repay as a decimal string, or "all"”
prepare_withdrawon 1 other server
“Withdraw collateral: withdraw(amount).”
Publisher declares: read-only yes · destructive no · idempotent yes · open-world yes
3 inputs, 3 required
- ownerstringrequired“The user's wallet address (0x...).”
- marketstringrequired“Market address (0x...) or symbol, e.g.”
- amountstringrequired“USDG to withdraw as a decimal string, or "max"”
prepare_close_and_redeem
“After settlement: withdrawResidual (closes the sponsor position and pays the residual), redeem the wallet's synth if redemption is open, or claim a top-up.”
Publisher declares: read-only yes · destructive no · idempotent yes · open-world yes
2 inputs, 2 required
- ownerstringrequired“The user's wallet address (0x...).”
- marketstringrequired“Market address (0x...) or symbol, e.g.”
prepare_settle
“After expiry: finds the first Chainlink round at or after expiry, encodes the proof as abi.encode(uint80 roundId) and picks the path that applies now: settle(proof) if that round landed within expiry…”
Publisher declares: read-only yes · destructive no · idempotent yes · open-world yes
2 inputs, 1 required
- marketstringrequired“Market address (0x...) or symbol, e.g.”
- fromstring“Optional: the address that will send it, used as the simulated sender.”
prepare_mandate_create
“Create a mandate account: a smart account that is itself a sponsor, so limits can bind a session key.”
Publisher declares: read-only yes · destructive no · idempotent yes · open-world yes
2 inputs, 1 required
- ownerstringrequired“The user's wallet address (0x...).”
- saltstring“Optional: a whole number or 32 bytes of hex, to create more than one account”
prepare_mandate_set_limits
“Set an account's limits and, optionally, the markets it may use with a cap for each.”
Publisher declares: read-only yes · destructive no · idempotent yes · open-world yes
7 inputs, 6 required
- accountstringrequired“Mandate account address (0x...)”
- totalCollateralCapstringrequired“Total collateral across all markets, in USDG as a decimal string, e.g.”
- maxActionSizestringrequired“Largest single action.”
- approvalThresholdstringrequired“Above this, the owner must approve the exact action, in USDG as a decimal string, e.g.”
- minCollateralRatioPctstringrequired“Minimum ratio after a risk-increasing action, as a percentage, e.g.”
- mintBudgetstringrequired“Total value one session may mint over its life, in USDG as a decimal string, e.g.”
- marketCapsarray
prepare_mandate_grant_session
“Let a session key act for the account, inside its limits, on the listed markets until it expires.”
Publisher declares: read-only yes · destructive no · idempotent yes · open-world yes
5 inputs, 4 required
- accountstringrequired“Mandate account address (0x...)”
- sessionKeystringrequired“The key to allow (0x...)”
- marketsarrayrequired“Markets the key may use.”
- validForSecondsintegerrequired“How long the session lasts, from now”
- actionsarray“Optional: narrow the actions.”
prepare_mandate_revoke_session
“Stop one session key, or all of them with all: true.”
Publisher declares: read-only yes · destructive no · idempotent yes · open-world yes
3 inputs, 1 required
- accountstringrequired“Mandate account address (0x...)”
- sessionKeystring“The key to stop (0x...)”
- allboolean“Stop every session key”
prepare_mandate_withdraw
“Send idle tokens from the account to its owner, the only address the contract can send them to.”
Publisher declares: read-only yes · destructive no · idempotent yes · open-world yes
3 inputs, 2 required
- accountstringrequired“Mandate account address (0x...)”
- amountstringrequired“Amount as a decimal string, or "all"”
- tokenstring“Optional: token address.”
prepare_mandate_create_position
“Open or add to the account's position: create(collateral, tokens) through the account, which sets its own allowance.”
Publisher declares: read-only yes · destructive no · idempotent yes · open-world yes
7 inputs, 5 required
- accountstringrequired“Mandate account address (0x...)”
- sessionKeystringrequired“The session key that will send it (0x...).”
- marketstringrequired“Market address (0x...) or symbol, e.g.”
- approvalobject“Only above the approval threshold: the nonce and deadline from typedData, plus the owner's signature”
- approvalTtlSecondsinteger“Optional: how long a new approval stays valid.”
- collateralstringrequired“Collateral to deposit, in USDG as a decimal string, e.g.”
- mintTokensstringrequired“Synth to mint ("0" for collateral only), in synth tokens as a decimal string, e.g.”
prepare_mandate_deposit
“Add collateral to the account's position.”
Publisher declares: read-only yes · destructive no · idempotent yes · open-world yes
6 inputs, 4 required
- accountstringrequired“Mandate account address (0x...)”
- sessionKeystringrequired“The session key that will send it (0x...).”
- marketstringrequired“Market address (0x...) or symbol, e.g.”
- approvalobject“Only above the approval threshold: the nonce and deadline from typedData, plus the owner's signature”
- approvalTtlSecondsinteger“Optional: how long a new approval stays valid.”
- amountstringrequired“Collateral to add, in USDG as a decimal string, e.g.”
prepare_mandate_repay
“Burn synth held by the account to reduce its debt.”
Publisher declares: read-only yes · destructive no · idempotent yes · open-world yes
6 inputs, 4 required
- accountstringrequired“Mandate account address (0x...)”
- sessionKeystringrequired“The session key that will send it (0x...).”
- marketstringrequired“Market address (0x...) or symbol, e.g.”
- approvalobject“Only above the approval threshold: the nonce and deadline from typedData, plus the owner's signature”
- approvalTtlSecondsinteger“Optional: how long a new approval stays valid.”
- tokensstringrequired“Synth to repay as a decimal string, or "all"”
prepare_mandate_withdraw_collateral
“Move collateral from the position back to the account, never to any other address.”
Publisher declares: read-only yes · destructive no · idempotent yes · open-world yes
6 inputs, 4 required
- accountstringrequired“Mandate account address (0x...)”
- sessionKeystringrequired“The session key that will send it (0x...).”
- marketstringrequired“Market address (0x...) or symbol, e.g.”
- approvalobject“Only above the approval threshold: the nonce and deadline from typedData, plus the owner's signature”
- approvalTtlSecondsinteger“Optional: how long a new approval stays valid.”
- amountstringrequired“USDG to withdraw as a decimal string, or "max"”
prepare_mandate_close_and_redeem
“After settlement: withdrawResidual, redeem and claim, paid to the account.”
Publisher declares: read-only yes · destructive no · idempotent yes · open-world yes
5 inputs, 3 required
- accountstringrequired“Mandate account address (0x...)”
- sessionKeystringrequired“The session key that will send it (0x...).”
- marketstringrequired“Market address (0x...) or symbol, e.g.”
- approvalobject“Only above the approval threshold: the nonce and deadline from typedData, plus the owner's signature”
- approvalTtlSecondsinteger“Optional: how long a new approval stays valid.”
prepare_mandate_settle
“After expiry: settle(proof) through the account, only while the first round landed inside the lag.”
Publisher declares: read-only yes · destructive no · idempotent yes · open-world yes
5 inputs, 3 required
- accountstringrequired“Mandate account address (0x...)”
- sessionKeystringrequired“The session key that will send it (0x...).”
- marketstringrequired“Market address (0x...) or symbol, e.g.”
- approvalobject“Only above the approval threshold: the nonce and deadline from typedData, plus the owner's signature”
- approvalTtlSecondsinteger“Optional: how long a new approval stays valid.”
prepare_mandate_owner_repay
“Burn synth held by the account to reduce its debt.”
Publisher declares: read-only yes · destructive no · idempotent yes · open-world yes
4 inputs, 4 required
- accountstringrequired“Mandate account address (0x...)”
- ownerstringrequired“The account's owner, who will send it (0x...).”
- marketstringrequired“Market address (0x...) or symbol, e.g.”
- tokensstringrequired“Synth to repay as a decimal string, or "all"”
prepare_mandate_owner_withdraw_collateral
“Move collateral from the position to the account.”
Publisher declares: read-only yes · destructive no · idempotent yes · open-world yes
4 inputs, 4 required
- accountstringrequired“Mandate account address (0x...)”
- ownerstringrequired“The account's owner, who will send it (0x...).”
- marketstringrequired“Market address (0x...) or symbol, e.g.”
- amountstringrequired“USDG to withdraw as a decimal string, or "max"”
prepare_mandate_owner_withdraw_residual
“After settlement: close the account's position and pay the residual to the account.”
Publisher declares: read-only yes · destructive no · idempotent yes · open-world yes
3 inputs, 3 required
- accountstringrequired“Mandate account address (0x...)”
- ownerstringrequired“The account's owner, who will send it (0x...).”
- marketstringrequired“Market address (0x...) or symbol, e.g.”

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 2026-11-01.

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: 92% of 107
Tools with a description: 100% of 30
Typical description length: 287 characters

The tool set

Counted from the listing

Tools: 30
Size of the list: about 8,377 tokens for an agent to load (characters ÷ 4)
Naming: 30 of 30 names use snake_case

AI reading: easy to mix up

No pair found.

The AI items cover 0 of 30 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. 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 2026-11-01 (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://vitro-agent.fly.dev/mcp

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

{
  "mcpServers": {
    "vitro": {
      "url": "https://vitro-agent.fly.dev/mcp"
    }
  }
}

VS Code · .vscode/mcp.json

{
  "servers": {
    "vitro": {
      "type": "http",
      "url": "https://vitro-agent.fly.dev/mcp"
    }
  }
}

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

code --add-mcp '{"name":"vitro","type":"http","url":"https://vitro-agent.fly.dev/mcp"}'

Claude Code

claude mcp add --transport http vitro https://vitro-agent.fly.dev/mcp

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

{
  "mcpServers": {
    "vitro": {
      "type": "streamableHttp",
      "url": "https://vitro-agent.fly.dev/mcp",
      "disabled": false,
      "autoApprove": []
    }
  }
}

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

{
  "mcpServers": {
    "vitro": {
      "httpUrl": "https://vitro-agent.fly.dev/mcp"
    }
  }
}

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

[mcp_servers.vitro]
url = "https://vitro-agent.fly.dev/mcp"

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

{
  "context_servers": {
    "vitro": {
      "url": "https://vitro-agent.fly.dev/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://vitro-agent.fly.dev/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 vitro-agent.fly.dev/mcp	Session opened	matches	our test · 2026-11-01
No credential declared as required	Opened a session without any credential	matches	our test · 2026-11-01

Choosing

Record checks

Public records · not a safety rating

0 of 2 record checks met · 7 do not apply

Not ranked by downloads: deprecated in the registry
Not ranked by stars: deprecated in the registry

Not metRegistry entry is active and says how to run itThe registry marks this entry as deprecated.What changes this check: This check reads the registry entry's status and whether it lists a package or a remote address. Marking an entry deprecated is the publisher's own choice. The registry's documentation says a published version's metadata cannot be changed; a new server.json with a unique version string is how an entry is updated. Versioning published MCP servers
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 2026-11-01. 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 io.github.kadirzarex/vitro

Answered from the data above

Who publishes io.github.kadirzarex/vitro?

The registry ties the namespace io.github.kadirzarex to the GitHub account kadirzarex; only its owner can publish under it. These are facts from the registry and GitHub, not a rating.

Is io.github.kadirzarex/vitro safe to install?

We do not rate servers as safe or unsafe. 0 of its 2 applicable record checks are met (facts from public records, each listed on this page). What the records show: Its registry entry is marked deprecated. These are facts with their sources on this page, not a safety guarantee, and we did not run its tools.

Does io.github.kadirzarex/vitro need an API key or sign-in?

It opened a session without any credential on 2026-11-01. The registry entry declares no required credential; no declaration is not a guarantee.

Has io.github.kadirzarex/vitro been security tested?

Partly. 2 of the 14 checks that apply to it were exercised. We connected and read what the server declares, but did not call its tools: ProtocolProbe calls no server's tools for anything it publishes. This is our choice, not a block by the server. 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

Not probed (we call no server's tools)

We connected and read what the server declares, but did not call its tools: ProtocolProbe calls no server's tools for anything it publishes. This is our choice, not a block by the server. No security score is given; a check we did not run is never counted as passed.

The 18 checks at a glanceour test · 2026-11-01

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: not applicable

2 exercised12 not run (reason given)4 not applicable

Each check ends in exactly one state: exercised, not run (with the reason), or not applicable (with the reason). 2 of the 14 checks that apply to it were exercised. We do not publish security-check outcomes for named servers.

Exercised · 2

1Inventory
tool-listReads the declared tools, resources and prompts.exercised
2Hidden instructions
description-poisoningLooks for hidden instructions in tool descriptions.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 · 4

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
18Sign-in metadata
oauth-url-schemeChecks the published sign-in metadata for unsafe URLs.No sign-in (OAuth) metadata is published, so there are no sign-in addresses to check.not applicable

Source: our own test, 2026-11-01, 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
659 msConnected after 0 redirects. No credential was sent or needed.
Read the inventory: 30 tools, 0 resources, 0 prompts.
3,502 msFinished: 2 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 the weekly update

listed 2026-11-01; not classified yet

Pricing modelAI-classified

pending: added in the weekly 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 · 2026-11-01

MCP capability

tools

our test · 2026-11-01

Transport

streamable HTTP

registry · 2026-11-01

Required credentials

none declared

registry · 2026-11-01 · 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 · 2026-11-01

Lifecycle status

deprecated

registry · 2026-11-01

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 · 2026-11-01

“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. “io.github.kadirzarex/vitro: MCP server record.” Data checked 2026-11-01. https://protocolprobe.com/mcp/servers/io.github.kadirzarex/vitro

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/io.github.kadirzarex/vitro)](https://protocolprobe.com/mcp/servers/io.github.kadirzarex/vitro)

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