MCP server

LEGION Verify: MCP tool-list history

io.github.Legion33shadow/legion-verify

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Check if an MCP server changed its tools: signed history, per-server coverage, offline proofs.

Website Source

At a glance

Type

MCP server

Publisher

Not verified

Status

Working at last check

Tools

5

Token cost

About 1,001 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http legion-verify https://mcp.legion-api.com/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.legion-verify]
url = "https://mcp.legion-api.com/mcp"

Gemini CLI

{"mcpServers":{"legion-verify":{"httpUrl":"https://mcp.legion-api.com/mcp"}}}

Cursor

{"mcpServers":{"legion-verify":{"url":"https://mcp.legion-api.com/mcp"}}}

VS Code

{"servers":{"legion-verify":{"type":"http","url":"https://mcp.legion-api.com/mcp"}}}

Antigravity

agy mcp add legion-verify https://mcp.legion-api.com/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"legion-verify","server_url":"https://mcp.legion-api.com/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"legion-verify","server_url":"https://mcp.legion-api.com/mcp"}

Tools

• check_mcp_server ~209 tokens
  One-call summary for an MCP server registry id (e.g. "ai.alphaquantlabs/propertycheck"): tool-list fingerprint history observed by LEGION, last change, per-server coverage from the signed COVERAGE_V1 register (COMPLETE only if observed in every register cycle, UNKNOWN if partial), proof refe
• get_checkpoint ~126 tokens
  Latest signed tree head of the LEGION MCP transparency log. The signature is checked against the keyring, anchored on the pinned root key fingerprint. Read-only. Returns tree_size, root_sha256, timestamp, signer and signature_valid. For a trustless check, verify it yourself (see `how_to_veri
• get_server_changes ~193 tokens
  Signed tool-list history of one MCP server as observed by LEGION (registry id, e.g. "xyz.signomy/civitae"), newest first, at most `limit` (1-50) changes, plus an evidence bundle for the latest record (record + RFC 9162 inclusion proof + signed tree head + keyring) that `verify_evidence_bundl
• verify_evidence_bundle ~213 tokens
  Verify an evidence bundle OFFLINE (no network call): keyring chain from the pinned root fingerprint, record signature and integrity, signed tree head, RFC 9162 inclusion proof. If `approved_tools_sha256` is given, also reports whether the signed tool list still matches the version you approv
• verify_mcp_server ~260 tokens
  Check an MCP server URL against LEGION's signed transparency log. Read-only. For each registry server at this URL: latest signed tool definition (leaf index, date, tools_sha256), number of tool changes (total and 30 days), date of the last change, RFC 9162 inclusion proof + signed tree head

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