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LEGION Verify: MCP tool-list history

by legion-api.com in Security & trust

MCP serverPassing, checked 4 h ago

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

https://mcp.legion-api.com/mcp
Tools
5
open to any client
Uptime
100%
last 30 days
Response time
346 ms
812 ms slowest 5%
Last check
Passed
4 h ago, next in 2 h

Scan it nowHow to connect

Reliability

All checks passedSome failedAll failedNot checked

Status and outage history · Atom feed · Watch with other listings

How to connect

Add it to any MCP client that supports remote servers.

{
  "mcpServers": {
    "legion-verify-mcp-tool-list-history": {
      "type": "http",
      "url": "https://mcp.legion-api.com/mcp"
    }
  }
}

5 tools

  • get_checkpoint

    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…

  • get_server_changes

    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_bundle

    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…

  • verify_mcp_server

    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…

  • check_mcp_server

    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…

Security scan

No findings

We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

Recent checks

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32 h agoPassed200346 ms
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Show 6 older checks
2 days agoPassed200282 ms
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