{"attribution":"MCP Queen — the evidence layer for MCP (https://mcpqueen.com)","license":"CC BY 4.0 — free to use with attribution and a link to mcpqueen.com","methodology":"https://mcpqueen.com/registry#methodology","docs":"https://mcpqueen.com/api","generated_at":"2026-10-19T19:44:27.125Z","server":{"name":"io.github.Nutshell2000/agent-data-tools-chain","title":"Agent Data Tools: Chain data","description":"64 tools: balances, blocks, gas, txs and logs on 5 EVM chains, plus Bitcoin. 25 free calls.","version":"1.32.0","remote_url":"https://agent-data-tools.revmesh2074.workers.dev/mcp/chain","repo_url":"https://github.com/Nutshell2000/agent-data-tools"},"operational_grade":{"grade":"A","score":97,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":952,"tool_count":64,"probed_at":"2026-10-19T14:31:39.004Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 952ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo agent-data-tools@1.32.0"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 64 tools e.g. \"wallet\"; 64/64 described, 64/64 fully-typed schemas, median description 536 chars"},{"criterion":"latency","points":7,"max":10,"evidence":"initialize round-trip 952ms"},{"criterion":"provenance","points":15,"max":15,"evidence":"description present; repository linked; version 1.32.0; namespace io.github.Nutshell2000 matches endpoint/repo"}],"protocol_access":"open"},"field_semantics":{"auth_state":"Deprecated name retained for compatibility. It means protocol handshake/discovery access only, not tool-level data entitlement.","protocol_access":"Preferred name for auth_state."},"audit_state":"observations_published","observations":[{"dimension":"citation_quality","metric":"citation_capability_advertised","status":"unverified","value_text":null,"evidence":"Metadata/tool descriptions advertise citation or evidence capability: network Reference facts for paying and reading on Base mainnet: chain id, native USDC contract and decimals, block explorer and public RPC URLs, and the x402 network identifier. No response-level citation benchmark has verified this claim yet.","source_type":"live_probe","sample_size":null,"observed_at":"2026-10-19T14:31:39.004Z","methodology_version":"trust-v1"},{"dimension":"security","metric":"authentication_boundary","status":"observed","value_text":"open","evidence":"Live protocol probe observed auth_state=open. This describes discovery/access behavior; it is not by itself a vulnerability finding.","source_type":"live_probe","sample_size":null,"observed_at":"2026-10-19T14:31:39.004Z","methodology_version":"trust-v1"}],"response_benchmarks":[],"reviewed_field_reports":[],"interpretation":"Dimensions are independent; missing evidence is not a pass; field reports are qualitative, moderated and never votes."}