{"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":"2026-10-14T10:08:14.165Z","server":{"name":"pro.tradermatrix/free","title":"TraderMatrix Free Gapper Scanner","description":"Free, keyless pre-market and after-hours low-float gapper scanner from TraderMatrix.","version":"1.0.0","remote_url":"https://api.tradermatrix.pro/api/mcp/free","repo_url":null},"operational_grade":{"grade":"A","score":97,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":164,"tool_count":1,"probed_at":"2026-10-13T03:15:50.666Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 164ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo traderdaddy-pro-free@1.0.0"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 1 tools e.g. \"get_premarket_gappers\"; 1/1 described, 1/1 fully-typed schemas, median description 1266 chars"},{"criterion":"latency","points":10,"max":10,"evidence":"initialize round-trip 164ms"},{"criterion":"provenance","points":12,"max":15,"evidence":"description present; no repository URL; version 1.0.0; namespace pro.tradermatrix 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: rs during 16:00-20:00 ET — and returns\nthe top 10 on the default filters (up >=10% vs the session's\nreference close, price $1-$100, float <=100M shares, extended-hours volume >=50k) | Each gapper: symbol, name, sector, last (extended-hours price), changePct (TRUE\ngap vs the reference close), atr, rvo. No response-level citation benchmark has verified this claim yet.","source_type":"live_probe","sample_size":null,"observed_at":"2026-10-13T03:15:50.666Z","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":"2026-10-13T03:15:50.666Z","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."}