{"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":"2026-10-15T22:36:53.277Z","server":{"name":"com.tetheredtrust/tethered-trust","title":"Tethered Trust","description":"Compatibility checks for AI agents before they buy or install: verdicts, evidence, receipts.","version":"0.12.0","remote_url":"https://tetheredtrust.com/mcp","repo_url":null},"operational_grade":{"grade":"A","score":97,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":437,"tool_count":18,"probed_at":"2026-10-15T18:15:58.634Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 437ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo tethered-trust@0.16.0"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 18 tools e.g. \"how_it_works\"; 18/18 described, 18/18 fully-typed schemas, median description 302 chars"},{"criterion":"latency","points":10,"max":10,"evidence":"initialize round-trip 437ms"},{"criterion":"provenance","points":12,"max":15,"evidence":"description present; no repository URL; version 0.12.0; namespace com.tetheredtrust 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":"claim_verification","metric":"advertised_corpus_scale","status":"unverified","value_text":"50 products","evidence":"Advertised corpus-size expression(s) found in public metadata/tool descriptions: 50 products. Black-box discovery does not establish corpus coverage; a manifest or sampled benchmark is required.","source_type":"live_probe","sample_size":null,"observed_at":"2026-10-15T18:15:58.634Z","methodology_version":"trust-v1"},{"dimension":"citation_quality","metric":"citation_capability_advertised","status":"unverified","value_text":null,"evidence":"Metadata/tool descriptions advertise citation or evidence capability: Verified catalog (specs checked against cited manufacturer sources): computers & consoles (RAM, M | Verified catalog (specs checked against cited manufacturer sources): computers & consoles (RAM, M. No response-level citation benchmark has verified this claim yet.","source_type":"live_probe","sample_size":null,"observed_at":"2026-10-15T18:15:58.634Z","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":"2026-10-15T18:15:58.634Z","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."}