{"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":"2026-08-26T21:43:36.024Z","server":{"name":"ai.tensorfeed/mcp-server","title":"TensorFeed","description":"AI news, model pricing, service status, and machine-payable premium tools. AFTA-certified.","version":"2.0.1","remote_url":"https://mcp.tensorfeed.ai/mcp","repo_url":"https://github.com/RipperMercs/tensorfeed-mcp"},"operational_grade":{"grade":"A","score":100,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":169,"tool_count":27,"probed_at":"2026-08-26T00:30:35.052Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 169ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2024-11-05, serverInfo tensorfeed@1.37.0"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 27 tools e.g. \"get_news_articles\"; 27/27 described, 27/27 fully-typed schemas, median description 339 chars"},{"criterion":"latency","points":10,"max":10,"evidence":"initialize round-trip 169ms"},{"criterion":"provenance","points":15,"max":15,"evidence":"description present; repository linked; version 2.0.1; namespace ai.tensorfeed 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":"200 articles","evidence":"Advertised corpus-size expression(s) found in public metadata/tool descriptions: 200 articles. Black-box discovery does not establish corpus coverage; a manifest or sampled benchmark is required.","source_type":"live_probe","sample_size":null,"observed_at":"2026-08-26T00:30:35.052Z","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: trending is citation-ranked from Semantic Scholar across five fan-out queries, deduped, refreshed daily at 11:00 UTC. No response-level citation benchmark has verified this claim yet.","source_type":"live_probe","sample_size":null,"observed_at":"2026-08-26T00:30:35.052Z","methodology_version":"trust-v1"},{"dimension":"security","metric":"sensitive_capabilities_declared","status":"concern","value_text":"register_free_watch","evidence":"1 discovered tool(s) advertise potentially state-changing or privileged capabilities. Tool names: register_free_watch. Classification is description-based and does not prove exploitability.","source_type":"live_probe","sample_size":1,"observed_at":"2026-08-26T00:30:35.052Z","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":"2026-08-26T00:30:35.052Z","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."}