{"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":"2026-09-19T20:03:11.637Z","server":{"name":"com.backpow/pow-mining-oracle","title":"BackPow PoW Oracle","description":"Proof of Work oracle: solo mining odds, cost of production, hashrate, mining hardware","version":"1.0.1","remote_url":"https://mcp.backpow.com/mcp","repo_url":"https://github.com/BackpowCom/backpow-mcp-server"},"operational_grade":{"grade":"A","score":100,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":86,"tool_count":6,"probed_at":"2026-09-18T17:46:07.752Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 86ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo backpow-mcp@1.0.0"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 6 tools e.g. \"calculate_solo_mining_odds\"; 6/6 described, 6/6 fully-typed schemas, median description 709 chars"},{"criterion":"latency","points":10,"max":10,"evidence":"initialize round-trip 86ms"},{"criterion":"provenance","points":15,"max":15,"evidence":"description present; repository linked; version 1.0.1; namespace com.backpow 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: Returns CoP in USD, spot, gross margin, whether miners are currently above or below water, the reference machine and tariff behind the figure, and a 30-day trend including whether the reference machine changed (which indicates the efficiency frontier moved) | ind which networks exist for an algorithm, to browse the catalogue, or to resolve an ambiguous coin reference. No response-level citation benchmark has verified this claim yet.","source_type":"live_probe","sample_size":null,"observed_at":"2026-09-18T17:46:07.752Z","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":"2026-09-18T17:46:07.752Z","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."}