{"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":"2026-09-09T16:52:05.988Z","server":{"name":"com.savingslast/calculators","title":"SavingsLast retirement calculators","description":"Retirement drawdown, 72(t) SEPP, RMD, Roth conversion, Social Security and state-tax calculators.","version":"1.0.0","remote_url":"https://savingslast.com/mcp","repo_url":"https://github.com/ejazmu/savingslast"},"operational_grade":{"grade":"A","score":97,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":1288,"tool_count":15,"probed_at":"2026-09-09T13:01:16.546Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 1288ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo savingslast@2026.09.09-a5220731"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 15 tools e.g. \"how_long_will_money_last\"; 15/15 described, 15/15 fully-typed schemas, median description 383 chars"},{"criterion":"latency","points":7,"max":10,"evidence":"initialize round-trip 1288ms"},{"criterion":"provenance","points":15,"max":15,"evidence":"description present; repository linked; version 1.0.0; namespace com.savingslast 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: com: the calculators, the guides, the Social Security pages, the state retirement-tax pages and the reference pages | Sections: Calculators; How long will a balance last; Reference; Retirement taxes by state; Social Security; Can I retire at an age; Guides. No response-level citation benchmark has verified this claim yet.","source_type":"live_probe","sample_size":null,"observed_at":"2026-09-09T13:01:16.546Z","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":"2026-09-09T13:01:16.546Z","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."}