{"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":"2026-08-20T15:33:12.905Z","server":{"name":"com.riddle/creator","title":"Riddle","description":"Build, publish and analyze quizzes, polls, forms and personality tests. Riddle account required.","version":"1.0.0","remote_url":"https://www.riddle.com/creator/api/v3/mcp","repo_url":null},"operational_grade":{"grade":"A","score":97,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":150,"tool_count":50,"probed_at":"2026-08-20T12:45:33.893Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 150ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo Riddle Creator MCP@1.0"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 50 tools e.g. \"riddleTemplate_create\"; 50/50 described, 50/50 fully-typed schemas, median description 567 chars"},{"criterion":"latency","points":10,"max":10,"evidence":"initialize round-trip 150ms"},{"criterion":"provenance","points":12,"max":15,"evidence":"description present; no repository URL; version 1.0.0; namespace com.riddle 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: set BEFORE moving anything and moves nothing at all if any Riddle is rejected, because Riddles that reference each other (a Quiz and the Leaderboard it reports to, a Form embedded in another Riddle) can only move together: not every Riddle riddle_move_check Checks, wit | Add items with questionBank_addItem, then reference the returned \"id\" as \"questionBankId\" on a QuestionBank block of a matching riddle_builder_quiz/riddle_builder_poll call - a bank created for \"Quiz\" can only b | Rejected with a QUESTION_BANK_INTERDEPENDENCY error if a Riddle in this bank's own project still references it, and DRAFTS COUNT: the reference tracking is refreshed on every write, whether that is a publish, a duplicate, a template-use, an edit in the Creator, or a. No response-level citation benchmark has verified this claim yet.","source_type":"live_probe","sample_size":null,"observed_at":"2026-08-20T12:45:33.893Z","methodology_version":"trust-v1"},{"dimension":"security","metric":"sensitive_capabilities_declared","status":"concern","value_text":"riddle_delete, questionBank_delete, questionBank_deleteItem","evidence":"3 discovered tool(s) advertise potentially state-changing or privileged capabilities. Tool names: riddle_delete, questionBank_delete, questionBank_deleteItem. Classification is description-based and does not prove exploitability.","source_type":"live_probe","sample_size":3,"observed_at":"2026-08-20T12:45:33.893Z","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":"2026-08-20T12:45:33.893Z","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."}