{"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":"2026-10-06T19:59:33.971Z","server":{"name":"ai.mysiren/siren","title":"Siren","description":"Deterministic visual marketing engine. Your agent plans, renders, and posts on-brand campaigns.","version":"1.1.0","remote_url":"https://mcp.mysiren.ai/mcp","repo_url":"https://github.com/Hexahedral-Inc/siren-mcp"},"operational_grade":{"grade":"A","score":100,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":52,"tool_count":39,"probed_at":"2026-10-06T19:46:07.910Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 52ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo siren@1.1.0"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 39 tools e.g. \"get_account\"; 39/39 described, 39/39 fully-typed schemas, median description 194 chars"},{"criterion":"latency","points":10,"max":10,"evidence":"initialize round-trip 52ms"},{"criterion":"provenance","points":15,"max":15,"evidence":"description present; repository linked; version 1.1.0; namespace ai.mysiren 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: scribe_film The full contract for one film: what it is and when to hire it, its\nbody JSON Schema, a reference body, the seed envelope, media slots\n(which fields take image/video URLs), the brand prefills (colours,\nlogo, screens) and the override rules | create_mascot Start the brand mascot: from a description (note, kind) or from a\nreference picture. No response-level citation benchmark has verified this claim yet.","source_type":"live_probe","sample_size":null,"observed_at":"2026-10-06T19:46:07.910Z","methodology_version":"trust-v1"},{"dimension":"security","metric":"sensitive_capabilities_declared","status":"concern","value_text":"get_run, edit_asset, delete_product_screen, delete_media","evidence":"4 discovered tool(s) advertise potentially state-changing or privileged capabilities. Tool names: get_run, edit_asset, delete_product_screen, delete_media. Classification is description-based and does not prove exploitability.","source_type":"live_probe","sample_size":4,"observed_at":"2026-10-06T19:46:07.910Z","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":"2026-10-06T19:46:07.910Z","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."}