{"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":"2026-10-26T22:38:11.010Z","server":{"name":"io.usefulapi/vtiger","title":"Vtiger MCP by usefulapi","description":"Search, read, create and update Vtiger CRM leads, contacts, deals, cases and more; tag records.","version":"1.0.0","remote_url":"https://vtiger.usefulapi.io/mcp","repo_url":"https://github.com/m190/usefulapi-mcp"},"operational_grade":{"grade":"A","score":100,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":19,"tool_count":13,"probed_at":"2026-10-26T17:48:24.467Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 19ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo vtiger-mcp@1.0.0"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 13 tools e.g. \"vtiger_get_me\"; 13/13 described, 13/13 fully-typed schemas, median description 147 chars"},{"criterion":"latency","points":10,"max":10,"evidence":"initialize round-trip 19ms"},{"criterion":"provenance","points":15,"max":15,"evidence":"description present; repository linked; version 1.0.0; namespace io.usefulapi 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":"100 records, 100 records","evidence":"Advertised corpus-size expression(s) found in public metadata/tool descriptions: 100 records, 100 records. Black-box discovery does not establish corpus coverage; a manifest or sampled benchmark is required.","source_type":"live_probe","sample_size":null,"observed_at":"2026-10-26T17:48:24.467Z","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: vtiger_describe_module A module's fields (name, label, type, mandatory, editable, reference targets, picklist values) and whether it can be created, updated or deleted. No response-level citation benchmark has verified this claim yet.","source_type":"live_probe","sample_size":null,"observed_at":"2026-10-26T17:48:24.467Z","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":"2026-10-26T17:48:24.467Z","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."}