{"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":"2026-11-01T09:58:24.832Z","server":{"name":"io.usefulapi/e-courier","title":"e-Courier MCP by usefulapi","description":"Read delivery orders, quotes, customers, drivers, manifests, invoices and payment records.","version":"1.5.0","remote_url":"https://e-courier.usefulapi.io/mcp","repo_url":"https://github.com/m190/usefulapi-mcp"},"operational_grade":{"grade":"A","score":97,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":1455,"tool_count":17,"probed_at":"2026-11-01T05:15:58.995Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 1455ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo e-courier-mcp@1.5.0"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 17 tools e.g. \"ecourier_get_order\"; 17/17 described, 17/17 fully-typed schemas, median description 140 chars"},{"criterion":"latency","points":7,"max":10,"evidence":"initialize round-trip 1455ms"},{"criterion":"provenance","points":15,"max":15,"evidence":"description present; repository linked; version 1.5.0; 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":"citation_quality","metric":"citation_capability_advertised","status":"unverified","value_text":null,"evidence":"Metadata/tool descriptions advertise citation or evidence capability: Give exactly one of order_number, order_id, auth (the customer's authorization code) or reference (a piece reference; add customer_code to narrow it). No response-level citation benchmark has verified this claim yet.","source_type":"live_probe","sample_size":null,"observed_at":"2026-11-01T05:15:58.995Z","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":"2026-11-01T05:15:58.995Z","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."}