{"id":"janix-ai-mcp-validator","name":"mcp-validator","homepage":null,"repo_url":"https://github.com/Janix-ai/mcp-validator","category":"testing","subcategories":[],"tags":["mcp","validation","testing","compliance","oauth","oauth2.1","http","stdio","python"],"what_it_does":"mcp-validator is a Python testing suite (with reference HTTP/STDIO MCP servers) for validating Model Context Protocol (MCP) server implementations against the MCP specification, including protocol version negotiation and compliance testing for HTTP and STDIO transports. It also includes a framework for testing OAuth 2.1-based authentication for the 2025-06-18 protocol version.","use_cases":["Run compliance tests to verify an MCP server correctly implements required MCP behaviors","Validate HTTP-based MCP servers (initialization, tools, errors, batching restrictions, session/protocol negotiation)","Validate STDIO-based MCP servers including tool discovery and error handling behaviors","Test and verify OAuth 2.1 authentication and related HTTP security headers for MCP servers","Generate detailed compliance reports for regression testing across MCP protocol versions"],"not_for":["Production deployment as an MCP server for end users (it is primarily a validator/testing framework)","Replacing an MCP server’s own implementation of OAuth/security logic (it tests/validates, it does not substitute for server auth correctness)","Providing a stable hosted API/SaaS interface (this is a local test framework)"],"best_when":"You have an MCP server implementation (HTTP or STDIO) and want automated, repeatable protocol compliance/regression testing across multiple MCP protocol versions.","avoid_when":"You need a turnkey managed service with a hosted endpoint, SDK, or OpenAPI/hosted API rather than a local test runner.","alternatives":["Other MCP conformance test suites (if available for your target transport/protocol version)","Manual protocol conformance testing using the MCP specification and example clients/servers","Minimal protocol test harnesses tailored to your MCP server’s transport (HTTP/STDIO) and supported versions"],"af_score":50.8,"security_score":66.5,"reliability_score":35.0,"package_type":"mcp_server","discovery_source":["github"],"priority":"high","status":"evaluated","version_evaluated":null,"last_evaluated":"2026-03-30T13:51:21.392508+00:00","interface":{"has_rest_api":false,"has_graphql":false,"has_grpc":false,"has_mcp_server":false,"mcp_server_url":null,"has_sdk":false,"sdk_languages":["python"],"openapi_spec_url":null,"webhooks":false},"auth":{"methods":["OAuth 2.1 Bearer tokens via Authorization header (for HTTP test/reference server usage)","Environment-variable configuration for test/reference HTTP server"],"oauth":true,"scopes":true,"notes":"Authentication is described for the reference HTTP server and HTTP compliance tests via environment variables (e.g., MCP_OAUTH_REQUIRED_SCOPES). This is not an auth interface for a hosted service; it is part of the validation environment."},"pricing":{"model":null,"free_tier_exists":false,"free_tier_limits":null,"paid_tiers":[],"requires_credit_card":false,"estimated_workload_costs":null,"notes":"No pricing information provided; repository appears to be a local open-source testing suite."},"requirements":{"requires_signup":false,"requires_credit_card":false,"domain_verification":false,"data_residency":[],"compliance":["OAuth 2.1 / RFC 6749 / RFC 6750 (as claimed in README; treated as documentation claims, not verified facts)"],"min_contract":null},"agent_readiness":{"af_score":50.8,"security_score":66.5,"reliability_score":35.0,"mcp_server_quality":65.0,"documentation_accuracy":55.0,"error_message_quality":0.0,"error_message_notes":null,"auth_complexity":55.0,"rate_limit_clarity":35.0,"tls_enforcement":75.0,"auth_strength":70.0,"scope_granularity":80.0,"dependency_hygiene":40.0,"secret_handling":60.0,"security_notes":"README describes security-related behaviors for the reference HTTP server/testing environment (e.g., TLS requirement for production with OAuth, WWW-Authenticate headers, CORS/origin validation, DNS rebinding prevention, and optional rate limiting). However, dependency hygiene, secret-handling practices, and exact error-code structure are not verifiable from the provided README alone.","uptime_documented":0.0,"version_stability":55.0,"breaking_changes_history":40.0,"error_recovery":45.0,"idempotency_support":"false","idempotency_notes":null,"pagination_style":"none","retry_guidance_documented":false,"known_agent_gotchas":["Test execution is command/script driven; an agent may need to orchestrate starting/stopping the reference server during tests.","OAuth-related tests likely require a reachable introspection endpoint or appropriate stubbing; missing external auth dependencies may cause failures unrelated to MCP compliance."]}}