{"passport":{"unfragile":{"@version":"1.0","version":"2026-05","artifact":{"id":"awesome-openapi-schema-explorer","slug":"openapi-schema-explorer","name":"OpenAPI Schema Explorer","type":"mcp","url":"https://github.com/kadykov/mcp-openapi-schema-explorer","page_url":"https://unfragile.ai/openapi-schema-explorer","categories":["mcp-servers"],"tags":[],"pricing":{"model":"open_source","free":true,"starting_price":null},"status":"active","verified":false},"capabilities":[{"id":"awesome-openapi-schema-explorer__cap_0","uri":"capability://tool.use.integration.openapi.schema.resource.exposure.via.mcp.protocol","name":"openapi schema resource exposure via mcp protocol","description":"Exposes OpenAPI/Swagger specifications as MCP Resources, allowing Claude and other MCP clients to access API documentation through a standardized resource interface rather than requiring direct HTTP calls or file system access. Implements the MCP resource protocol to serve schema metadata with URI-based addressing, enabling clients to request specific endpoints or full specifications through a unified resource abstraction layer.","intents":["I want Claude to understand my API's structure without embedding the full spec in every prompt","I need to provide API documentation to an MCP client in a token-efficient way","I want to expose multiple OpenAPI specs through a single MCP server instance"],"best_for":["AI engineers building Claude-powered API integration agents","Teams deploying MCP servers to expose internal API documentation","Developers reducing token overhead by serving schemas as resources instead of context"],"limitations":["Requires OpenAPI/Swagger spec to be valid and accessible at initialization","No built-in caching of remote specs — each server restart re-fetches if using remote URLs","MCP resource protocol limits real-time schema updates without server restart","No authentication layer for accessing exposed schemas — relies on MCP transport security"],"requires":["MCP client compatible with resource protocol (Claude, or custom MCP client)","Valid OpenAPI 3.0+ or Swagger 2.0 specification","Python 3.8+ (if running reference implementation)","Network access to OpenAPI spec source (local file or remote URL)"],"input_types":["OpenAPI/Swagger JSON or YAML specification","File path or HTTP URL to spec location"],"output_types":["MCP Resource objects with schema metadata","Structured OpenAPI component definitions","Endpoint operation details (parameters, request/response schemas)"],"categories":["tool-use-integration","memory-knowledge"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"awesome-openapi-schema-explorer__cap_1","uri":"capability://memory.knowledge.token.efficient.schema.querying.with.partial.resource.loading","name":"token-efficient schema querying with partial resource loading","description":"Implements selective loading of OpenAPI schema components through MCP's resource interface, allowing clients to request only specific endpoints, parameters, or response schemas rather than loading entire specifications. Uses URI-based resource addressing to map client requests to discrete schema fragments, reducing token overhead when working with large API specifications.","intents":["I want to query just the authentication endpoints from a large API spec without loading everything","I need to fetch only the request/response schemas for a specific endpoint to minimize token usage","I want to explore an API incrementally, loading details only for endpoints I'm currently working with"],"best_for":["Developers working with large, complex OpenAPI specs (100+ endpoints)","Token-constrained scenarios where full spec embedding is prohibitive","Interactive API exploration workflows where incremental loading is beneficial"],"limitations":["Partial loading requires client to understand resource URI structure — no automatic discovery of available fragments","No built-in schema validation of fragments — clients must handle malformed partial schemas","Dependency resolution between schema components not automatic (e.g., $ref resolution may require multiple requests)","Performance depends on OpenAPI spec parsing efficiency — very large specs may have latency on first load"],"requires":["MCP client capable of making multiple resource requests","Knowledge of OpenAPI schema structure to construct appropriate resource URIs","OpenAPI spec with clear component definitions and endpoint organization"],"input_types":["MCP resource URI (e.g., /paths/users/get, /components/schemas/User)"],"output_types":["Partial OpenAPI schema objects","Endpoint operation definitions","Component schema definitions","Parameter and response metadata"],"categories":["memory-knowledge","search-retrieval"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"awesome-openapi-schema-explorer__cap_2","uri":"capability://tool.use.integration.multi.spec.server.hosting.with.resource.namespacing","name":"multi-spec server hosting with resource namespacing","description":"Supports exposing multiple OpenAPI specifications through a single MCP server instance using resource URI namespacing. Each spec is addressable through a distinct namespace path, allowing a single server to serve as a documentation hub for multiple APIs while maintaining clear separation and avoiding naming conflicts between specs.","intents":["I want to run one MCP server that exposes documentation for all my company's internal APIs","I need to provide Claude access to multiple API specs without spinning up separate servers","I want to organize API documentation hierarchically by service or domain"],"best_for":["Platform teams managing multiple microservices","API aggregators exposing third-party and internal APIs","Organizations consolidating API documentation into a single MCP endpoint"],"limitations":["No built-in conflict resolution if multiple specs define overlapping endpoint paths","Namespace structure must be predefined at server startup — dynamic spec addition requires restart","No quota or rate limiting per spec — all specs share server resources equally","Clients must understand namespace hierarchy to construct correct resource URIs"],"requires":["MCP server implementation supporting resource namespacing","Multiple valid OpenAPI/Swagger specifications","Configuration mechanism to register specs with namespace mappings"],"input_types":["Array of OpenAPI specs with namespace identifiers","Configuration file or environment variables defining spec locations and namespaces"],"output_types":["Namespaced MCP resources","Hierarchical schema metadata organized by spec namespace"],"categories":["tool-use-integration","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"awesome-openapi-schema-explorer__cap_3","uri":"capability://data.processing.analysis.openapi.spec.validation.and.normalization.for.mcp.serving","name":"openapi spec validation and normalization for mcp serving","description":"Validates incoming OpenAPI/Swagger specifications for correctness and normalizes them into a consistent internal representation before exposing as MCP resources. Handles variations between OpenAPI 3.0 and Swagger 2.0 formats, resolves $ref references, and ensures schemas are well-formed for reliable resource serving without requiring client-side validation.","intents":["I want to ensure my OpenAPI spec is valid before exposing it through MCP","I need to serve both Swagger 2.0 and OpenAPI 3.0 specs through the same server","I want to automatically resolve schema references so clients get complete definitions"],"best_for":["Teams with heterogeneous API documentation (mixed Swagger/OpenAPI versions)","Developers wanting to catch schema errors before they reach clients","Systems requiring normalized schema representation for consistent client behavior"],"limitations":["Validation is performed at server startup — runtime spec changes are not validated","$ref resolution may fail for circular references or external references without proper configuration","Normalization may lose format-specific metadata (e.g., Swagger 2.0 vendor extensions)","No support for remote $ref resolution without explicit URL allowlisting for security"],"requires":["OpenAPI/Swagger validation library (e.g., openapi-spec-validator, swagger-parser)","Valid OpenAPI 3.0+ or Swagger 2.0 specification","Proper configuration for external reference resolution if using remote $refs"],"input_types":["OpenAPI 3.0 JSON/YAML","Swagger 2.0 JSON/YAML","Specifications with $ref references (local or remote)"],"output_types":["Validated, normalized OpenAPI schema representation","Error reports with validation failures and line numbers","Resolved schema definitions with references inlined"],"categories":["data-processing-analysis","safety-moderation"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"awesome-openapi-schema-explorer__cap_4","uri":"capability://data.processing.analysis.endpoint.operation.metadata.extraction.and.serving","name":"endpoint operation metadata extraction and serving","description":"Extracts and structures endpoint operation metadata (HTTP method, path, parameters, request/response schemas, authentication requirements) from OpenAPI specs and serves it as queryable MCP resources. Parses operation objects to identify required parameters, request body schemas, response definitions, and security schemes, making this metadata directly accessible to clients without requiring full spec parsing.","intents":["I want Claude to know the exact parameters and request format for a specific API endpoint","I need to expose endpoint authentication requirements through MCP resources","I want to provide clients with response schema information for each endpoint"],"best_for":["AI agents building API calls that need precise parameter and schema information","API documentation systems requiring structured endpoint metadata","Developers building API client generators from OpenAPI specs"],"limitations":["Complex nested schemas may be truncated or simplified for token efficiency","Conditional schemas (oneOf, anyOf) are not fully resolved — clients see schema alternatives but not evaluated conditions","Deprecated endpoints are served without special marking or filtering","Custom OpenAPI extensions (x-* fields) are not extracted or served"],"requires":["Valid OpenAPI specification with operation definitions","MCP resource interface for serving structured metadata","OpenAPI parser capable of extracting operation objects"],"input_types":["OpenAPI operation objects","Parameter definitions","Request/response schema references"],"output_types":["Structured operation metadata (method, path, parameters)","Parameter details (name, type, required, description)","Request body schema information","Response schema definitions by status code","Security requirement specifications"],"categories":["data-processing-analysis","search-retrieval"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"awesome-openapi-schema-explorer__cap_5","uri":"capability://data.processing.analysis.schema.component.reference.resolution.and.inlining","name":"schema component reference resolution and inlining","description":"Resolves OpenAPI schema component references ($ref pointers) and provides inlined schema definitions to clients, eliminating the need for clients to perform multi-step reference lookups. Traverses schema dependency graphs to resolve nested references and optionally inlines complete schema definitions, making schemas self-contained and immediately usable without additional requests.","intents":["I want to get a complete schema definition without having to follow multiple $ref pointers","I need Claude to understand the full structure of a data model including nested references","I want to avoid multiple round-trips to resolve schema dependencies"],"best_for":["Clients with limited ability to handle reference resolution (e.g., simple LLM prompts)","Scenarios where reducing request count is critical (high-latency networks)","Systems requiring self-contained schema representations for caching or analysis"],"limitations":["Circular references in schemas cause infinite recursion — requires cycle detection and truncation","Inlining large schemas increases response size and token consumption","External $refs (pointing to remote URLs) require network access and may fail silently","Inlined schemas lose reference structure information, making schema updates harder to track"],"requires":["OpenAPI spec with component definitions and $ref references","Reference resolution algorithm with cycle detection","Configuration for handling external references (allow/deny/inline)"],"input_types":["OpenAPI schema with $ref pointers","Component definitions","External schema references"],"output_types":["Inlined schema definitions with references resolved","Flattened schema structures","Complete data model representations"],"categories":["data-processing-analysis","memory-knowledge"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"awesome-openapi-schema-explorer__cap_6","uri":"capability://search.retrieval.http.method.and.path.pattern.matching.for.endpoint.discovery","name":"http method and path pattern matching for endpoint discovery","description":"Implements pattern matching on OpenAPI endpoint paths and HTTP methods to enable clients to discover relevant endpoints based on method (GET, POST, etc.) and path patterns (e.g., /users/{id}, /api/v2/*). Supports wildcard and parameterized path matching, allowing clients to find endpoints without knowing exact paths or to discover all endpoints matching a pattern.","intents":["I want to find all GET endpoints in the API","I need to discover endpoints that match a path pattern like /users/*","I want to find all endpoints that accept a specific HTTP method"],"best_for":["API exploration tools and documentation browsers","Agents needing to discover relevant endpoints based on method or path patterns","Systems building dynamic API client logic based on endpoint characteristics"],"limitations":["Pattern matching is limited to simple wildcards and path parameters — no regex support","Path parameters (e.g., {id}) are treated as literals in matching — semantic understanding of parameter types not available","No filtering by endpoint tags, security schemes, or other metadata — only method and path","Large APIs with hundreds of endpoints may have slow pattern matching performance"],"requires":["OpenAPI spec with paths and operations defined","Pattern matching implementation supporting OpenAPI path syntax"],"input_types":["HTTP method (GET, POST, PUT, DELETE, etc.)","Path pattern (exact, wildcard, or parameterized)"],"output_types":["List of matching endpoints","Endpoint metadata (method, path, operation ID)","Matching operation definitions"],"categories":["search-retrieval","data-processing-analysis"],"confidence":0.5,"matches":0,"success_rate":0}],"trust":{"score":25,"verified":false,"data_access_risk":"high","permissions":["MCP client compatible with resource protocol (Claude, or custom MCP client)","Valid OpenAPI 3.0+ or Swagger 2.0 specification","Python 3.8+ (if running reference implementation)","Network access to OpenAPI spec source (local file or remote URL)","MCP client capable of making multiple resource requests","Knowledge of OpenAPI schema structure to construct appropriate resource URIs","OpenAPI spec with clear component definitions and endpoint organization","MCP server implementation supporting resource namespacing","Multiple valid OpenAPI/Swagger specifications","Configuration mechanism to register specs with namespace mappings"],"failure_modes":["Requires OpenAPI/Swagger spec to be valid and accessible at initialization","No built-in caching of remote specs — each server restart re-fetches if using remote URLs","MCP resource protocol limits real-time schema updates without server restart","No authentication layer for accessing exposed schemas — relies on MCP transport security","Partial loading requires client to understand resource URI structure — no automatic discovery of available fragments","No built-in schema validation of fragments — clients must handle malformed partial schemas","Dependency resolution between schema components not automatic (e.g., $ref resolution may require multiple requests)","Performance depends on OpenAPI spec parsing efficiency — very large specs may have latency on first load","No built-in conflict resolution if multiple specs define overlapping endpoint paths","Namespace structure must be predefined at server startup — dynamic spec addition requires restart","builder identity is not verified yet","no observed match outcomes yet"],"rank_breakdown":{"adoption":0.05,"quality":0.24,"ecosystem":0.39999999999999997,"match_graph":0.25,"freshness":0.52,"weights":{"adoption":0.25,"quality":0.25,"ecosystem":0.15,"match_graph":0.23,"freshness":0.12}},"observed_outcomes":{"matches":0,"success_rate":0,"avg_confidence":0,"top_intents":[],"last_matched_at":null},"maintenance":{"status":"active","updated_at":"2026-06-17T09:51:03.579Z","last_scraped_at":"2026-05-03T14:00:15.503Z","last_commit":null},"community":{"stars":null,"forks":null,"weekly_downloads":null,"model_downloads":null,"model_likes":null}},"distribution":{"claim_url":"https://unfragile.ai/submit?claim=openapi-schema-explorer","compare_url":"https://unfragile.ai/compare?artifact=openapi-schema-explorer"}},"signature":"ndi05wHgMj2j/OKm+p7l/VGVap3z0rxVYJhv1WEIAJvx1gun+tCgygAa7Vv6s3RFXTqvcUZ0qiYbbV98NByiAA==","signedAt":"2026-06-20T14:04:45.785Z","signedBy":"unfragile.ai","version":1},"_links":{"self":"https://unfragile.ai/api/v1/passport/openapi-schema-explorer","artifact":"https://unfragile.ai/openapi-schema-explorer","verify":"https://unfragile.ai/api/v1/verify?slug=openapi-schema-explorer","publicKey":"https://unfragile.ai/api/v1/trust-passport-public-key","spec":"https://unfragile.ai/trust","schema":"https://unfragile.ai/schema.json","docs":"https://unfragile.ai/docs"}}