{"id":"harsha-iiiv-openapi-mcp-generator","name":"openapi-mcp-generator","af_score":54.2,"security_score":66.2,"reliability_score":35.0,"what_it_does":"openapi-mcp-generator is a CLI (and programmatic Node.js API) that converts an OpenAPI 3.0+ specification into a generated MCP server project. The generated MCP server proxies requests to the underlying REST API, adds runtime validation via Zod, and supports multiple MCP transports (stdio, web/SSE, and StreamableHTTP).","best_when":"You already have an OpenAPI document and want to rapidly generate an MCP server that proxies to your REST API with basic authentication support and runtime input validation.","avoid_when":"Your OpenAPI spec is incomplete/ambiguous about server base URLs and you can’t provide a correct --base-url (the tool notes it may be required). Also avoid if you require strict, documented rate limiting behavior or formal reliability guarantees.","last_evaluated":"2026-03-30T13:27:06.734529+00:00","has_mcp":true,"has_api":false,"auth_methods":["API key","Bearer token","Basic auth","OAuth2 (client id/secret + scopes)"],"has_free_tier":false,"known_gotchas":["Generated MCP tools proxy to your REST API; any tool behavior (including side effects) is ultimately determined by the OpenAPI operation definitions and your REST API implementation.","Correct base URL resolution can be important; if OpenAPI servers are missing/ambiguous, --base-url is required.","Auth credentials are injected via environment variables; misconfiguration will likely cause request failures, but the README doesn’t specify detailed troubleshooting guidance."],"error_quality":0.0}