Company

OpenAPI: MCP servers, APIs and tools

592 servers in the catalogue mention OpenAPI. The official ones were published by the owner of openapi.com, which the MCP Registry verified; the rest are made by others.

Official OpenAPI servers

• Openapi® Needs a sign-in or key
  Official Openapi® MCP server: Italian company data, PEC, SMS, vehicles, geocoding and more APIs.

Other MCP servers for OpenAPI

• Sezzlee OpenAPI Runs on your computer
  Expose an OpenAPI document to agents as a search-first tool catalog over your existing API.
• OpenAPI Ok: openapi-ok Working at last check
  OpenAPI version key shape, body discarded
• Toolapi Hub: openapi_operations_list Verified publisher · Working at last check
  List OpenAPI path operations (method, path, operationId, tags). When: List OpenAPI operations before validate/diff.
• io.github.mayorandrew/openapi-dynamic Runs on your computer
  Load OpenAPI 2.x/3.x specs and expose generic tools to discover and call multiple APIs.
• OpenAPI Services Runs on your computer
  MCP server that fronts any OpenAPI service: discover operations from its spec and call them
• Quiz Api: get_openapi_spec Verified publisher · Working at last check
  Return the Quiz.Video OpenAPI 3.1 specification.
• GenPark Multi-Source OpenAPI Router Mesh Runs on your computer
  Aggregates multiple OpenAPI specifications into a unified virtual routing mesh with service namespac
• OpenAI Tools MCP Server Verified publisher · Needs a sign-in or key
  Focused MCP server for OpenAI image/audio generation (v2.0.0). Wraps endpoints via HAPI CLI.
• io.github.nk3750/jitapi Runs on your computer
  Turn any OpenAPI spec into an executable agent interface using graphs and semantic search.
• Geniusflow Federation: gf_openapi Working at last check
  GET OpenAPI 3 document for federation endpoints.
• OpenAPI Lint Runs on your computer
  Lint OpenAPI 3.x documents for missing security, responses, descriptions and versioning.
• OpenAPI MCP Server Asleep: wakes on first use
  OpenAPI MCP Server, an MCP server on Hugging Face Spaces
• OpenAPI MCP Server Working at last check
  OpenAPI MCP Server, an MCP server on Hugging Face Spaces

Command-line tools

• openapi
  CLI tools for working with OpenAPI, Arazzo and Overlay specifications
• redocly-cli
  Your all-in-one OpenAPI utility
• create-api
  Delightful code generator for OpenAPI specs
• openapicmd
  OpenAPI Command Line Tool oclif
• oasdiff
  OpenAPI Diff and Breaking Changes
• openapi-diff
  Utility for comparing two OpenAPI specifications diff difference openapi swagger

Web APIs

• OpenAPI space
  This is the API for OpenAPI space. developer_tools
• OpenAPI Generator Online
  This is an online openapi generator server. You can find out more at https://github.com/OpenAPITools/openapi-generator. developer_tools
• OpenAPI definition
  OpenAPI definition (peoplegeneratorapi.live) tools
• OpenAI API
  APIs for sampling from and fine-tuning language models machine_learning
• IBANAPI OpenApi Documentation
  IBANAPI OpenApi documentation financial
• Swagger2OpenAPI Converter
  Converter and validator for Swagger 2.0 to OpenAPI 3.0.x definitions developer_tools

Claude Code plugins

• 42crunch-api-security-testing
  Automate API security directly in Claude Code with 42Crunch - automatically audit OpenAPI specs, detect vulnerabilities aligned with OWASP API Security risks…

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Listing text is written by each tool's maker; AptLynx lists tools and does not vouch for them.