60 #openapi MCP Servers & Clients

FastAPI-MCP

tadata-org

Expose your FastAPI endpoints as Model Context Protocol (MCP) tools, with Auth!

⚡️ mcpo

open-webui

A simple, secure MCP-to-OpenAPI proxy server

Twilio MCP Monorepo

twilio-labs

Monorepo providing 1) OpenAPI to MCP Tool generator 2) Exposing all of Twilio's API as MCP Tools

@reapi/mcp-openapi

ReAPI-com

OpenAPI specification MCP server.

MCP Server: Scalable OpenAPI Endpoint Discovery and API Request Tool

baryhuang

A MCP server that enables Claude to discover and call any API endpoint through semantic search. Intelligently chunks OpenAPI specifications to handle large API documentation, with built-in request execution capabilities. Perfect for integrating private APIs with Claude Desktop.

MCP OpenAPI Schema Explorer

kadykov

MCP server providing token-efficient access to OpenAPI/Swagger specs via MCP Resource Templates for client-side exploration.

OpenAPI to Model Context Protocol (MCP)

gujord

The OpenAPI-MCP proxy translates OpenAPI specs into MCP tools, enabling AI agents to access external APIs without custom wrappers!

QuickMCP

gunpal5

Effortlessly Build Model Context Protocol Servers with OpenAPI or Swagger or Google Discovery Specifications

🚀 OpenAPI to MCP Server Code Generator

cnoe-io

OpenAPI to MCP Server Code Generator

Openapi To Mcp

ouvreboite

An MCP server for your API

Delimit

delimit-ai

The merge gate for AI-written code, with signed, replayable attestation. Works across Claude Code, Codex, Cursor, and Gemini CLI.

OPENAPI Specifications => MCP (Model Context Protocol) Tools

2013xile

OpenAPI specifications => MCP (Model Context Protocol) tools

MockLoop MCP - AI-Native Testing Platform

MockLoop

Intelligent Model Context Protocol (MCP) server for AI-assisted API development. Generate mock servers from OpenAPI specs with advanced logging, performance analytics, and server discovery. Optimized for AI development workflows with comprehensive testing insights and automated a

AppDog

rodolphebarbanneau

Compose and generate effortlessly MCP servers from any OpenAPI specifications

🤖 OpenAPI MCP Server

JacerOmri

CLI tool to create an MCP server exposing services from an OpenAPI specification

@openapi-mcp/server

sotayamashita

Powerful bridge between OpenAPI specifications and AI assistants using the Model Context Protocol (MCP). Automatically converts any OpenAPI/Swagger API specification into MCP tools that can be used by AI assistants like Claude Desktop.

MCPOSimpleServer

getsimpletool

MCP Calling Servere via SSE and OpenAPI

Simple Tool Server

getsimpletool

MCP Calling Servere via SSE and OpenAPI

🦙 ollama-mcpo-adapter

tappi287

Adapter to expose MCPO, the MCP-to-OpenAPI proxy server, tools in Ollama-compatible format

OpenAPI to MCP Server Converter

zxypro1

A tool for automatically converting OpenAPI into Model Context Protocol (MCP) Server instance

OpenAPI to MCP Server Converter

zxypro1

A tool for automatically converting OpenAPI into Model Context Protocol (MCP) Server instance

OpenAPI MCP Server

3loc

This is a skeleton project that you can use as a starting point for building your own MCP server. The example addition function demonstrates how to implement handlers across all three protocols.

Swagger Testcase MCP

eyaushev

MCP server for API testing: generates test cases, validates specs, compares versions, and creates mock data from Swagger/OpenAPI specifications

Pricing Data: SaaS, AI & LLM Cost API | ComparEdge

comparedge

Free REST API and MCP server for verified SaaS, AI, and LLM pricing across 490+ tools. OpenAPI 3.1, no API key.

Routebase

Routebase

Routebase keeps your API's design, docs, contract tests, mocks and monitoring in one living OpenAPI spec so they can't drift apart. Agents work on that same source of truth, under your team's permissions.

HtAG Documentation

HtAG Documentation

Public MCP server for discovering HtAG's Australian property data APIs, MCP servers, tools and micro-agents.

Brilliant Directories MCP

brilliantdirectories

Official MCP server for Brilliant Directories, the membership and directory website platform powering 50,000+ sites. Manage members, posts, leads, reviews, pages, redirects, email templates, forms, menus, tags, and more from any AI agent. Ships an OpenAPI 3.1 spec and an interact

TokenLab MCP Server

hedging8563

TokenLab MCP integration for model discovery, pricing, typed LLM requests, multimodal generation, async tasks, files and developer API workflows.

OpenAPI MCP Server

prompteus-ai

An MCP server proxy that exposes OpenAPI-based APIs.

OpenAPI MCP Server

MCP-Mirror

Mirror of

OpenAPI MCP Server

MCP-Mirror

Mirror of

An MCP (Model Context Protocol) server that helps you work with large OpenAPI specifications by extracting only the relevant portions for specific endpoints. This is particularly useful when working with LLMs that have context limitations - instead of loading an entire large Open

Mailgun Docs

Mailgun Docs

Public MCP server on Mailgun's documentation site that lets AI assistants search the docs and read Mailgun's OpenAPI specs.

Smithery Registry OpenAPI Server

chinpeerapat

OpenAPI server for Smithery Registry, providing access to MCP servers

Lints/Validates an OpenAPI specification

Read-only MCP server for searching, comparing, and recommending 18,000+ UK gyms using LocalGym data.

MCP OpenAPI

electrocucaracha

MCP Generator using OpenAPI spec

commercetools Knowledge MCP

commercetools Knowledge MCP

Free, no-auth MCP server that lets AI agents search commercetools docs, fetch GraphQL and OpenAPI schemas, and validate API calls.

Remote MCP Server (WebMCP) for industrial vacuum cleaner exploration and configuration. Helps to choose the right vacuuming solution for each specific dust extraction application.

datamcp — Hosted MCP Gateway for PostgreSQL and OpenAPI

datamcp

Hosted DataMCP gateway for PostgreSQL and OpenAPI integrations, using the documented remote MCP configuration and access controls.

Air Pipe

airpipe

Build, validate, deploy — HTTP APIs, cron jobs, webhooks and MCP tools — from your AI client.

Sabre Developer Hub

Sabre Developer Hub

Sabre's official read-only MCP server for searching and reading Developer Hub API docs, specs and agent skills.

本插件为 Model Context Protocol（MCP）提供了企业级 OpenAPI 文档能力，自动聚合并标准化 企业微信 与 飞书 等的开放接口文档。

**Altinity MCP Server** is a production-ready MCP server designed to empower AI agents and LLMs to interact seamlessly with ClickHouse. It exposes your ClickHouse database as a set of standardized tools and resources that adhere to the MCP protocol, making it easy for agents buil

Mcp Forge — Mcp Server Generator

Vulcai

Generate production-ready MCP servers from any source: OpenAPI/Swagger specs, GraphQL APIs, codebases, CLI tools and websites. Powered by LLM enrichment. Requires a mcp-forge license key.

OpenAPI MCP Server

MCP-Mirror

Mirror of

Developing a Spring AI Enhanced Restaurant Booking System Employing an API-first Approach

pacphi

This multi-module project hosts a client code-generated from an OpenAPI derivative of the ResOs API combined with a Spring AI implementation. It also includes an MCP server, MCP client configuration for use with Claude and a standalone ReactJS powered chatbot UI.

OpenAPI MCP Server

asabya

fork of openapi-mcp-server v1.2.0-beta04

CodeRifts

coderifts

PR-native API governance for AI agents. Detects breaking API changes at merge time, scores blast radius, and blocks unsafe agent tool calls before production. Preflight check, risk scoring, Decision Spec v1.0.

Point mcpify at any OpenAPI spec and every endpoint becomes a tool your AI agent (Claude, Cursor, Windsurf) can call — zero glue code, zero per-endpoint wrappers, always in sync with the spec. Supports GET/POST/PUT/PATCH/DELETE, auth headers, and both URL and local file specs.

API Docs MCP

EliFuzz

MCP server for API documentation, supporting GraphQL, OpenAPI/Swagger, and gRPC from local files or remote URLs

Sinch Docs

Sinch Docs

Sinch's official documentation MCP server: AI assistants search the Sinch docs and read API specs for SMS, Conversation, Voice and more.

Agentbodega Mcp

agentbodegastore

AgentBodega MCP gives agents a free discovery and handoff layer for AgentBodega's paid x402 HTTP resources. Agents can search available services, compare endpoint prices, inspect accepted and required inputs, review output examples, and generate curl/JavaScript call snippets. Pai

Safe-by-default local stdio MCP server for the official Toss Securities Open API. Read-only market/account tools are available by default; order operations require explicit trading gates, dry-run defaults, confirmation, and max-order safeguards.

Scento Perfume API (MCP server): free fragrance API, no key

Scento

Scento Perfume API is a free fragrance API and perfume notes database for developers and AI agents. Search 1,500+ perfumes and 400+ ingredients, compare scents, find similar perfumes, map scent families and build occasio

Mockloop MCP: Intelligent Model Context Protocol Server

Asaduzzamanhimel

MockLoop MCP is a powerful tool that helps developers create mock API servers effortlessly. 🚀 With just a few commands, you can set up a testing environment that mimics your production API. 💻

API-MARKET MCP Server

MCP-Mirror

Mirror of

Kaiva Bridge

Kaiva Bridge turns your API, database or documents into a managed MCP server for Claude, ChatGPT, Cursor and VS Code. Point it at an OpenAPI or Swagger spec, an API docs link, a cURL command, a Postman collection, a Grap