OpenAPI to MCP Server Converter

@zxypro1

Basic information

About OpenAPI to MCP Server Converter

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

#nodejs #javascript #node #typescript #mcp #openapi#openapi-spec#openapi-specification #llm #llm-tools #model-context-protocol #mcp-server

OpenAPI to MCP Server Converter config

No standard config provided

This server doesn't expose a parseable MCP config block in its README. See the repository for install instructions.

Repository

OpenAPI to MCP Server Converter tools

Tool list not available yet

This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.

We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.

Overview

What is OpenAPI to MCP Server Converter?

A tool for automatically converting OpenAPI specifications into Model Context Protocol (MCP) server instances. It is intended for developers who want to expose REST APIs as MCP-compatible tools for AI assistants.

How to use OpenAPI to MCP Server Converter?

Install via npm install openapi-mcp-converter. Import OpenApiMCPSeverConverter, pass an OpenAPI document and optional configuration (timeout, security), then call getServer() to obtain an MCP server. Connect the server via an MCP transport (stdio, SSE, or Streamable HTTP) and run it. Sample tests can be executed with npm run test.

Key features of OpenAPI to MCP Server Converter

Auto-parses OpenAPI 3.0 specifications
TypeScript‑based strong type validation
Automatically maps tool call parameters
Supports stdio, SSE, and Streamable HTTP transports
Configurable request timeout and API key security

Use cases of OpenAPI to MCP Server Converter

Convert an existing REST API (OpenAPI) into MCP tools for LLMs
Run an MCP server locally using stdio transport
Host an MCP server over SSE or Streamable HTTP for remote access
Automate API integration with AI assistants by generating MCP tools on the fly

Frequently asked questions

What are the runtime prerequisites?

Node.js 18+ and TypeScript 5.x are required.

What transports are supported?

The server can run over stdio, SSE (Server-Sent Events), and Streamable HTTP transports.

How can I configure authentication for API calls?

Pass a `security` option to the converter constructor, for example `{ security: { apiKey: 'my-api-key' } }`. The converter forwards this in tool call requests.

What OpenAPI version does it support?

It explicitly supports OpenAPI 3.0 specifications.

Where does the converted server code live?

The converter produces a server object in memory; no files are generated. Users implement the transport and run the server manually.

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