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OpenAPI to MCP Server Code Generator

@cnoe-io

基本情報

カテゴリ

開発者ツール

ライセンス

Apache-2.0

トランスポート

stdio

作者

cnoe-io

OpenAPI to MCP Server Code Generator について

OpenAPI to MCP Server Code Generator

OpenAPI to MCP Server Code Generator の設定

以下の設定を使って、このサーバーを MCP 対応クライアントに追加してください。

{
  "mcpServers": {
    "openapi-mcp-codegen": {
      "command": "uvx",
      "args": [
        "--from",
        "git+https://github.com/cnoe-io/openapi-mcp-codegen.git",
        "openapi_mcp_codegen",
        "\\"
      ]
    }
  }
}

OpenAPI to MCP Server Code Generator のツール

ツール一覧はまだありません

この掲載には表示できるツール一覧がまだありません。サーバーにツールがないという意味ではありません。対応機能はプロジェクトのドキュメントをご確認ください。

上のボタンで一時的なサンドボックスでこのサーバーを実行し、ツール一覧を取得できます。

概要

What is 🚀 OpenAPI to MCP Server Code Generator?

This tool generates Model Context Protocol (MCP) servers from OpenAPI specifications, producing Python packages that AI assistants can use to interact with APIs. It parses paths, operations, and schemas from OpenAPI specs (JSON or YAML) and renders Jinja2 templates into a structured MCP server with tools, models, and client code.

How to use 🚀 OpenAPI to MCP Server Code Generator?

Run uvx --from git+https://github.com/cnoe-io/openapi-mcp-codegen.git openapi_mcp_codegen --spec-file <path> --output-dir <path> with optional flags such as --generate-agent, --generate-eval, or --enable-slim. For enhanced documentation, use python -m openapi_mcp_codegen.enhance_and_generate.

Key features of 🚀 OpenAPI to MCP Server Code Generator

  • Automatic MCP server generation from OpenAPI specs
  • Supports JSON and YAML input formats
  • Tool modules created for each API endpoint
  • API client code generation (httpx-based)
  • Logging, error handling, and configuration files included
  • Optional LangGraph ReAct agent and A2A server generation
  • Optional evaluation mode with LangFuse tracing
  • Optional SLIM transport bridging for A2A servers

Use cases of 🚀 OpenAPI to MCP Server Code Generator

  • Quickly create an MCP server for any REST API described by an OpenAPI spec
  • Deploy an AI agent that can call API endpoints via natural language (using generated LangGraph agent and A2A server)
  • Evaluate agent performance with automated correctness, hallucination, and trajectory accuracy tests
  • Integrate MCP servers with SLIM-based messaging infrastructure for scalable agent communication

よくある質問

1

What does the generated MCP server contain?

A Python package with FastMCP-based server, tool functions for each API operation (async, type-hinted), an API client module, configuration files (pyproject.toml, .env.example), and optional agent/evaluation components.

2

What are the runtime dependencies?

Python 3.8+, `uv` package manager, and the Python packages `mcp>=1.9.0`, `httpx`, `Jinja2`, and `Ruff`. The generated server runs in STDIO mode by default.

3

Does this tool support all OpenAPI versions?

The README does not specify version limits; it processes OpenAPI specs in JSON or YAML format. The generator uses standard path, operation, and schema parsing.

4

How does the generated server communicate with the AI assistant?

By default the MCP server communicates over STDIO using the Model Context Protocol. When combined with `--generate-agent`, an A2A server is also produced for HTTP-based agent communication. SLIM transport is available experimentally.

5

Can I preview the generated code without writing files?

Yes, use the `--dry-run` flag to preview generation output without creating files.

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