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Open Api MCP Server

@nexpando-com

基本情報

カテゴリ

開発者ツール

ライセンス

MIT

トランスポート

stdio

作者

nexpando-com

Open Api MCP Server について

Generate a MCP server based on OpenAPI specifications

Open Api MCP Server 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": {
    "open-api-mcp": {
      "command": "bun",
      "args": [
        "dev"
      ]
    }
  }
}

Open Api MCP Server 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。

ツールは README から自動的に抽出されます。メンテナーは ## Tools という見出しの下に記載することで、このタブに反映できます。

概要

What is open-api-mcp?

open-api-mcp is a command-line tool that generates an MCP (Model Context Protocol) server from OpenAPI specifications. It simplifies creating API clients by leveraging OpenAPI schemas and generating strongly-typed clients using Zod.

How to use open-api-mcp?

Clone the repository, install dependencies with bun install, prepare an OpenAPI specification (JSON or YAML), copy .env.template to .env, then start the server with bun dev or ./cli.sh open-api.json. For Docker, add the spec to a specs directory and run docker-compose up with appropriate environment variables.

Key features of open-api-mcp

  • Generate MCP servers from OpenAPI specifications
  • Automatically create Zod-based API clients for type-safe interactions
  • Supports both JSON and YAML OpenAPI specification formats
  • Easily configurable via environment variables or Docker Compose

Use cases of open-api-mcp

  • Quickly create an MCP server for any REST API with an OpenAPI spec
  • Generate type-safe API clients for integration in AI applications
  • Deploy API gateway MCP servers in containerized environments

よくある質問

1

How do I customize authentication?

Override the `get-axios.ts` file with your own authentication logic. By default, it uses a Bearer token from the `API_KEY` environment variable. With Docker, mount a custom version of `get-axios.ts` as a volume.

2

What transport types are supported?

Supported transport types are `httpStream`, `sse`, and `stdio`, configurable via the `MCP_TRANSPORT_TYPE` environment variable.

3

How do I run open-api-mcp with Docker?

Create a `specs` directory with your OpenAPI file, define a `docker-compose.yml` with the `nexpando/open-api-mcp` image, mount the specs directory, and set environment variables (`OPEN_API_FILE`, `API_URL`, optionally `API_KEY`, `MCP_NAME`, `MCP_VERSION`, `MCP_TRANSPORT_TYPE`). Then run `docker-compose up`.

4

What are the runtime dependencies?

The project uses the Bun runtime (install with `bun install`). A Docker image is also available for containerized deployment.

5

Where should I place the OpenAPI specification file?

Place it in the `specs` directory (e.g., `specs/open-api.json` or `specs/open-api.yml`) and set the `OPEN_API_FILE` environment variable to point to it.

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