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OpenAPI-MCP Conversion Tool Released

·2026.08.29 03:23

Key point

The open-source tool mcpify has been released, automatically converting OpenAPI documents into MCP tools for AI assistants such as Claude.

Details

Developer furkan708 has released mcpify, an open-source tool that automatically converts OpenAPI documents into MCP (Model Context Protocol) tools. Previously, connecting APIs to AI assistants required manually writing tool definitions, parameter validation, and error handling for each endpoint, but mcpify automates this process by leveraging existing OpenAPI documents as-is.

Key Features and Characteristics

  • Automatic Conversion: Running the command mcpify serve openapi.json converts all endpoints in the document into MCP tools.
  • Dynamic Updates: Since the document is read at server runtime without code generation, the tool list updates simply by restarting when the API changes.
  • Security and Control: The --read-only option allows only GET requests to reduce the risk of data deletion, and the --tag option exposes only specific groups to optimize token usage.
  • Environment Variable Support: API keys are read from environment variables, avoiding direct exposure in configuration files or the command line.

Limitations

Currently, support for APIs without existing OpenAPI documents is limited, requiring users to create the documentation first.

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