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OpenAPI to MCP Converter

Paste any OpenAPI v3 JSON spec and get a ready-to-use MCP server configuration. All processing happens in your browser — nothing is sent to any server.

1016+ APIs supported460+ MCP servers indexedzapZero backendNo signup
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Your MCP config will appear here...
Before and after comparison

How to use this config

  1. Copy the generated JSON from the right panel
  2. Open your MCP client config file (e.g., ~/.cursor/mcp.json or Claude Desktop's claude_desktop_config.json)
  3. Paste the config under the mcpServers key
  4. Set the required environment variables (API keys, tokens, etc.)
  5. Restart your MCP client and start using the tools

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