OpenAPI Analyzer
Analyzes OpenAPI specifications with seven core tools including spec loading, API listing, endpoint ...
Open the FastMCP connection interface
Click the "Install Now" button to begin adding your OpenAPI Analyzer MCP Server integration.Decide on your OpenAPI source
Choose one of the following methods to provide your OpenAPI specifications (at least one is required):- Option 1 (Highest priority): An API registry URL (in apis.json format)
- Option 2: A comma-separated list of OpenAPI specification URLs
- Option 3: An absolute path to a local folder containing your OpenAPI spec files
Fill in the environment variable(s) in the FastMCP interface
- For an API registry, set:
- Variable:
OPENAPI_DISCOVERY_URL - Example value:
https://docs.company.com/apis.json
- Variable:
- For specific URL list, set:
- Variable:
OPENAPI_SPEC_URLS - Example value:
https://api1.com/spec.yaml,https://api2.com/spec.json
- Variable:
- For a local folder, set:
- Variable:
OPENAPI_SPECS_FOLDER - Example value:
/absolute/path/to/openapi/specs
- Variable:
- For an API registry, set:
Use absolute paths for folders
If using a local folder, ensure the path you provide is absolute.Save your configuration
Once you have filled out the desired environment variable(s), save the configuration in the FastMCP interface.Restart Claude Desktop or your MCP client (if needed)
For the changes to take effect, you may need to restart your client application.Test the integration
Try running a query or tool (like "List loaded APIs" or "Get API overview") to confirm your OpenAPI specifications were loaded successfully.
Notes:
- You only need to provide one type of source, but you may fill in more than one for automatic fallback.
- Make sure all URLs are publicly accessible from where the integration is running.
- JSON, YAML, and YML formats are supported.
- For more details or troubleshooting, refer to the "Troubleshooting" section in the OpenAPI Analyzer MCP Server documentation.
Quick Start
Choose Connection Type for
Authentication Required
Please sign in to use FastMCP hosted connections
Configure Environment Variables for
Please provide values for the following environment variables:
started!
The MCP server should open in . If it doesn't open automatically, please check that you have the application installed.
Copy and run this command in your terminal:
Make sure Gemini CLI is installed:
Visit Gemini CLI documentation for installation instructions.
Make sure Claude Code is installed:
Visit Claude Code documentation for installation instructions.
Installation Steps:
Configuration
Installation Failed
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