Cometix Indexer
OfficialA local indexing and retrieval service that enables semantic code search by wrapping Cursor's backen...
Open the Cursor dashboard and sign in
- In your browser, go to your Cursor account and sign in. (docs.cursor.com)
Navigate to Integrations → User API Keys
- In the Cursor dashboard, open the Integrations (or Settings) area and find “User API Keys” (or “API Keys”). (docs.cursor.com)
Create / generate a new API key
- Click the button to create or generate a new API key. Give it a descriptive name (e.g., “Cometix Indexer MCP”) and create it. Copy the resulting key and store it securely (this is the value you will use as CURSOR_AUTH_TOKEN). (docs.cursor.com)
(Optional) Confirm or change the API endpoint
- The Cometix Indexer README uses CURSOR_BASE_URL defaulting to https://api2.cursor.sh. If you need a different endpoint, note it now; otherwise keep the default. (CURSOR_BASE_URL is optional and defaults to api2.cursor.sh.)
Open the FastMCP connection interface (click “Install Now”)
- Use the ready-made “Install Now” button to open the FastMCP connection / environment editor.
Fill the environment variables in the FastMCP connection interface
- Set CURSOR_AUTH_TOKEN to the API key you copied from the Cursor dashboard.
- (Optional) Set CURSOR_BASE_URL to the endpoint you want to use (default: https://api2.cursor.sh).
- Example entries:
- CURSOR_AUTH_TOKEN =
- CURSOR_BASE_URL = https://api2.cursor.sh
- CURSOR_AUTH_TOKEN =
Save the configuration and install
- Save / confirm the environment variables in the FastMCP interface and proceed with the “Install Now” / install flow.
Verify the connection
- Start the Cometix Indexer MCP (via the FastMCP install or by running the start command) and confirm it starts without a “Missing CURSOR_AUTH_TOKEN” error. The README lists CURSOR_AUTH_TOKEN as required.
Keep the token secure
- Treat the API key like a secret: store it in your secrets manager or environment settings and avoid committing it into source control. (docs.cursor.com)
How to Install Cometix Indexer
Install Cometix Indexer MCP server with one click through FastMCP. Choose your preferred AI development tool below:
Claude Desktop
Click "Claude Desktop" in Quick Start
Cursor IDE
Click "Cursor IDE" in Quick Start
VS Code
Click "VS Code" in Quick Start
Cometix Indexer is an officially maintained MCP server, verified by the FastMCP team.
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