Owl MCP server

Owl is a spaced repetition application which helps people retain more information and generate more ideas. You can find out more and sign up at owl.cards.

Local serverstdioISC

What is the Owl MCP server?

Owl MCP server is an MCP project maintained in the holonoms/owl-mcp repository. The maintainer describes its purpose as “Owl is a spaced repetition application which helps people retain more information and generate more ideas. You can find out more and sign up at…”. Read the project documentation for the complete scope.

Local setup

The project provides a local client configuration using /path/to/node. Follow the repository’s build and installation steps before copying it, and replace example paths with the paths on your own computer.

Configuration values

The example declares OWL_API_KEY, OWL_API_URL. Secret-looking values have been replaced with placeholders. Required and optional labels are shown only when the documentation states them.

Source

Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-08.

How to install the Owl MCP server

{
  "mcpServers": {
    "owl": {
      "command": "/path/to/node",
      "args": [
        "</path/to/owl-mcp>/build/index.js"
      ],
      "env": {
        "OWL_API_KEY": "YOUR_OWL_API_KEY",
        "OWL_API_URL": "https://api.owl.cards"
      },
      "description": "Study with Owl using Claude"
    }
  }
}

From the project documentation. Replace placeholders and example paths before connecting.

Configuration

Variable	Description	Required
OWL_API_KEY	Declared in the maintainer’s client configuration.	Check documentation
OWL_API_URL	Declared in the maintainer’s client configuration.	Check documentation