Content
# Kagi MCP Server (Node.js)
A Node.js implementation of the Kagi MCP server that provides web search capabilities to AI assistants using the Kagi search API.
## Features
- Web search using the Kagi API
- Support for multiple search queries in parallel
- Formatted search results
- Built with TypeScript and the official MCP SDK
- Pre-built and ready to use (no build step required)
- Unique tool name (`kagi_web_search`) to avoid conflicts with other MCP servers
## Setup Instructions
> Before anything, ensure you have access to the search API. It is currently in closed beta and available upon request. Please reach out to support@kagi.com for an invite.
### Prerequisites
- Node.js 18 or higher
- Kagi API key
### Quick Start (No Installation)
You can run the server directly without installing it using npx:
```bash
KAGI_API_KEY=your_api_key_here npx github:elliottlawson/kagi-mcp-server
```
### Installation
1. Clone the repository:
```bash
git clone https://github.com/elliottlawson/kagi-mcp-server.git
cd kagi-mcp-server
```
2. Run directly (no build required):
```bash
KAGI_API_KEY=your_api_key_here node build/index.js
```
If you want to modify the code, you'll need to install dependencies and rebuild:
```bash
npm install
npm run build
```
### Setup with Claude Desktop
Add the following MCP config to your Claude Desktop configuration:
```json
{
"mcpServers": {
"kagi": {
"command": "npx",
"args": ["github:elliottlawson/kagi-mcp-server"],
"env": {
"KAGI_API_KEY": "YOUR_API_KEY_HERE"
}
}
}
}
```
Alternatively, if you've cloned the repository:
```json
{
"mcpServers": {
"kagi": {
"command": "node",
"args": ["ABSOLUTE_PATH_TO_REPO/build/index.js"],
"env": {
"KAGI_API_KEY": "YOUR_API_KEY_HERE"
}
}
}
}
```
### Setup with Cursor
1. Go to Cursor Settings -> MCP -> Add new MCP server
2. Configure your MCP:
- Name: Kagi Search
- Type: command
- Command: npx github:elliottlawson/kagi-mcp-server
- Environment Variables: KAGI_API_KEY=YOUR_API_KEY_HERE
### Setup with Claude Code
`claude mcp add --transport stdio kagi --env KAGI_API_KEY=YOUR_API_KEY_HERE -- npx github:elliottlawson/kagi-mcp-server`
### Ask an AI Assistant a Question Requiring Search
For example: "Use Kagi to search for who was time's 2024 person of the year?"
The AI will use the `kagi_web_search` tool to perform the search, avoiding conflicts with other search tools.
## Debugging
Run the MCP Inspector to debug the server:
```bash
npx @modelcontextprotocol/inspector npx github:elliottlawson/kagi-mcp-server
```
Or if you've cloned the repository:
```bash
npx @modelcontextprotocol/inspector node build/index.js
```
Then access MCP Inspector at `http://localhost:5173`. You may need to add your Kagi API key in the environment variables in the inspector under `KAGI_API_KEY`.
## Development
### Project Structure
```
kagi-mcp-server/
├── src/
│ ├── index.ts # Main entry point
│ ├── kagi-client.ts # Kagi API client
│ └── utils/
│ └── formatter.ts # Result formatting utilities
├── build/ # Pre-built JavaScript files
│ ├── index.js # Executable entry point
│ ├── kagi-client.js
│ └── utils/
│ └── formatter.js
├── package.json
├── tsconfig.json
└── README.md
```
### Building
If you make changes to the TypeScript code, rebuild the project:
```bash
npm run build
```
### Running
To run the server:
```bash
npm start
```
## Notes
- The log level can be adjusted through the `DEBUG` environment variable
- The server uses stdio for communication with the MCP client
- The repository includes pre-built JavaScript files, so no build step is required to use it
- The tool is named `kagi_web_search` to avoid conflicts with other MCP servers that might have a generic `search` tool
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