Neuronpedia MCP Server

A Model Context Protocol (MCP) server that provides access to the Neuronpedia API for AI model interpretability and feature analysis.

Features

• Explanations: Generate and search explanations for AI model features

• Activations: Analyze feature activations on specific text inputs

• Steering: Control model generation using specific features

• Vectors: Create and manage custom steering vectors

Related MCP server: Jina AI MCP Server

Installation

npm install
npm run build

Configuration

Set your Neuronpedia API key as an environment variable:

export NEURONPEDIA_API_KEY=your_api_key_here

You can obtain your API key by logging in at neuronpedia.org and visiting your account page.

Usage

Running the server

npm start

Available Tools

1. generate_explanation - Generate explanations for model features

2. search_explanations - Search existing explanations

3. get_activations - Get feature activations for text

4. search_top_features - Find top activating features

5. steer_generation - Steer model generation with features

6. create_vector - Create custom steering vectors

7. list_vectors - List all vectors

8. get_vector - Get specific vector

9. delete_vector - Delete a vector

MCP Client Configuration

Add this to your MCP client configuration:

{
  "mcpServers": {
    "neuronpedia": {
      "command": "node",
      "args": ["/path/to/neuronpedia-mcp/dist/index.js"],
      "env": {
        "NEURONPEDIA_API_KEY": "your_api_key"
      }
    }
  }
}

Development

npm run dev

License

MIT