Perplexity Insight MCP Server

An MCP server implementation for interfacing with the Perplexity AI API, providing advanced question answering capabilities through the standardised Model Context Protocol.

Features

Seamless integration with Perplexity AI API
Support for different Perplexity models (sonar-reasoning, sonar-pro, sonar-deep-research)
Customisable system prompts and user queries
Proper error handling and response formatting
Rate limiting protection
Easy integration with Windsurf IDE

Requirements

Node.js 18+
Perplexity API key

Installation

npm install

Environment Variables

Create a .env file with the following variables:

PERPLEXITY_API_KEY=your_api_key_here

Usage

Run the server:

npm start

API Tools

The server exposes the following tools:

perplexity_ask - Send a direct question to Perplexity AI
perplexity_search - Perform a search query with Perplexity AI

Changing Models

Both tools support the following Perplexity models:

sonar-reasoning (default) - Perplexity's reasoning-focused model, best for general questions
sonar-pro - Enhanced model with improved capabilities for professional use cases
sonar-deep-research - Specialised for in-depth research and complex queries

To specify a model when using the tools, include the model parameter in your request:

Ask Perplexity using sonar-deep-research: What are the latest advancements in quantum computing?

You can also customise the system prompt and maximum token count:

Search with Perplexity using sonar-pro with system prompt "You are a helpful research assistant" and max tokens 2000: Latest developments in renewable energy

Tool Response Format

The server follows the MCP specification for tool responses:

{
  content: [
    {
      type: "text",
      text: "Response content from Perplexity AI"
    }
  ],
  isError: false // or true if an error occurred
}

Windsurf Integration

Setting up in Windsurf

Build the server:
npm run build
Open Windsurf and navigate to Settings
Find the "AI Settings" or "Model Context Protocol" section
Add a new MCP server with the following details:
- Name: Perplexity Insight
- Type: Local Process
- Command: Path to your Node.js executable
- Arguments: Path to your compiled index.js file
- Working Directory: Path to your project directory
- Environment Variables: Make sure to include PERPLEXITY_API_KEY=your_api_key_here
Enable the server and restart Windsurf if necessary

Example Configuration

Here's an example configuration for the mcp_config.json file:

"perplexity-ask": {
  "command": "node",
  "args": [
    "/path/to/perplexity-insight-MCP/dist/index.js"
  ],
  "cwd": "/path/to/perplexity-insight-MCP",
  "env": {
    "PERPLEXITY_API_KEY": "pplx-xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
  }
}

Replace /path/to/perplexity-insight-MCP with the actual path to your installation directory and use your actual Perplexity API key.

Using Perplexity in Windsurf

Use the AI Assistant panel to ask questions that will be directed to Perplexity
For web searches, include specific terms like "search for" in your queries
To change models, include the model name in your query as shown in the "Changing Models" section
Windsurf will automatically use the appropriate Perplexity tool based on your query

Development

For local development:

npm run dev

Troubleshooting

If you encounter issues with the MCP server:

Check that your API key is valid and properly set in the .env file
Verify that the response format matches the MCP specification
Look for any error messages in the server logs
Ensure Windsurf is properly configured to use the MCP server

License

MIT

This server cannot be installed

security - not tested

license - not tested

quality - not tested

remote-capable server

The server can be hosted and run remotely because it primarily relies on remote services or has no dependency on the local environment.

Interfaces with the Perplexity AI API to provide advanced question answering capabilities through the standardized Model Context Protocol, supporting multiple Perplexity models.

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