perplexity-ask-openrouter

elct9620/perplexity-ask-openrouter

3.2

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A Model Context Protocol (MCP) server implementation that integrates OpenRouter with Perplexity Ask.

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Perplexity Ask OpenRouter

A Model Context Protocol (MCP) server implementation that makes OpenRouter available for Perplexity Ask.

Overview

This project is inspired by Perplexity Ask and provides an MCP server implementation that connects to OpenRouter's API. It allows you to use Perplexity's models through OpenRouter with any MCP-compatible client.

Features

  • Full implementation of the Model Context Protocol
  • Support for Perplexity's models via OpenRouter:
    • perplexity_ask - Uses Sonar model for general queries
    • perplexity_research - Uses Sonar Deep Research model for in-depth research
    • perplexity_reason - Uses Sonar Reasoning model for complex reasoning tasks
  • Server-Sent Events (SSE) support
  • Streamable HTTP transport implementation
  • Docker containerization for easy deployment

Getting Started

Environment Variables

The server requires the following environment variables:

  • OPENROUTER_API_KEY - Your OpenRouter API key (required)
  • PORT - Port to run the server on (default: 3000)
  • BASE_URL - Custom OpenRouter base URL (optional)
  • ASK_MODEL - Model to use for ask tool (default: perplexity/sonar-pro)
  • RESEARCH_MODEL - Model to use for research tool (default: perplexity/sonar-deep-research)
  • REASON_MODEL - Model to use for reason tool (default: perplexity/sonar-reasoning-pro)
  • DISABLE_ASK - Disable the ask tool (default: false)
  • DISABLE_RESEARCH - Disable the research tool (default: false)
  • DISABLE_REASON - Disable the reason tool (default: false)

Running with Docker

The easiest way to run the server is using Docker:

docker run -p 3000:3000 \
  -e OPENROUTER_API_KEY=your_api_key_here \
  ghcr.io/elct9620/perplexity-ask-openrouter:latest

Building from Source

If you prefer to build from source:

# Clone the repository
git clone https://github.com/elct9620/perplexity-ask-openrouter.git
cd perplexity-ask-openrouter

# Build Docker image
docker build -t perplexity-ask-openrouter .

API Endpoints

The server exposes the following endpoints:

  • /sse - SSE endpoint for establishing a connection
  • /messages - Endpoint for sending messages to an established SSE connection
  • /mcp - Streamable HTTP endpoint implementing the MCP protocol

Usage with MCP Clients

This server implements the Model Context Protocol, so it can be used with any MCP-compatible client. The server supports both SSE and Streamable HTTP transport modes.

Docker Deployment

The project includes a Dockerfile and GitHub Actions workflow for building and publishing the Docker image to GitHub Container Registry (ghcr.io).

License