Perplexity MCP Server

A Type 3 DAuth MCP server for Perplexity AI API. Provides web search, chat, embeddings, and content moderation using Perplexity's search-focused AI models.

Features

• Search Answer — Real-time web search with citations

• Chat — Conversational AI similar to chat completions

• List Models — View available Perplexity models

• Moderate — Content moderation

• Embed — Text embeddings

Related MCP server: perplexity-web-mcp

Authentication

This server uses Type 3 DAuth (Dedalus Auth) — your API key is encrypted client-side and decrypted in a secure Dedalus enclave.

Get Your Perplexity API Key

1. Go to https://www.perplexity.ai/settings/api

2. Generate a new API key (requires paid subscription)

3. Copy the key

Installation

git clone https://github.com/dedalus-labs/perplexity-mcp.git
cd perplexity-mcp
pip install -e .
cp .env.example .env
# Edit .env and add PERPLEXITY_API_KEY

Available Tools

perplexity_search_answer

Search the web and get answers with citations.

perplexity_search_answer(
    query="What is Model Context Protocol?",
    model="sonar",
    return_images=True,
    search_recency_days=7,
    temperature=0.2,
)

perplexity_chat

Chat with Perplexity AI.

perplexity_chat(
    model="sonar",
    messages=[{"role": "user", "content": "Hello!"}],
    temperature=0.2,
    max_tokens=500,
)

perplexity_list_models

List available Perplexity models.

perplexity_list_models()

perplexity_moderate

Check content for harmful material.

perplexity_moderate(text="This is a test message")

perplexity_embed

Generate text embeddings.

perplexity_embed(
    input="Hello world",
    model="embed",
)

Cost & Rate Limits

Perplexity uses pay-per-token pricing. Check https://perplexity.ai/pricing for details.

Rate Limits

• Free tier: Limited requests per day

• Pro tier: 500 requests/day

• Enterprise: Custom limits

Safety Notes

• Requires paid API — Perplexity API requires a paid subscription

• Monitor costs — Set up usage alerts at perplexity.ai/dashboard

• Don't commit keys — Always use environment variables

Deploy to Dedalus

1. Push to GitHub (public repo)

2. Go to https://www.dedaluslabs.ai/dashboard

3. Add Server → Connect GitHub repo

4. Set PERPLEXITY_API_KEY as Required Credential

5. Deploy

License

MIT