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Perplexity MCP Server (Python)

by ctosmsa
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Python
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Perplexity MCP Server — Python Port

Python conversion of the official perplexityai/modelcontextprotocol Node.js/TypeScript server.

File mapping

TypeScript (original)

Python (this port)

Notes

src/types.ts

types.py

Dataclasses replace TS interfaces

src/validation.ts

validation.py

Pydantic models replace Zod schemas

src/logger.ts

logger.py

Direct translation

src/server.ts

server.py

Core MCP tools + API logic

src/index.ts

__main__.py

STDIO entry point

src/http.ts

http_server.py

HTTP entry point (FastAPI + uvicorn)

Dependencies

Node.js

Python

@modelcontextprotocol/sdk

mcp

axios / undici (fetch)

httpx

zod

pydantic

express + cors

fastapi + CORSMiddleware

Node.js built-ins

Python stdlib (asyncio, re, json, …)

Installation

pip install -e .

Usage

STDIO (for Claude Desktop, Cursor, VS Code…)

export PERPLEXITY_API_KEY=your_key_here
python -m perplexity_mcp
# or after pip install:
perplexity-mcp

Claude Desktop / Cursor mcpServers config:

{
  "mcpServers": {
    "perplexity": {
      "command": "perplexity-mcp",
      "env": { "PERPLEXITY_API_KEY": "your_key_here" }
    }
  }
}

HTTP server

export PERPLEXITY_API_KEY=your_key_here
python -m perplexity_mcp.http_server
# or after pip install:
perplexity-mcp-http

The server listens on http://0.0.0.0:8080/mcp by default.

Environment variables

Variable

Description

Default

PERPLEXITY_API_KEY

Perplexity API key (required)

—

PERPLEXITY_BASE_URL

Custom API base URL

https://api.perplexity.ai

PERPLEXITY_TIMEOUT_MS

Request timeout in ms

300000

PERPLEXITY_PROXY

Proxy URL

—

HTTPS_PROXY / HTTP_PROXY

Fallback proxy env vars

—

PERPLEXITY_LOG_LEVEL

DEBUG|INFO|WARN|ERROR

ERROR

PORT

HTTP server port

8080

BIND_ADDRESS

HTTP bind address

0.0.0.0

ALLOWED_ORIGINS

CORS origins (comma-separated)

*

Available tools

Tool

Model

Description

perplexity_ask

sonar-pro

Quick Q&A with web grounding

perplexity_research

sonar-deep-research

Deep multi-source research (30s+)

perplexity_reason

sonar-reasoning-pro

Step-by-step reasoning + web

perplexity_search

Search API

Raw ranked URL results

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