Polymcp

PolyMCP PYTHON VERSION UPDATE

Authentication System

• 🔐 Pluggable auth: JWT, OAuth2 (RFC 6749), API keys, custom providers
• 🔄 Auto-refresh with exponential backoff + jitter
• 🛡️ Thread-safe token management & automatic retry on 401/403
• 🎯 Drop-in auth wrapper for UnifiedPolyAgent (no code changes needed)

Security & Isolation

• 🐳 Docker executor: run code in isolated containers

Production Stdio Client

• 🔧 Robust JSON-RPC line parsing with timeout handling
• 🛡️ Graceful shutdown: proper pipe cleanup & process termination
• 🎭 Battle-tested with Playwright, filesystem, and custom servers

Enhanced Security & Reliability

• 🔒 Multi-layered auth with circuit breakers
• 📊 Health checks, structured logs, and metrics
• 🔄 Transient failure retry with intelligent backoff
• 🛡️ Input validation, schema enforcement, workspace isolation

Install

pip install polymcp

Quickstart (60s): expose 2 tools via MCP (HTTP)

Create server.py:

from polymcp.polymcp_toolkit import expose_tools_http

def greet(name: str) -> str:
    """Say hello."""
    return f"Hello, {name}!"

def add(a: int, b: int) -> int:
    """Add two numbers."""
    return a + b

app = expose_tools_http(tools=[greet, add], title="My MCP Tools")

Run:

uvicorn server:app --reload

You now have:

• GET /mcp/list_tools
• `POST /mcp/invoke/<to...