paygate-mcp

[](https://github.com/walker77/paygate-mcp/actions/workflows/ci.yml) [](https://www.npmjs.com/package/paygate-mcp) [](https://opensource.org/licenses/MIT)

Monetize any MCP server with one command. Add API key auth, per-tool pricing, rate limiting, and usage metering to any Model Context Protocol server. Zero dependencies. Zero config. Zero code changes.

• Quick Start
• What It Does
• Usage — Local stdio, remote HTTP, multi-server, client SDK
• API Reference — All 199+ endpoints
• CLI Options
• Deployment — Docker, docker-compose, systemd, PM2
• Load Testing — k6 benchmarking for production
• Error Codes — Complete error code reference
• Feature Reference — Detailed docs for every feature
• Storage & Billing · Stripe · ACL · Rate Limits
• Key Management · Webhooks · OAuth 2.1 · SSE
• Analytics (64 endpoints) · Teams · Redis Scaling
• Plugins · Groups · Namespaces
• Programmatic API
• Security
• Tested With — Verified against popular MCP servers
• Current Limitations
• Roadmap
• Requirements
• License

# Interactive setup wizard (generates paygate.json)
npx paygate-mcp init

# Or wrap directly with CLI fl