MCP Gateway

stdionone★ 3,782development

A feature-rich gateway and proxy that federates MCP and REST services, unifying discovery, authentication, rate-limiting, and observability into a single endpoint for AI clients.

github ↗

Install

How to run this server

[ { "cmd": "npx -y @modelcontextprotocol/inspector", "imports": [] } ]

server path: mcp-gateway-3

Tools

What this server exposes

federation

Federates across multiple MCP and REST services

a2a_integration

Agent-to-Agent integration for external AI agents (OpenAI, Anthropic, custom)

grpc_to_mcp_translation

gRPC-to-MCP translation via automatic reflection-based service discovery

virtualization

Virtualization of legacy APIs as MCP-compliant tools and servers

transport

Transport over HTTP, JSON-RPC, WebSocket, SSE (with configurable keepalive), stdio and streamable-HTTP

admin_ui

Admin UI for real-time management, configuration, and log monitoring (with airgapped deployment support)

auth_retries_rate_limiting

Built-in auth, retries, and rate-limiting with user-scoped OAuth tokens and unconditional X-Upstream-Authorization header support

observability

OpenTelemetry observability with Phoenix, Jaeger, Zipkin, and other OTLP backends

scalable_deployment

Scalable deployments via Docker or PyPI, Redis-backed caching, and multi-cluster federation

rest_to_mcp_tool_adapter

Adapts REST APIs into tools with automatic JSON Schema extraction

Configuration

Environment & auth

authnone

envJWT_SECRET_KEY

envMCPGATEWAY_BEARER_TOKEN

envMCP_SERVER_URL

envDATABASE_URL

envAUTH_ENCRYPTION_SECRET

Resources

githubhttps://github.com/IBM/mcp-context-forge ↗