mcp-context-forge

An AI Gateway, registry, and proxy that sits in front of any MCP, A2A, or REST/gRPC APIs, exposing a unified endpoint with centralized discovery, guardrails and management. Optimizes Agent & Tool calling, and supports plugins. Maintained by IBM on GitHub, where it has earned 4,086 stars from the community.

It's actively developed around agents, ai, api-gateway, and is a solid reference for anyone building with these tools.