Higress
BifrostHigress and Bifrost both combine LLM gateway and MCP functionality in an Apache 2.0 binary. Higress is Envoy-based from Alibaba with built-in MCP hosting and OpenAPI-to-MCP conversion; Bifrost is Go-based from Maxim AI with dual-role MCP client plus server and a lighter operational footprint.
LiteLLM
HigressLiteLLM and Higress both combine LLM gateway and MCP functionality under one binary. LiteLLM is Python-based with an open-core commercial tier; Higress is Envoy-based Apache 2.0 from Alibaba with a Chinese-primary documentation set.