$git clone https://github.com/croit/llm-gatewaySelf-hosted, OpenAI-compatible LLM gateway that turns any backend into an agent. Point an OpenAI SDK at it and the model runs tools mid-completion. From web search, code sandbox, document rendering, RAG, MCP connectors all behind a built-in chat UI. Multi-backend routing with health checks + failover, OIDC + RBAC, per-user tokens.