What Bifrost does
Open-source LLM and MCP gateway with a unified API across providers, fallbacks and load balancing
Why teams reach for it: Unifies access to 23+ AI providers behind one OpenAI-compatible API with automatic failover, load balancing, and semantic caching.
Worth knowing
It speaks Streamable HTTP to clients, aggregates multiple MCP servers behind one endpoint, terminates authentication, can host stdio servers remotely.
How Bifrost compares
Fields the vendor doesn't document are left blank here rather than guessed — a blank means nothing verified, not a "no."
- Transports Client Facing
- Streamable HTTP
- Transports Server Facing
- stdio, SSE, Streamable HTTP
- Server Aggregation
- Yes
- Hosts Stdio Servers Remotely
- Yes
- Terminates Auth
- Yes
- Rbac
- Yes
- Tool Filtering
- Yes
- Agent Identity
- No
- Policy Enforcement
- Built-in engine
- Audit Logging
- Yes
- Telemetry Output
- OpenTelemetry
- Also Proxies
- LLM inference
- Deploy Targets
- Docker, Kubernetes
- Self Hostable
- Yes
How will you route, mediate, and control traffic?
A gateway or proxy sits between clients and MCP servers to route traffic or add a control layer, without changing the servers themselves.