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Record · agentgatewayInfrastructureOpen sourceVerified Sep 23, 2026

agentgateway

An open-source Rust proxy for agent-to-LLM, agent-to-tool (MCP) and agent-to-agent (A2A) traffic.

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Sources and review

Checked against public documentation on . Suitability guidance is our editorial judgment; this is not a performance benchmark or an endorsement.

Best for

Teams running many agents who need central policy, spend control and telemetry for LLM, tool and agent calls.

About agentgateway

agentgateway is an open-source proxy built on MCP and A2A that adds security, observability and governance to agent traffic. It routes LLM calls to major providers through an OpenAI-compatible API with budget controls, load balancing and failover; federates MCP tools across stdio, HTTP, SSE and streamable HTTP with OpenAPI integration and OAuth; and secures agent-to-agent communication.

agentgateway is an open-source project written primarily in Rust, with 5.0k stars on GitHub. It was last updated in September 2026.

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