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agentgateway/agentgateway

Agentgateway is the first complete connectivity solution for agentic AI — an Apache-2.0, Rust-based proxy built on MCP and A2A protocols that provides drop-in security, observability, and governance for agent-to-LLM, agent-to-tool, and agent-to-agent communication across any framework. 3.3k stars, ships LLM / MCP / A2A gateways in one binary, with K8s Gateway API support and inference routing via

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Score8.1
Popularity76.0
Risknone
TierGold
Score breakdown
Usefulness8.0
Novelty9.0
Momentum8.0
Maturity7.9
Open-source/build8.4
Evidence7.2
Workflow potential9.2
Setup ease6.4

Popularity is tracked separately. Support, ads, sponsorships, and tips never affect these signals.

Why it matters

Useful for platform teams running agents in any framework (LangChain, CrewAI, AutoGen, custom) that need a single proxy fronting every agent-to-everything call with auth, rate limiting, RBAC, and policy guardrails.

Who should use it

platform teams running agents in mixed frameworks (LangChain + CrewAI + custom) that need unified traffic inspectionengineering teams standardizing on MCP + A2A who need a single proxy for both protocolssecurity teams that need CEL-policy-driven RBAC across LLM, MCP, and A2A traffic in one chokepointinfra teams deploying on Kubernetes who want Gateway API + Inference Gateway extension supportteams evaluating LiteLLM / Bifrost / OmniRoute and finding they don't cover MCP or A2A

Who should skip it

Skip if the source link, docs, or setup requirements do not match your workflow.

Risk explanation

No inherent user-impacting risk is flagged from the captured evidence.

Evidence links

Closest alternatives / related signals

ai-gatewaymcpa2aproxyrustkubernetesgateway-apirbac