Welcome to Arch!
Arch is a models-native edge and LLM proxy/gateway for AI agents - one that is natively designed to handle and process prompts, not just network traffic.
Built by contributors to the widely adopted Envoy Proxy, Arch handles the pesky low-level work in building agentic apps — like applying guardrails, clarifying vague user input, routing prompts to the right agent, and unifying access to any LLM. It’s a language and framework friendly infrastructure layer designed to help you build and ship agentic apps faster.
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