# Best TypeScript agent infrastructure

> The open-source agent infrastructure written in TypeScript, from the Agent Search Engine index — ranked by real maintained adoption (GitHub stars and recent commit activity), never by sponsorship. Every project here is TypeScript-first, self-hostable, and free to run; the trade-off is you host and maintain it yourself.

Right now it's led by gateway (13k stars), with steel-browser and byterover-cli close behind. Rankings shift as projects gain stars and ship commits.

7 open-source records, ranked by maintained GitHub adoption; sponsorship never affects the ranking. Browse on the web: https://agentsearchengine.app/best/typescript-agent-infrastructure

## Ranked

1. [gateway](https://agentsearchengine.app/agents/gateway) — A blazing fast AI Gateway with integrated guardrails. Route to 1,600+ LLMs, 50+ AI Guardrails with 1 fast & friendly API. · Open source · Infrastructure · 13k★ · TypeScript · MIT · active 2 months ago · best for routing a single fast api across 250+ llms from 40+ providers
2. [steel-browser](https://agentsearchengine.app/agents/steel-browser) — Open Source Browser API for AI Agents & Apps. Steel Browser is a batteries-included browser sandbox that lets you automate the web without worrying about infrastructure. · Open source · Infrastructure · 7.4k★ · TypeScript · Apache-2.0 · active 6 days ago
3. [byterover-cli](https://agentsearchengine.app/agents/byterover-cli) — ByteRover CLI (brv) - The portable memory layer for autonomous coding agents (formerly Cipher) · Open source · Infrastructure · 4.9k★ · TypeScript · active 1 month ago
4. [archestra](https://agentsearchengine.app/agents/archestra) — Enterprise AI Platform with guardrails, MCP registry, gateway & orchestrator · Open source · Infrastructure · 4.1k★ · TypeScript · active 1 day ago
5. [metamcp](https://agentsearchengine.app/agents/metamcp) — MCP Aggregator, Orchestrator, Middleware, Gateway in one docker · Open source · Infrastructure · 2.6k★ · TypeScript · MIT · active 1 month ago
6. [mcp-router](https://agentsearchengine.app/agents/mcp-router) — A Unified MCP Server Management App (MCP Manager). · Open source · Infrastructure · 2.1k★ · TypeScript · active 1 month ago
7. [ai-devkit](https://agentsearchengine.app/agents/ai-devkit) — The control plane for AI coding agents. · Open source · Infrastructure · 1.6k★ · TypeScript · active 1 day ago

## FAQ

**What are the best TypeScript agent infrastructure?**
The TypeScript projects listed below, ranked by maintained adoption — GitHub stars plus recent commit activity — so you see what's genuinely used and still maintained, not abandoned.

**Are these TypeScript agent infrastructure open source and free?**
Yes — every project on this page is open source and written primarily in TypeScript. The software is free to run and self-host; you still pay for the infrastructure you run it on and any model or API usage it makes.

**Why choose TypeScript agent infrastructure specifically?**
Staying in your team's primary language — TypeScript — makes self-hosting, extending, and debugging far easier, because you can read and modify the source directly instead of treating it as a black box.

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Source: [Agent Search Engine](https://agentsearchengine.app) — https://agentsearchengine.app/best/typescript-agent-infrastructure