21st Agents SDK

SDK to add an Claude Code AI agent to your app

Product HuntDeveloper ToolsLaunched Mar 7, 2026210#5 of the day

About 21st Agents SDK

21st Agents SDK is the fastest way to add an AI agent to your app. Define your agent in TypeScript, deploy in one command, and embed a production-ready chat UI with Built-in streaming, session management, usage billing, and observability — so you can focus on what makes your agent unique, not infrastructure. Backed by Y Combinator (W26).

The person behind 21st Agents SDK

Sergey Bunas
Maker
Co-Founder @ 21st.dev
Email not found yet

21st Agents SDK's team page →

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