Next.js Starter

Next.js chat interface with AI agent powered by 21st Agents SDK

Python Starter

Minimal server-side Python chat client using the 21st SDK

Go Starter

Minimal terminal chat client in Go using the 21st SDK

Lead Research Agent

Research people by email online, qualify leads, and send Slack alerts for interesting prospects

Form Autocomplete

AI-powered form filling with tabbed forms and chat interface

Docs Assistant (llms.txt)

Documentation Q&A agent — provide a docs URL and get an instant assistant that searches via llms.txt

Support Agent

Docs-powered support agent that answers questions from llms.txt and escalates unanswered ones via email (Resend)

Explain GitHub repos with Nia

Next.js repository chat with Nia MCP-backed GitHub analysis

AgentMail Agent

Email operations copilot — send, read inbox, auto-reply via AgentMail

Note Taker with Convex

AI notebook assistant with persistent notes and real-time sync via Convex

Slack Monitor Agent

Track service status and send updates directly to Slack

BrowserUse Agent

Extract structured data from any website using Browser Use Cloud