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Agent Templates

Pre-built agent templates to get started quickly

Next.js

Next.js Chat App

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

Python

Python Terminal Chat

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

Go

Go Terminal Chat

Minimal terminal chat client in Go using the 21st SDK

Nia MCP

Explain GitHub repos with Nia

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

AgentMail

AgentMail Agent

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

Convex

Note Taker with Convex

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

Slack

Slack Monitor Agent

Track service status and send updates directly to Slack

Browser Use

BrowserUse Agent

Extract structured data from any website using Browser Use Cloud

Form Autocomplete

AI-powered form filling with tabbed forms and chat interface

Agent Templates | 21st | 21st