name: xmtp-agents description: > Building and extending XMTP agents with the Agent SDK. Use when: (1) creating or configuring an XMTP agent, (2) implementing agent features (commands, attachments, reactions, groups, transactions, inline actions, or domain resolution). license: MIT metadata: author: xmtp version: "1.0.0"
XMTP agents
Build event-driven messaging agents on the XMTP network. This skill is the entry point; use the sub-skills below for specific features.
When to apply
- Starting or configuring a new XMTP agent
- Adding behavior: commands, attachments, reactions, groups, payments, inline actions, or address/domain resolution
Sub-skills
| Sub-skill | Use when |
|---|---|
| building-agents | Setup, env vars, text/lifecycle events, middleware |
| handling-commands | Slash commands, validators, message filters, type guards |
| handling-attachments | Send/receive files, remote attachments, upload storage |
| sending-reactions | Send or receive reactions, thinking/reply patterns |
| managing-groups | Create groups, add members, roles, welcome-on-install |
| handling-transactions | USDC transfers, balance checks, transaction references |
| creating-inline-actions | Inline actions, confirmation/selection helpers, config menus |
| resolving-domains | Resolve addresses, Farcaster profiles, extract mentions |
How to use
- Pick the sub-skill that matches the task (e.g. slash commands →
handling-commands). - Read that sub-skill’s
SKILL.mdand itsrules/for step-by-step guidance. - For SDK or API details, use the xmtp-docs skill (index + specific page fetch).
Quick start
Install the Agent SDK, create an agent from env, handle text, then start:
npm install @xmtp/agent-sdkCreate the agent and handle messages using patterns from building-agents (setup, events, middleware). For commands, attachments, reactions, groups, transactions, inline actions, or resolution, use the corresponding sub-skill above.