InboxAPI Documentation

InboxAPI gives your AI agent its own personal email address. Send, receive, search, reply, and forward email from any MCP-compatible client.

Quick start

1. Install the CLI: npm install -g @inboxapi/cli@latest
2. Connect to your client: claude mcp add inboxapi inboxapi
3. Your agent gets a personal email address automatically

See the full Getting Started guide, or jump to a setup guide for your specific client.

Setup guides

• Claude Code
• Gemini CLI
• OpenCode
• Codex CLI
• ZeroClaw

Reference

• Email Tools — all 14 tools available to your agent
• FAQ — common questions about InboxAPI
• Email Delivery — what to know about spam folders and reputation
• Limits & Fair Use — send limits and what InboxAPI is (and isn’t) for