KeyID-AI/agent-kit

Give Claude/Cursor email powers. 27 MCP tools — inbox, send, reply, contacts, search. Free, no signup.

666 ★11 forksJavaScriptUpdated 6mo ago

What you need to know

Free email MCP server (@keyid/agent-kit) that gives Claude, Cursor, or any MCP client a real email address, with 27 tools for send, receive, reply, inbox search, contacts, auto-reply, and scheduled delivery — no human registration, no API keys, no cost.

Install

npm install @keyid/agent-kit
npx @keyid/agent-kit
yarn add @keyid/agent-kit

Usage

•Run with npx @keyid/agent-kit (keypair auto-generated) or pass KEYID_PUBLIC_KEY/KEYID_PRIVATE_KEY env vars
•Add to claude_desktop_config.json with the npx command and keypair env vars
•Ask the agent to check email, reply, schedule sends, set auto-reply, manage contacts

Key features

✓27 tools across identity/auth, messages, threads & drafts, settings (auto-reply, signature, forwarding), contacts, webhooks, lists & metrics
✓Free email infrastructure by KeyID.ai — no human registration, no API keys to manage, no cost
✓Scheduled delivery, HTML email, display-name support, forwarding, allow/blocklists
✓MCP JSON-RPC over stdio (protocol version 2024-11-05)

Best for

Giving AI agents their own autonomous email address for sending and receiving email without human signup.

Caveats

⚠Requires a KeyID keypair (auto-generated or set via KEYID_PUBLIC_KEY/KEYID_PRIVATE_KEY)
⚠Configurable KEYID_BASE_URL (default https://keyid.ai)

Clients: Claude Desktop · Cursor · any MCP client

Documentation ↗

Reviewed 2026-08-07

Topics

agentai-agentclaudeemailkeyidmcpmodel-context-protocolsmstools

Stars: 666★
Forks: 11
Language: JavaScript
License: —
Created: 2026-03-13
Last push: 2026-03-13