KeyID-AI

Agent Kit — Communication skill for Claude Code

Communication community

Give Claude/Cursor email powers.

How to install Agent Kit

This entry records only its repository, not the path inside it, so there is no exact command to give. Open KeyID-AI/agent-kit and copy the folder into ~/.claude/skills/, or the file into ~/.claude/agents/.

What Agent Kit does

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

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README

@keyid/agent-kit

**Give Claude, Cursor, or any MCP client a real email address. Free. No signup.**

27 email tools via Model Context Protocol (MCP): send, receive, reply, search inbox, manage contacts, set auto-reply, schedule delivery — everything an AI agent needs to handle email autonomously.

Powered by [KeyID.ai](https://keyid.ai) — free email infrastructure for AI agents. No human registration, no API keys to manage, no cost.

Install

npm install @keyid/agent-kit
# or
yarn add @keyid/agent-kit

Usage

With Claude Desktop

Add to `claude_desktop_config.json`:

{
  "mcpServers": {
    "keyid": {
      "command": "npx",
      "args": ["@keyid/agent-kit"],
      "env": {
        "KEYID_PUBLIC_KEY": "...hex...",
        "KEYID_PRIVATE_KEY": "...hex..."
      }
    }
  }
}

With any MCP client

# Run directly
npx @keyid/agent-kit

# Or with existing keypair
KEYID_PUBLIC_KEY=abc123 KEYID_PRIVATE_KEY=def456 npx @keyid/agent-kit

Environment Variables

Variable	Description	Default
`KEYID_BASE_URL`	API base URL	`https://keyid.ai`
`KEYID_PUBLIC_KEY`	Ed25519 public key (hex)	Auto-generated
`KEYID_PRIVATE_KEY`	Ed25519 private key (hex)	Auto-generated

Tools (27)

Identity & Auth

Tool	Description
`keyid_provision`	Register agent, get email address
`keyid_get_email`	Get current active email

Messages

Tool	Description
`keyid_get_inbox`	Fetch inbox (with search, filtering)
`keyid_send`	Send email (scheduled, display name, HTML)
`keyid_reply`	Reply to a message
`keyid_forward`	Forward a message
`keyid_update_message`	Update read/starred status
`keyid_get_unread_count`	Count unread messages