agent-kit

Name: agent-kit
Author: KeyID-AI

Verified

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

686stars

9forks

JavaScript

Installation

# Add to your Claude Code skills
git clone https://github.com/KeyID-AI/agent-kit

Getting Started

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Security ReportVerified

Last scanned: 5/9/2026

{
  "issues": [],
  "status": "PASSED",
  "scannedAt": "2026-05-09T06:17:17.870Z",
  "semgrepRan": false,
  "npmAuditRan": true,
  "pipAuditRan": true
}

README.md

Frequently Asked Questions

What is agent-kit?

agent-kit is an open-source ai agents skill for AI coding assistants such as Claude Code, Codex CLI, and ChatGPT, built by KeyID-AI. Give Claude/Cursor email powers. 27 MCP tools — inbox, send, reply, contacts, search. Free, no signup. It has 686 GitHub stars.

Is agent-kit safe to use?

Yes. agent-kit passed SkillsLLM's automated security scan — a dependency vulnerability audit plus prompt-injection heuristics — with no high-severity issues. You can read the full report in the Security Report section on this page.

How do I install agent-kit?

Clone the repository with "git clone https://github.com/KeyID-AI/agent-kit" and add it to your Claude Code skills directory (see the Installation section above).

What programming language is agent-kit written in?

agent-kit is primarily written in JavaScript. It is open-source under KeyID-AI on GitHub, so you can review or fork the full source.

Are there alternatives to agent-kit?

Yes. SkillsLLM lists many other AI Agents skills you can browse and compare side by side. Open the AI Agents category from the badge at the top of this page, or use the Related Skills and comparison links further down to weigh agent-kit against similar tools.

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@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.

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

Threads & Drafts

Tool	Description
`keyid_list_threads`	List conversation threads
`keyid_get_thread`	Get thread with messages
`keyid_create_draft`	Create a draft
`keyid_send_draft`	Send a draft

Settings

Tool	Description
`keyid_get_auto_reply`	Get auto-reply settings
`keyid_set_auto_reply`	Configure vacation responder
`keyid_get_signature`	Get email signature
`keyid_set_signature`	Set email signature
`keyid_get_forwarding`	Get forwarding settings
`keyid_set_forwarding`	Configure forwarding

Contacts

Tool	Description
`keyid_list_contacts`	List saved contacts
`keyid_create_contact`	Create a contact
`keyid_delete_contact`	Delete a contact

Webhooks

Tool	Description
`keyid_list_webhooks`	List webhooks
`keyid_create_webhook`	Create webhook
`keyid_get_webhook_deliveries`	Delivery history

Lists & Metrics

Tool	Description
`keyid_manage_list`	Add/remove from allow/blocklist
`keyid_get_metrics`	Query usage metrics

Example Conversation

User: Check my email

Agent: [calls keyid_get_inbox]
You have 3 new messages:
1. alice@company.com — "Q1 Report" (2 hours ago)
2. bob@partner.org — "Meeting tomorrow" (5 hours ago)
3. noreply@service.com — "Password reset" (1 day ago)

User: Reply to Alice saying I'll review it today

Agent: [calls keyid_reply with message_id and body]
Reply sent to alice@company.com.

Protocol

Uses MCP JSON-RPC over stdio (protocol version 2024-11-05). Compatible with Claude Desktop, Cursor, and any MCP client.

License

MIT