YS-projectcalc/agent-cold-email

Overview

Coldrig is a TypeScript toolkit that lets coding agents such as Claude Code, Codex, Cursor, and Cline manage cold email infrastructure. It exposes 28 intent-level MCP and HTTP tools plus an npm CLI for domain purchase, mailbox setup, warmup, sequences, replies, and deliverability guardrails. A free fault-injecting sandbox is included for testing.

Best for

Best for
Developers building agent-driven cold email pipelines.

Use cases

• Automate domain and mailbox provisioning for cold email campaigns
• Run warmup and sequence workflows directly from a coding agent
• Test email deliverability with fault-injected sandbox scenarios

How to use

Install

npx agent-cold-email demo

Tools exposed

• setup_infrastructure
• infrastructure_status
• launch_campaign
• campaign_results
• remove_mailboxes
• get_dashboard
• configure_dashboard
• label_thread
• list_campaigns
• get_webhooks
• configure_webhook
• get_byo_domains
• configure_byo_domain
• suppress_lead
• update_lead
• list_leads
• list_messages
• ack_message
• contact_operator

Clients listed in this record (not verified here)

Claude Code, Cursor, Cline

Example client config

{
  "mcpServers": {
    "coldrig": {
      "url": "https://api.coldrig.dev/mcp"
    }
  }
}

Notes