Koskamo

Coldrig MCP

Coldrig is a cold-email infrastructure MCP server that allows agents to manage domains, mailboxes, warmup, campaigns, and replies using 37 intent-level tools with server-enforced guardrails.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Coldrig MCP logo, by ColdrigCommunity listingLocal stdioSource reviewed; not executedPublished by Coldrig
You need:Create a free accountSign in with Coldrig connection
Vendor documentation

What you can do with it

  • Set up email infrastructure and warm mailboxes
  • Launch cold email campaigns
  • Monitor campaign health and replies
  • Handle unsubscribes and suppression

Source and maintenance

Community listingRegistry 0.2.5
Maintenance checked

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

agent-cold-email 0.2.2

npm
agent-cold-email package definition
{
  "version": "0.2.2",
  "transport": "stdio",
  "identifier": "agent-cold-email",
  "registryType": "npm",
  "environmentVariables": [
    {
      "name": "AGENT_COLD_EMAIL_API_KEY",
      "format": "string",
      "description": "Bearer token from POST /signup (free, no card) — or run `npx agent-cold-email demo` first. Optional at startup: without it, `initialize`/`tools/list` still work (unauthenticated introspection), but every `tools/call` fails until a key is set."
    },
    {
      "name": "AGENT_COLD_EMAIL_BASE_URL",
      "format": "string",
      "description": "Override the API base URL (default: https://api.coldrig.dev)"
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.
Cursor configuration
{
  "mcpServers": {
    "coldrig-mcp-agent-cold-email": {
      "command": "npx",
      "args": [
        "-y",
        "agent-cold-email@0.2.2"
      ],
      "env": {
        "AGENT_COLD_EMAIL_API_KEY": "<YOUR_AGENT_COLD_EMAIL_API_KEY>",
        "AGENT_COLD_EMAIL_BASE_URL": "<YOUR_AGENT_COLD_EMAIL_BASE_URL>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "coldrig-mcp-agent-cold-email": {
      "command": "npx",
      "args": [
        "-y",
        "agent-cold-email@0.2.2"
      ],
      "env": {
        "AGENT_COLD_EMAIL_API_KEY": "<YOUR_AGENT_COLD_EMAIL_API_KEY>",
        "AGENT_COLD_EMAIL_BASE_URL": "<YOUR_AGENT_COLD_EMAIL_BASE_URL>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.
VS Code configuration
{
  "servers": {
    "coldrig-mcp-agent-cold-email": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "agent-cold-email@0.2.2"
      ],
      "env": {
        "AGENT_COLD_EMAIL_API_KEY": "<YOUR_AGENT_COLD_EMAIL_API_KEY>",
        "AGENT_COLD_EMAIL_BASE_URL": "<YOUR_AGENT_COLD_EMAIL_BASE_URL>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.
Claude Desktop configuration
{
  "mcpServers": {
    "coldrig-mcp-agent-cold-email": {
      "command": "npx",
      "args": [
        "-y",
        "agent-cold-email@0.2.2"
      ],
      "env": {
        "AGENT_COLD_EMAIL_API_KEY": "<YOUR_AGENT_COLD_EMAIL_API_KEY>",
        "AGENT_COLD_EMAIL_BASE_URL": "<YOUR_AGENT_COLD_EMAIL_BASE_URL>"
      }
    }
  }
}

Let your agent find its tools

Find servers like Coldrig MCP from your agent. Add Koskamo once to search the index for endpoints, access requirements, and client setup. Public discovery needs no key.