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.
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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.
Connect from your client
Each snippet configures the same source-provided package; replace placeholders before use.
Cursor
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
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
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
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
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