What is agent-cold-email?
agent-cold-email is a MCP server by YS-projectcalc that coldrig cold-email infrastructure run by your agent: buy domains, provision mailboxes, warm up, run sequences and handle replies. It is listed under Communication and has no public popularity data yet.
| Type | Mcp server |
|---|---|
| Author | YS-projectcalc |
| Repository | YS-projectcalc/agent-cold-email |
| Popularity | no public popularity data yet |
| Category | Communication |
| Security | Review before installing (76/100) |
| Rank | #3,856 of 4,418 MCP servers; #253 in Communication |
| License | MIT |
| Last commit | 2026-09-25 |
| Runs | Cloud service |
| Language | TypeScript |
Is agent-cold-email safe to install?
agent-cold-email scores 76/100 on the MCPMods security check: Review before installing. Things to review: sends your data to a cloud service; can take actions such as send, write or deploy. It passed 4 of 6 checks.
MCP server results come from listing signals: who publishes it, where your data goes and what it can do. The code itself is not scanned yet.
| Check | Result |
|---|---|
| Published by the service itself | Pass |
| Sends your data to a cloud service | Review |
| No credentials mentioned | Pass |
| Can take actions such as send, write or deploy | Review |
| No code execution | Pass |
| Source on GitHub | Pass |
How do I install agent-cold-email?
- Find the launch command. The README says how the server starts (npx, uvx, docker or a remote URL) and which API keys it needs.
https://github.com/YS-projectcalc/agent-cold-email
- Add it to Claude Code. Replace the part after -- with the command from the README. Remote servers use --transport http with a URL.
claude mcp add agent-cold-email -- <command from README> claude mcp add --transport http agent-cold-email <server-url>
- Check it connected. This lists your MCP servers and their status.
claude mcp list
Or ask Claude to set it up
Paste this into Claude Code and it installs agent-cold-email for you:
Add the "agent-cold-email" MCP server from https://github.com/YS-projectcalc/agent-cold-email to Claude Code. Read its README for the launch command and any API keys I need, run claude mcp add, then check that it connects.