Coldrig — cold email infrastructure run entirely by your coding agent (Claude Code / Codex / Cursor / Cline). One token, 28 intent-level MCP + HTTP tools and an npm CLI: domain purchase, mailboxes, warmup, sequences, replies, deliverability guardrails. Free fault-injecting sandbox.
This repository also configures its own agents. See what agent-cold-email tells them →
YS-projectcalc/agent-cold-email
MCP server Claude CodeCodexCursor +2
MCP server "coldrig", hosted remotely at api.coldrig.dev, as configured in YS-projectcalc/agent-cold-email.
YS-projectcalc/agent-cold-email
MCP server Claude CodeCodexCursor +2
Coldrig — cold-email infra run by your agent: 28 MCP tools, live sending, free sandbox. $99/mo. Runs locally from the agent-cold-email npm package. Needs 2 environment variables to run.