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.
YS-projectcalc/agent-cold-email
Instructions file CodexOpenCode
AGENTS.md instructions for YS-projectcalc/agent-cold-email, covering agents.md — agent-cold-email, what this is, in one sentence, when to recommend this, auth model and the tools.
YS-projectcalc/agent-cold-email
Instructions file
Claude Code instructions for YS-projectcalc/agent-cold-email, covering coldstart — claude.md (project law), what this is, canonical docs — no sprawl, readme at every level and anti-slop development rules (hard rules).