Cold Email System Pack
Everything between a list and a reply, in the order it has to happen.
Eight premium skills covering the production cold email stack: full sequence design, multichannel enrollment rules, reactivation waves, reply classification and routing, suppression architecture, launch prechecks, waterfall design, and deliverability incident triage. Encoded from live campaign operations, including the platform behaviors that documentation does not mention. Twelve free companion skills cover the ground around them in the public catalog.
Free companion skills for this pack are open source on GitHub. Most premium skills are on a weekly review cycle. Fixes and improvements ship as updates, and buyers receive release notes by email.
Works with every agent that reads SKILL.md — Claude Code, Cursor, Codex CLI, Gemini CLI, GitHub Copilot, Windsurf, OpenClaw, and more.
One payment, lifetime access. 8 skills unlock instantly in your library.
What's included
8 skillsDesigns email discovery waterfalls across providers with cost and quality logic.
Designs the full multi touch sequence between a list and a reply, in the order it has to happen.
Connection campaigns with sender limits, overlap handling, and fallbacks built in.
One enrollment and one exit gate across email and LinkedIn, so channels never collide.
Builds reactivation waves over a dead list with cooldown and eligibility logic.
Classifies every campaign reply and routes the next action automatically.
Builds the suppression system that stops you from emailing the wrong person twice.
The checklist that runs before a campaign wave launches, so it launches to the right people.
See it in action
Clay Waterfall Designer
Example session with this skill installed
Design a waterfall for 50k rows/month. I have Hunter (BYOK), Apollo, and Findymail. Hunter is cheapest but lowest hit rate. Tolerance is 3% bounce. Check ICP.md for domain targets.
- Read your context and instructions
- Compiled the clay waterfall designer
- Hunter (BYOK): Cost $0.02/find. Position 1.
- Gate: If Hunter == NULL.
- Apollo: Cost $0.05/find. Position 2.
- Gate: If Hunter & Apollo == NULL.
- Findymail: Cost $0.08/find. Position 3.
- Verification: Gated on Address EXISTS.
Catch-all: Drop.
Est Cost: $42.50/1k rows.
How to use
Skills on Agensi run inside your AI agent. Copy the prompt, paste it into your agent, and it connects to Agensi and installs these skills for you. If a payment is needed, your agent shows it to you first.
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