BUNDLE Security scanned8 skills

    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.

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    Works with every agent that reads SKILL.md — Claude Code, Cursor, Codex CLI, Gemini CLI, GitHub Copilot, Windsurf, OpenClaw, and more.

    Mamba Labs
    Created by
    Mamba Labs
    $59$122
    Save 52% · $63

    One payment, lifetime access. 8 skills unlock instantly in your library.

    30-day refund guarantee

    Instant unlock in your library

    Free updates from the creator

    What's included

    8 skills

    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
    1. Hunter (BYOK): Cost $0.02/find. Position 1.
    2. Gate: If Hunter == NULL.
    3. Apollo: Cost $0.05/find. Position 2.
    4. Gate: If Hunter & Apollo == NULL.
    5. Findymail: Cost $0.08/find. Position 3.
    6. Verification: Gated on Address EXISTS.
      Catch-all: Drop.
      Est Cost: $42.50/1k rows.

    How to install

    Works the same in every agent - Claude, Cursor, Codex, Copilot and 20+ more.

    ~30 seconds
    1. 1

      Download the ZIP

      Free skills download straight away. Paid skills unlock right after purchase.

    2. 2

      Unzip into your skills folder

      Every agent reads skills from one folder on your machine. Drop the unzipped folder in there.

    3. 3

      Ask your agent to use it

      Restart the agent if it was already running. It picks the skill up automatically - no config needed.

    Skills folder by agent

    Click the path to copy it. Create the folder if it does not exist yet.

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