Sending Capacity Planner
Work out how many contacts a set of sending accounts can actually reach per week.
Free
Works with the AI tools you already use
Claude Code
Cursor
Codex CLI
GitHub Copilot
Gemini CLI+17 moreClaude CodeCursorCodex CLIGitHub CopilotGemini CLI
VS Code
Windsurf
Manus+14 moreSee it in action
You say
I have 5 accounts sending 40 emails/day, 5 days a week. My sequence has 4 steps. How long to finish 2000 leads?
Your agent does
Weekly Capacity: 1,000 emails. Steady State: 50 new leads/week. Ramp: W1: 200, W2: 100, W3: 67, W4: 50. Finish Date: Oct 24, 2025. Option: Add 10 accounts to finish by next month.
About this skill
Work out how many contacts a set of sending accounts can actually reach per week, and how long a list will take to work through. Use when someone asks how many emails they can send, how many inboxes they need, how long a campaign will run, or whether to buy more domains.
Every free skill sits on a 30 day review cycle. Fixes and improvements ship as repo updates. Free forever. The premium version of this workflow lives in the Cold Email System Pack at mambabuilt.com.
How to install
Drop the file into your AI Agent. Works with Claude, Cursor, ChatGPT, and 20+ more.
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