The cold email playbook our team runs on.
10 open-source Agent Skills that turn Claude Code, Codex or any AI agent into a cold email strategist. MIT licensed, no account, and everything stays in local files on your machine.
Ten skills for the whole campaign.
Each skill is a plain markdown file. Run the full playbook, or call one skill on its own.
- cold-email-campaignRuns the whole playbook end to end, from research to ready-to-send copy.
- client-researchTurns your notes, website and meeting transcripts into a research doc.
- search-strategyTurns your ICP into prospect-search filters you can run in any list tool.
- qualificationWrites AI prompts that judge whether a prospect actually fits.
- segmentationSplits your list into segments that each get their own messaging.
- campaign-strategyBuilds a per-segment sequence blueprint with personalization variables.
- email-copywritingWrites the actual emails: hooks, body, CTAs and personalization placeholders.
- email-reviewScores the copy against hard rules and iterates until it passes.
- prompt-writerGenerates personalization prompts you can run in any LLM.
- lead-magnetDesigns lead magnets for click-based and reply-based campaigns.
From install to a finished campaign.
- 1
Install the skills
One command adds all 10 to Claude Code, Codex or any agent that supports skills.
- 2
Ask for a campaign
Say "plan a cold email campaign". The orchestrator skill walks research, targeting, qualification, segmentation, strategy, copy and review.
- 3
Answer a few questions
Your offer, your ICP, your proof points. The skills do the strategy work.
- 4
Get the campaign folder
Research doc, segments, sequence blueprints, finished emails and personalization prompts, all plain markdown on your machine.
Prompts to copy and paste.
Once the skills are installed, paste one of these into your agent to get started. Swap the bracketed parts for your own details.
Run the full playbook
Plan a cold email campaign for my business. Start with research, then targeting, qualification, segmentation, sequence strategy, copy, and a final review pass. Ask me what you need before you start.
Turn notes into a research doc
Use the client-research skill to turn my website and these notes into a research doc: [paste your notes, or a URL].
Build prospect-search filters
I sell [product] to [who you sell to]. Use search-strategy to turn that into prospect-search filters I can run in Apollo, Sales Navigator, or any list tool.
Segment a list and draft copy
Here is a description of my prospect list: [describe it]. Use segmentation to split it into segments, then email-copywriting to draft a first email for each one.
Write qualification prompts
Write qualification prompts that judge whether a prospect fits my ICP: [describe your ICP]. I want to run them over a CSV of leads.
Review and rewrite an email
Use the email-review skill to score this cold email against your hard rules and rewrite it until it passes: [paste your email].
Where these skills come from.
Ken started as a done-for-you cold email agency. These are the production skills our team runs for clients, the same playbook behind these results.
The skills plan and write. Ken does the rest.
The skills stop where infrastructure starts. When you need the prospect list, verified emails, sending and live AI personalization on every message, that is what Ken does.
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Frequently asked questions.
Anything that supports Agent Skills: Claude Code, Codex, Cursor, and other agents via skills.sh. Each skill is a plain markdown file, so worst case you can paste it into any LLM.
Yes. MIT licensed, no account, no trial, no email gate. The repo is yours to fork.
No. They plan and write. You bring your own prospect list and sending tool, or let Ken handle contacts, verification and sending when you are ready.
Nowhere. The skills write local files on your machine. There is no server, no telemetry, and no account.
Because the playbook was never the moat. Execution is: contact data, verified emails, deliverability and live personalization on every message. Open-sourcing the strategy costs us nothing and makes cold email better for everyone.