harvey
About this skill
Autonomous AI sales agent powered by Claude Code or Codex. Finds prospects, writes cold emails, sends campaigns, handles replies, books meetings. No API keys needed — runs on your Claude or Codex subscriptions.
Skip the builder — one click puts this in Claude, Cursor, Antigravity and more.
A prompt/skill package — nothing to install beyond adding it to your AI tool.
mkdir -p ~/.claude/skills/harvey && curl -fsSL https://workflowstacks.com/api/skills/harvey/claude-skill -o ~/.claude/skills/harvey/SKILL.mdOpens the app with this repo with the prompt ready to go — no copy-paste needed.
What's inside — free to inspect
Read the entire source before you build — unlike paid marketplaces that hide it behind a buy button.
Skip the builder — one click puts this in Claude, Cursor, Antigravity and more.
A prompt/skill package — nothing to install beyond adding it to your AI tool.
mkdir -p ~/.claude/skills/harvey && curl -fsSL https://workflowstacks.com/api/skills/harvey/claude-skill -o ~/.claude/skills/harvey/SKILL.mdOpens the app with this repo with the prompt ready to go — no copy-paste needed.
Are you the creator of this tool? and earn 85% of every sale.
Show it off in your README:
[](https://workflowstacks.com/skills/harvey?utm_source=github&utm_medium=badge)The five fastest-growing open-source AI skills, ranked by GitHub star growth. One email a week, unsubscribe anytime.
Do this with a working workflow
Pages we wrote and tested that put a skill like this to work — importable n8n templates, outcome guides and Claude Desktop configs.
Personalize your cold emails at scale
You keep prospects in a Google Sheet with a note about each. The workflow writes a specific one-line opener per prospect and scores it 1–5, so you can send the strong ones and fix the weak ones.
Free n8n templateCold Email Personalizer
Turn a list of prospects into genuinely specific, personalized cold-email openers — each scored 1-5 for specificity so you can kill the generic ones.
MCP configPlaywright (browser) MCP config
Drive a real browser for testing and automation from Claude.
Lead Finder
Turn a business type + city into a spreadsheet of real leads.
Includes the tested workflow and a written setup playbook. Needs: Google Places API key (free tier).
Related skills
More claude-skill tools founders pair with this one.