00-start-here
Interview the user once and write a docs/gtm-cofounder/founder-brief.md that every other skill reads first, so the advice is…
Before showing the user any substantive GTM deliverable (positioning, value prop, homepage, launch post, pricing, sales script, the brief, the market research, or the roadmap), stress-test it against the standard as an independent critic, because the agent that wrote it is the
Claude Code
$ npx -y skills add AIDevGTM/gtm-cofounder --skill 17-review-the-work --agent claude-code
Codex
$ npx skills add AIDevGTM/gtm-cofounder --skill 17-review-the-work -a codex -y
Cursor
$ npx skills add AIDevGTM/gtm-cofounder --skill 17-review-the-work -a cursor -y
Gemini CLI
$ npx skills add AIDevGTM/gtm-cofounder --skill 17-review-the-work -a gemini-cli -y
GitHub Copilot
$ npx skills add AIDevGTM/gtm-cofounder --skill 17-review-the-work -a github-copilot -y
OpenCode
$ npx skills add AIDevGTM/gtm-cofounder --skill 17-review-the-work -a opencode -y
Windsurf
$ npx skills add AIDevGTM/gtm-cofounder --skill 17-review-the-work -a windsurf -y
name: review-the-work description: "Before showing the user any substantive GTM deliverable (positioning, value prop, homepage, launch post, pricing, sales script, the brief, the market research, or the roadmap), stress-test it against the standard as an independent critic, because the agent that wrote it is the worst judge of whether it is good. Use as a gate right before presenting work, or when the user asks whether something is actually strong."
> The person who wrote it is the worst judge of whether it is good. Before this reaches the founder, stop being the author and become the skeptic.
**Use this when:** you are about to present any substantive deliverable, or the founder asks "is this actually good?" It is a gate, not a stage. It has no place in the linear sequence. Run it around any piece of work, every time.
An agent that just wrote something is biased to ship it. That bias is how generic, plausible, quietly wrong work reaches a founder who does not yet know enough to catch it. So separate the two jobs: the author drafts, a different lens judges. You do not present work because you made it. You present it because it survived a skeptic.
Steal the one rule that makes this work: **the author may submit the work, the author may not issue the verdict.** Switch roles on purpose. Become the developer who is skeptical, the buyer who is busy, the reviewer who has seen a hundred of these, and try to break it before the market does.
Run the general standard, then the relevant skill's own checklist:
--- Built from real dev-tool GTM experience, with frameworks from Adam Frankl (*The Developer-Facing Startup*) and Jakub Czakon (*markepear.dev*). Want an independent human read before this goes live? That's exactly what I do. Reach out to me on [LinkedIn](https://www.linkedin.com/in/devtoolgtm/).
#1 Product of The Day @ Product Hunt. The GTM co-founder you don't have. Open-source GTM Agent Skills for developer tools and AI products, for founders, GTM hires, and founding AEs: positioning, first users, launch, pricing. Sharpened by Frankl & Czakon. MIT.
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