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cofounder

85 / 100 · Low risk

Fine to try.

By tonydzi/second-brain-starter-kit (GitHub) · coding · 15 stars · scanned at commit 1e330b2

Spar with the founder as a synthetic cofounder on business questions (revenue, funnel, pricing, fundraising, debt, hiring, runway) with numbered objections and no flattery, arguing to consensus instead of agreeing. Not a coach and not a chatbot. Triggers: "/cofounder", or any strategic business question.

Works with any agent that supports SKILL.md skills.

What this skill can do

Install

Paste this into your terminal. It downloads exactly the version we scanned, not whatever is newest.

if [ -e ~/.agents/skills/'cofounder' ] || [ -L ~/.agents/skills/'cofounder' ]; then echo 'A skill folder named cofounder already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/tonydzi/second-brain-starter-kit' "$d" && git -C "$d" checkout --quiet '1e330b279e183cf0eef80bf6c6cb7e3e16a4e1bb' -- 'skills/cofounder' && mkdir -p ~/.agents/skills && cp -R "$d"/'skills/cofounder' ~/.agents/skills/'cofounder' && rm -rf "$d"; fi

Codex reads ~/.agents/skills directly. For Claude Code, Cursor, Copilot, Gemini CLI, Antigravity or OpenCode, also link it. For Claude Code: ln -s ~/.agents/skills/'cofounder' ~/.claude/skills/'cofounder' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.

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