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build-learning-card

100 / 100 · Low risk

Fine to try.

By polar-bear-org/claude-skills (GitHub) · coding · 54 stars · scanned at commit 95f0180

Writes the one fixed account of a prototype test, producing the belief copied from the test card, what was observed as counts against the pass line, what was learned and what is still unknown. Use for "run build-learning-card", "write the learning card", "what did the prototype test show", "did we meet the pass line", "sum up the user sessions for the decision", "the story of the test keeps changing", "what do we still not know after testing", part of the Claude for Product Builders Pack by 90n.

Works with any agent that supports SKILL.md skills.

What this skill can do

We found nothing in the files we read that matches our rules. That does not prove the skill is safe: see the limits of static scanning.

Install

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

if [ -e ~/.agents/skills/'build-learning-card' ] || [ -L ~/.agents/skills/'build-learning-card' ]; then echo 'A skill folder named build-learning-card already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/polar-bear-org/claude-skills' "$d" && git -C "$d" checkout --quiet '95f01806ca43f6ee788d0579743e35853b695930' -- 'packs/product-builders-pack/skills/build-learning-card' && mkdir -p ~/.agents/skills && cp -R "$d"/'packs/product-builders-pack/skills/build-learning-card' ~/.agents/skills/'build-learning-card' && 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/'build-learning-card' ~/.claude/skills/'build-learning-card' (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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