Frames a markdown-authoring repo as red-green-refactor with the validator as the test gate, and gives an explicit 'Definition of Done — run before every commit' block of exact commands. The Gotchas section (generated README tables, description length limit) captures the tribal knowledge that usually lives only in reviewers' heads.
By pproenca
How to install
Skill (folder)A Skill is a folder with a SKILL.md file that gives Claude extra instructions for a task.
Claude Code (project or global):
# per-project mkdir -p .claude/skills/dot-skills-validator-first-definition-of # ...or for all projects mkdir -p ~/.claude/skills/dot-skills-validator-first-definition-of # copy SKILL.md and any supporting files into that folder
Claude.ai / Claude Desktop:
Customize → Skills → “+” → Browse skills → Install. (Installed skills are view-only; download a copy to customise.)
Claude auto-detects skills in that folder — no restart needed.
Exact steps can vary per project — always double-check the original source. New to this? Read the full install guide →
Source
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