history-scout— reads the recent commit log as a topical index, then the diffs that match your subject, and returns a briefing instead of a dump. Claude delegates to it on its own; call it explicitly with@agent-abernier:history-scout.
/plugin marketplace add abernier/skills
/plugin install abernier@abernier-skills
claude --plugin-dir /path/to/skills
Run /reload-plugins to pick up changes without restarting.
At the repo root both manifests are present, and claude plugin validate .
reads the marketplace one. Pass the plugin manifest explicitly to validate the
plugin itself:
claude plugin validate .
claude plugin validate .claude-plugin/plugin.json
MIT