Detects "stale-but-confident" memory entries — facts that were once verified but have silently drifted. Scans memory/*.md for entries past their staleness threshold and proposes re-verification or archival. Runs automatically as part of harvest-loop Step 0-c and on explicit invocation.
Install
npx skills add chrono-meta/forge-harness --skill memory-hygienenpx skills add chrono-meta/forge-harness --skill memory-hygiene -a claude-code -gnpx skills add chrono-meta/forge-harness --skill memory-hygiene -a codex -ggemini skills install https://github.com/chrono-meta/forge-harness.git --path plugins/fh-meta/skills/memory-hygienegh skill install chrono-meta/forge-harness memory-hygienegit clone --depth 1 https://github.com/chrono-meta/forge-harness /tmp/chrono-meta__forge-harness
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/chrono-meta__forge-harness/plugins/fh-meta/skills/memory-hygiene ~/.claude/skills/memory-hygiene # Claude Code
cp -R /tmp/chrono-meta__forge-harness/plugins/fh-meta/skills/memory-hygiene ~/.agents/skills/memory-hygiene # Codex, Cursor, Gemini CLI, Copilot, OpenCode