Agent skill

learn

Persistent memory system for storing and recalling learnings across sessions. AUTO-INVOKE THIS SKILL when you: - Fix a non-obvious bug (store as "bug") - Discover a useful code pattern (store as "pattern") - Encounter a gotcha or edge case (store as "gotcha") - Find a useful tool/library feature (store as "tool") - Make a performance optimization (store as "perf") - Discover configuration that solved a problem (store as "config") - Make an architecture decision with rationale (store as "arch") - Find a useful testing insight (store as "test") Also invoke when user says: "remember this", "store learning", "recall learnings", "what did we learn", "lessons learned"

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Install this agent skill to your Project

npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/other/other/learn-darkroomengineering-cc-settings

SKILL.md

Persistent Learning System

Store learnings that survive across Claude Code sessions. Proactively store learnings when you discover something valuable - don't wait for the user to ask.

Auto-Store Triggers

Store a learning AUTOMATICALLY when:

  • You fix a bug that wasn't immediately obvious
  • You discover why something was breaking
  • You find a workaround for a limitation
  • You make a decision that future sessions should know about
  • You encounter behavior that was unexpected
  • You find a pattern that works well in this codebase

Actions

Store a learning

bash
bash ~/.claude/scripts/learning.sh store "<category>" "<learning>" "[context]"

Categories: bug, pattern, gotcha, tool, perf, config, arch, test

Examples:

bash
# After fixing a hydration error
bash ~/.claude/scripts/learning.sh store "bug" "useAuth hook causes hydration mismatch - wrap in dynamic import with ssr:false"

# After discovering a pattern
bash ~/.claude/scripts/learning.sh store "pattern" "Always use Image wrapper from @/components/image, not next/image directly"

# After hitting a gotcha
bash ~/.claude/scripts/learning.sh store "gotcha" "Biome ignores .mdx files by default - add to biome.json includes"

# After a tool discovery
bash ~/.claude/scripts/learning.sh store "tool" "Use 'bun --bun' flag to enable native Bun APIs in scripts"

Recall learnings

bash
bash ~/.claude/scripts/learning.sh recall [filter] [value]

Filters:

  • all - All learnings for current project
  • all-projects - List all projects with learnings
  • category <cat> - Filter by category
  • search <keyword> - Search in learning text
  • recent <n> - Most recent n learnings

Delete a learning

bash
bash ~/.claude/scripts/learning.sh delete <id>

Storage

Learnings are stored per-project at ~/.claude/learnings/<project>/learnings.json

Best Practices

  1. Be specific - Include the actual fix, not just "fixed the bug"
  2. Include context - What file, what component, what was the symptom
  3. Store immediately - Don't wait until end of session
  4. Categorize correctly - Helps with recall later

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