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---
name: feedback-loop
description: Update CLAUDE.md or rules when patterns of errors emerge
triggers: repeated errors, learning from mistakes, updating rules, improving CLAUDE.md, capturing conventions, documenting patterns
---
# Feedback Loop
When Claude makes the same mistake repeatedly, capture the learning.
## When to Use
- Same error type 2+ times
- Project convention violated
- Important pattern discovered
## Process
1. **Identify Pattern** - What mistake? What's correct?
2. **Choose Location**
- Project-specific: Add to project's `CLAUDE.md`
- Global: Add to `~/.claude/rules/` via Nix
3. **Write the Rule**
4. **Verify** - Clear and actionable?
## Example
After repeatedly missing `--impure` flag:
```markdown
## Nix Flakes
- Always use `--impure` flag (required for private submodule)
- Use `rebuild` alias instead of raw commands
```
