ReddRadar
Agent skill
creating-claude-rules
Use when creating or fixing .claude/rules/ files - provides correct paths frontmatter (not globs), glob patterns, and avoids Cursor-specific fields like alwaysApply
Install this agent skill to your Project
npx add-skill https://github.com/aiskillstore/marketplace/tree/main/skills/agentworkforce/creating-claude-rules
SKILL.md
Creating Claude Rules
Overview
Rules in .claude/rules/ are modular instructions scoped to specific files via glob patterns. They load automatically with same priority as CLAUDE.md.
When to Use
- Creating new rules in
.claude/rules/ - Fixing rules that use wrong frontmatter (
globsinstead ofpaths) - Migrating Cursor rules to Claude format
- Organizing project-specific conventions
Quick Reference
| Field | Claude | Cursor |
|---|---|---|
| Path patterns | paths |
globs |
| Always apply | Omit paths |
alwaysApply: true |
| Description | Not documented | description |
Frontmatter
Path-Scoped Rules
---
paths:
- "src/api/**/*.ts"
- "tests/**/*.test.ts"
---
Or single pattern:
---
paths: src/**/*.{ts,tsx}
---
Global Rules
Omit frontmatter entirely - applies to all files:
# TypeScript Conventions
Use .js extensions in imports.
Common Mistakes
# ❌ WRONG - globs is Cursor format
---
globs:
- "**/*.ts"
---
# ✅ CORRECT - Claude uses paths
---
paths:
- "**/*.ts"
---
# ❌ WRONG - alwaysApply is Cursor-only
---
alwaysApply: true
---
# ✅ CORRECT - just omit paths for global rules
# (no frontmatter needed)
# ❌ WRONG - unquoted patterns
---
paths:
- **/*.ts
---
# ✅ CORRECT - quote glob patterns
---
paths:
- "**/*.ts"
---
Directory Structure
.claude/rules/
├── testing.md # Path-scoped or global
├── typescript.md
└── frontend/ # Subdirectories supported
└── react.md
Files discovered recursively. Use subdirectories to organize.
Glob Patterns
| Pattern | Matches |
|---|---|
**/*.ts |
All .ts files anywhere |
src/**/* |
Everything under src/ |
*.md |
Markdown in root only |
**/*.{ts,tsx} |
.ts and .tsx files |
{src,lib}/**/*.ts |
.ts in src/ or lib/ |
Reference
https://code.claude.com/docs/en/memory#modular-rules-with-claude/rules/
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