AI coding

Skills and reusable agent instructions

• Skills vs Context Files: When to Use Each
• A Description File Is Code: Review and Ownership
• How to Keep a Skill Small Enough That the Agent Loads It
• When to Split a Skill into Two: Triggers, Steps and Overlap
• A Registry for Skills: Versioning, Ownership and Rollback
• A Skill for Every Failure: Postmortems into Agent Instructions
• Debugging a Skill That Loads but Does Not Change Behavior
• How to Write a Skill Description That Competes with Other Skills
• Versioning Skill Descriptions: Snapshots, Hashes and Rollback
• What to Put in a Skill's Body: Steps, Examples and Fallbacks
• When a Skill Description Names Two Tasks: Splitting It
• When to Merge Two Skills Back Into One
• Wiring a Skill Registry into the Router: Order and Fallbacks