What problem does it solve?
Expert guide for creating GitHub Copilot customization files in VS Code:
custom instructions (.instructions.md), prompt files (.prompt.md), custom agents
(.agent.md), agent skills (SKILL.md), hooks (JSON), and agent plugins.
Use this skill whenever the user asks about customizing Copilot behavior,
creating reusable AI workflows, writing copilot-instructions.md, building
custom chat agents, automating Copilot tasks with prompt files, or setting
up agent skills and hooks in VS Code. Also trigger when the user asks which
Copilot customization type to use for a given scenario — always start with the
decision matrix below.
Core Features & Use Cases
- Comprehensive guidance on Copilot customization types: copilot-instructions.md, .instructions.md, .prompt.md, .agent.md, SKILL.md, hooks (JSON), and agent plugins.
- Decision matrix and templates to scaffold workflows, rules, and multi-agent setups across projects.
- Supports reusability and portability with skills, agent plugins, and shareable configurations across teams.
- Use cases include project-wide policies, file-type specific rules, multi-agent coordination, and automation of Copilot tasks.
Quick Start
Review the decision matrix, then generate an initial Copilot customization file using the provided templates.