agent-customization

Copilot custom instructions or agents are ignored when YAML frontmatter fields are invalid or files are misplaced. This skill diagnoses discovery and routing failures by validating file placement, applyTo patterns, and frontmatter syntax for reliable invocation.

To create custom Copilot files, you need valid .instructions.md, .prompt.md, .agent.md, or SKILL.md files with correct YAML frontmatter. This skill authors these customization files with accurate keyword-based descriptions and proper applyTo pattern configuration.

Copilot customizations use different file types like copilot-instructions.md and AGENTS.md depending on the target scope. This skill helps build and modify these files with the correct YAML frontmatter, applying to workspace or user-profile setup tasks for domain knowledge.

Configuring applyTo patterns and tool restrictions requires defining specific workflow rules within your Copilot customization files. This skill designs these tool restrictions and applyTo pattern configurations to ensure your custom agents and skills attach in the correct situations.

Yes, VS Code Copilot customization applies to both workspace and user-profile setup tasks. This skill repairs and creates your customization files, ensuring valid frontmatter fields and correct file placement for either environment configuration requirement.