copilot-plugin

Validate Copilot CLI plugin files by checking SKILL.md frontmatter for required name and description fields, verifying optional fields, and confirming proper resource directory references to enforce consistent plugin definitions and warn about missing resources.

Required Copilot CLI plugin SKILL.md frontmatter includes name and description fields. The validation process also checks optional fields, resource directories, and references to ensure proper structure across skills, agents, and prompts within a repository.

Scaffold new Copilot CLI plugins using established templates for SKILL.md, AGENTS.md, and the standard directory layout. This provides a guided workflow for adding skills, agents, prompts, references, and MCP server extensions following best-practice guidance.

Yes, Copilot CLI plugin validation applies to Skill units, agents, prompts, and path-specific instructions within a repository. It enforces frontmatter presence and proper structure across all these elements to ensure reliable skill discovery and execution.

Common issues with Copilot CLI plugin customization files include missing frontmatter, invalid names, missing resources, and incorrect directory references. The validation process catches these issues and warns about potential problems to ensure consistent plugin definitions.