copilot-file-specs

AI coding assistant customization files require specific YAML and Markdown structures, including defined file types, locations, frontmatter attributes, and naming conventions for proper parsing and execution.

To format a custom agent file for GitHub Copilot, create an `.agent.md` Markdown file with YAML frontmatter attributes like `name`, `description`, and `tools` to ensure correct parsing and execution.

Yes, these AI assistant configuration specifications work with GitHub Copilot, Claude Code, Codex, and OpenCode providers by defining provider-specific configuration directories and file mappings.

AI coding prompts and instructions require specific frontmatter attributes defined within YAML structures, ensuring the customization files have the correct `name`, `description`, and `tools` fields for proper execution.

AI coding assistant customization files fail to parse when they do not adhere to the specified YAML and Markdown structures, required frontmatter attributes, file locations, or naming conventions.

You need specific file types like `.agent.md` for AI coding assistant workflows when setting up custom agents, skills, prompts, and instructions to ensure correct formatting and usage across various providers.