Use when working on the Chat Customizations editor — the management UI for agents, skills, instructions, hooks, prompts, MCP servers, and plugins.
This skill does not declare a tool allowlist. The agent host applies whatever default tools are available at runtime.
SKILL.md / Manifest
https://raw.githubusercontent.com/microsoft/vscode/main/.github/skills/chat-customizations-editor/SKILL.mdRegistry
github (via claudemarketplaces.com)