Create or edit Package.appxmanifest or appxmanifest.xml for any app type (GUI, console, service): execution aliases, file associations, protocols, capabilities, identity, app icons/tiles from one image. Use when changing what the manifest declares or replacing icons. Not for packaging or signing.
Install
npx skills add microsoft/winappCli --skill winapp-manifestnpx skills add microsoft/winappCli --skill winapp-manifest -a claude-code -gnpx skills add microsoft/winappCli --skill winapp-manifest -a codex -ggemini skills install https://github.com/microsoft/winappCli.git --path plugins/winapp/skills/winapp-manifestgh skill install microsoft/winappCli winapp-manifestgit clone --depth 1 https://github.com/microsoft/winappCli /tmp/microsoft__winappCli
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/microsoft__winappCli/plugins/winapp/skills/winapp-manifest ~/.claude/skills/winapp-manifest # Claude Code
cp -R /tmp/microsoft__winappCli/plugins/winapp/skills/winapp-manifest ~/.agents/skills/winapp-manifest # Codex, Cursor, Gemini CLI, Copilot, OpenCode