Upload local assets (images, mockups, extracted HTML, design markdown) to a Stitch project. ALWAYS use this skill when you need to upload visual assets, HTML pages, or design docs to Stitch, particularly when direct MCP tool calls fail or truncate due to base64 token limits.
Install
npx skills add google-labs-code/stitch-skills --skill stitch::upload-to-stitchnpx skills add google-labs-code/stitch-skills --skill stitch::upload-to-stitch -a claude-code -gnpx skills add google-labs-code/stitch-skills --skill stitch::upload-to-stitch -a codex -ggemini skills install https://github.com/google-labs-code/stitch-skills.git --path plugins/stitch-design/skills/upload-to-stitchgh skill install google-labs-code/stitch-skills stitch::upload-to-stitchgit clone --depth 1 https://github.com/google-labs-code/stitch-skills /tmp/google-labs-code__stitch-skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/google-labs-code__stitch-skills/plugins/stitch-design/skills/upload-to-stitch ~/.claude/skills/stitch::upload-to-stitch # Claude Code
cp -R /tmp/google-labs-code__stitch-skills/plugins/stitch-design/skills/upload-to-stitch ~/.agents/skills/stitch::upload-to-stitch # Codex, Cursor, Gemini CLI, Copilot, OpenCode