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build-mcp-app

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By anthropics/claude-plugins-official (GitHub) · design · 46,708 stars · scanned at commit dceb15d

This skill should be used when the user wants to build an "MCP app", add "interactive UI" or "widgets" to an MCP server, "render components in chat", build "MCP UI resources", make a tool that shows a "form", "picker", "dashboard" or "confirmation dialog" inline in the conversation, or mentions "apps SDK" in the context of MCP. Use AFTER the build-mcp-server skill has settled the deployment model, or when the user already knows they want UI widgets.

Works with any agent that supports SKILL.md skills.

What this skill can do

Safer alternatives

Low-risk skills in the same category (design) that look related. Check that one does what you need.

• 95 Low riskadd-app-to-serverusalu/semio · 21 stars
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• 95 Low riskcreate-mcp-appusalu/semio · 21 stars

Install

Paste this into your terminal. It downloads exactly the version we scanned, not whatever is newest.

if [ -e ~/.agents/skills/'build-mcp-app' ] || [ -L ~/.agents/skills/'build-mcp-app' ]; then echo 'A skill folder named build-mcp-app already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/anthropics/claude-plugins-official' "$d" && git -C "$d" checkout --quiet 'dceb15d50832e6adf380bedc26dde03d251324b9' -- 'plugins/mcp-server-dev/skills/build-mcp-app' && mkdir -p ~/.agents/skills && cp -R "$d"/'plugins/mcp-server-dev/skills/build-mcp-app' ~/.agents/skills/'build-mcp-app' && rm -rf "$d"; fi

Codex reads ~/.agents/skills directly. For Claude Code, Cursor, Copilot, Gemini CLI, Antigravity or OpenCode, also link it. For Claude Code: ln -s ~/.agents/skills/'build-mcp-app' ~/.claude/skills/'build-mcp-app' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.

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