21st.dev MCP
By 21st.dev · Official
Find and work with React UI components from 21st.dev directly in your coding agent.
Help your coding agent build agents on Cloudflare using the Agents SDK. Use it when adding an agent to a Cloudflare application. The skill gives your coding agent implementation guidance for working with the SDK and the surrounding platform.
Use Cloudflare Agents SDK to plan this agent feature. Inspect the installed SDK and project configuration before proposing a small implementation we can test.
Help your agent build stateful Cloudflare applications with Durable Objects. Use it when a feature needs shared state or coordinated behavior across requests. It gives your agent guidance for working with Durable Objects in a Cloudflare application.
Use Cloudflare Durable Objects to review how this feature should coordinate shared state. Explain the tradeoffs and propose a minimal testable design.
Give your agent a structured workflow for investigating page performance and identifying improvements. Use it when a page feels slow or before shipping an interface change. The workflow helps your agent investigate performance and focus its changes on the issues it finds.
Use Cloudflare Web Performance to investigate this slow page. Establish a baseline, identify the strongest evidence, and recommend changes we can measure.
Guide your agent through building and reviewing Cloudflare Workers with production development practices. Use it while building a Worker or reviewing one before deployment. It helps your agent consider platform behavior and maintainability alongside the feature itself.
Use Cloudflare Workers Best Practices to review this Worker before deployment. Explain concrete issues and propose focused fixes with validation steps.
Help your agent manage existing Wrangler projects, develop Workers, and configure Cloudflare resources using the project’s installed CLI version. Use it in an existing Wrangler project to guide local development, configuration, and deployment work. It asks the agent to inspect your project’s installed version and configuration before choosing commands.
Use the Wrangler skill to inspect this project and explain the correct local development workflow for its installed version. Identify configuration changes before applying them.