Reablocks

You will run an MCP server that uses natural language to generate production-ready React components based on the Reablocks design system. It combines language understanding with deep component knowledge, delivering responsive, accessible, and well-typed UI pieces you can drop into your projects.

How to use

You interact with the MCP server through an MCP client or integration that supports the MCP protocol. Describe what you want in plain language, such as generating a dashboard, a form with validation, or an interactive data display. The server returns ready-to-use React components with TypeScript definitions, responsive layouts, accessibility features, and built-in loading and error handling. You can then compose these components into pages, wire up data sources, and tailor styling to your app’s theme.

How to install

Prerequisites you need to prepare before running the MCP server are listed here. Ensure you have Node.js 18 or newer installed and a Cloudflare Workers account if you plan to deploy. You also need a client capable of communicating with MCP servers (such as Claude Desktop or an MCP-compatible client). Step-by-step commands are provided to create a project, install dependencies, and start the local server.

# 1) Create your MCP server project
mkdir reablocks-mcp-server
cd reablocks-mcp-server
npm init -y

# 2) Install dependencies
npm install @modelcontextprotocol/sdk zod
npm install -D typescript @types/node

# 3) Replace your src/index.ts with the enhanced server code
# (Ensure your entry point exports the MCP server as expected by your setup)

# 4) Deploy to Cloudflare Workers
wrangler deploy

# 5) Configure Claude Desktop (example MCP server config)
# Add to your claude_desktop_config.json:
{
  "mcpServers": {
    "reablocks": {
      "command": "node",
      "args": ["path/to/your/server"],
      "env": {
        "MCP_SERVER_URL": "https://your-worker.your-subdomain.workers.dev"
      }
    }
  }
}

Configuration and runtime notes

The server is designed to deploy as a Cloudflare Worker and be reachable through an MCP URL. You will configure Claude Desktop to point at your deployed MCP endpoint by supplying the appropriate environment variable that references the endpoint. The following example shows the standard runtime configuration you will set in Claude Desktop to connect your local server process with the MCP endpoint.

{
  "mcpServers": {
    "reablocks": {
      "command": "node",
      "args": ["path/to/your/server"],
      "env": {
        "MCP_SERVER_URL": "https://your-worker.your-subdomain.workers.dev"
      }
    }
  }
}

Security, errors, and maintenance

Expect helpful error messages for invalid component names, missing parameters, incompatible combinations, or malformed requests. The server caches component metadata for performance, generates optimized code, and includes error handling, loading states, and accessible semantics in every component. Maintain and update your component schemas as new Reablocks releases become available, and test generated outputs in your target environment.

Troubleshooting tips

If you encounter connection issues, verify that the MCP_SERVER_URL in your runtime environment points to a live Cloudflare Worker endpoint and that your local server process is running with the correct entry file and arguments. Check for common startup issues such as missing environment variables or incorrect paths in the command arguments.

Available tools

generate_intelligent_dashboard

Generates complete dashboard components from natural language descriptions, including layout, data visualization, and action controls.

explore_reablocks_components

Discovers and explores available Reablocks components by category or search terms.

ask_about_components

Answers questions about components and provides intelligent recommendations.

get_component_documentation

Retrieves comprehensive documentation for a specific Reablocks component.

list_all_components

Provides an overview of all available Reablocks components organized by category.