Laravel Quick MCP

Effortless Model Context Protocol (MCP) server integration for Laravel applications. Register tools in a few lines and serve them over a JSON-RPC 2.0 endpoint that Claude, Cursor, and other MCP clients can talk to.

• Zero dependencies beyond illuminate/support
• Auto-discovered service provider, nothing to wire up
• Handles initialize, ping, tools/list, tools/call, notifications and batches

Installation

composer require larwell/laravel-quick-mcp

Optionally publish the config file:

php artisan vendor:publish --tag=quick-mcp-config

Usage

Register tools in the boot() method of any service provider (for example AppServiceProvider):

use Larwell\QuickMcp\McpServer;

app(McpServer::class)->tool('add', 'Add two numbers', ['a' => 'number', 'b' => 'number'],
    fn (array $args) => $args['a'] + $args['b']
);

That's it. Your MCP server is now live at POST /mcp.

Tool schemas

The third argument accepts a shorthand map (every key is a required argument) or a full JSON Schema:

app(McpServer::class)->tool('search_users', 'Find users by name', [
    'type' => 'object',
    'properties' => [
        'query' => ['type' => 'string', 'description' => 'Part of a name'],
        'limit' => ['type' => 'integer'],
    ],
    'required' => ['query'],
], fn (array $args) => User::where('name', 'like', "%{$args['query']}%")
    ->limit($args['limit'] ?? 10)
    ->get(['id', 'name']));

Handlers may return a string (sent as is) or anything JSON-serialisable (sent as JSON text). A thrown exception is returned to the client as a tool error (isError: true) instead of crashing the request.

Try it

curl -X POST http://localhost:8000/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"add","arguments":{"a":2,"b":3}}}'

Configuration

config/quick-mcp.php:

Security: the endpoint is public by default. Before you deploy, protect it with middleware, for example 'middleware' => ['auth:sanctum'].

Requirements

• PHP 8.2+
• Laravel 10, 11 or 12

License

The MIT License (MIT). See LICENSE for details.

Maintained by Larwell Technologies (https://larwell.com)