PHP code example of padosoft / laravel-ai-guardrails

1. Go to this page and download the library: Download padosoft/laravel-ai-guardrails library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php. 
    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

padosoft / laravel-ai-guardrails example snippets


use Padosoft\AiGuardrails\Facades\AiGuardrails;

$safeTool = AiGuardrails::guard($refundTool); // re-scopes owner keys + validates args


$verdict = AiGuardrails::screen($userPrompt);     // ->blocked, ->ruleId, ->refusalMessage
$clean   = AiGuardrails::sanitize($modelOutput);  // HTML/markdown sanitized + PII redacted


use Padosoft\AiGuardrails\Facades\AiGuardrails;

AiGuardrails::screen(string $prompt): ScreenVerdict;                                  // Control B
AiGuardrails::sanitize(string $text): string;                                        // Control C
AiGuardrails::guard(Tool $tool, ?Closure $principalResolver = null): Tool;           // Control A
AiGuardrails::routeForApproval(Tool $tool, string $toolName, ?Closure $principalResolver = null): Tool; // Control D
AiGuardrails::isDestructive(string $toolName): bool;
AiGuardrails::validateStructured(array $output, array $schema, bool $rejectUnknown = false): array; // Control C


use Padosoft\AiGuardrails\Screening\GuardrailInputMiddleware;
use Padosoft\AiGuardrails\Output\GuardrailOutputMiddleware;
use Laravel\Ai\Contracts\HasMiddleware;

final class SupportAgent implements Agent, HasMiddleware
{
    public function middleware(): array
    {
        return [
            app(GuardrailInputMiddleware::class),  // screens + refuses + audits before the model
            app(GuardrailOutputMiddleware::class), // sanitizes $response->text + structured fields after
        ];
    }
}


use Illuminate\Support\Facades\Gate;

Gate::define('ai-guardrails:use-tool', fn ($user, string $toolClass) => $user->mayUse($toolClass));

bash
php artisan vendor:publish --tag=ai-guardrails-config

bash
php artisan vendor:publish --tag=ai-guardrails-migrations
php artisan migrate

bash
composer guardrails.php → 'mcp' => ['enabled' => true]
php artisan mcp:start ai-guardrails   # local (stdio) server