Laravel Agent Detector — AI Agent 偵測套件

composer require laravel/agent-detector

use Laravel\AgentDetector\AgentDetector;
use Laravel\AgentDetector\KnownAgent;

$result = AgentDetector::detect();

if ($result->isAgent) {
    echo "Running inside: {$result->name}";
}

// 確認是否為特定 Agent
if ($result->knownAgent() === KnownAgent::Claude) {
    echo "Hello from Claude!";
}

use function Laravel\AgentDetector\detectAgent;

$result = detectAgent();

AI_AGENT=my-custom-agent php your-script.php

$result = AgentDetector::detect();

// $result->isAgent === true
// $result->name    === 'my-custom-agent'
// $result->knownAgent() === null（未知 Agent）

<?php

namespace App\Http\Middleware;

use Closure;
use Illuminate\Http\Request;
use Laravel\AgentDetector\AgentDetector;

class DetectAiAgent
{
    public function handle(Request $request, Closure $next): mixed
    {
        $agent = AgentDetector::detect();

        if ($agent->isAgent) {
            // 將 Agent 名稱設為 request 屬性
            $request->attributes->set('ai_agent', $agent->name);
        }

        return $next($request);
    }
}

use Laravel\AgentDetector\AgentDetector;
use Illuminate\Support\Facades\Log;

$agent = AgentDetector::detect();

if ($agent->isAgent) {
    Log::withContext(['ai_agent' => $agent->name])
        ->debug('Agent request received', $request->all());
} else {
    Log::info('User request received');
}

<?php

namespace App\Http\Middleware;

use Closure;
use Illuminate\Http\Request;
use Illuminate\Routing\Middleware\ThrottleRequests;
use Laravel\AgentDetector\AgentDetector;

class ThrottleByAiAgent
{
    public function handle(Request $request, Closure $next): mixed
    {
        $agent = AgentDetector::detect();

        // AI Agent 每分鐘 10 次請求，人類 60 次
        $maxAttempts = $agent->isAgent ? 10 : 60;

        return app(ThrottleRequests::class)->handle(
            $request,
            $next,
            $maxAttempts,
        );
    }
}

use Laravel\AgentDetector\AgentDetector;

public function handle(): void
{
    $agent = AgentDetector::detect();

    if ($agent->isAgent) {
        $this->info("Running in {$agent->name} environment — verbose mode enabled.");
    }

    // 處理...
}