Laravel AIエージェントがMCPサーバーに対応

use Laravel\Mcp\Client;

// ローカルサーバー（STDIO）
$client = Client::local('npx', ['-y', '@modelcontextprotocol/puppeteer']);
$tools = $client->tools();

// リモートサーバー（Streamable HTTP）
$client = Client::web('https://nightwatch.laravel.com/mcp');
$tools = $client->tools();

$tools = Client::web('https://mcp.example.com')
    ->withToken($token)
    ->tools();

use Laravel\Mcp\Client;
use Laravel\Mcp\Facades\Mcp;

Mcp::registerClient('nightwatch', fn () =>
    Client::web('https://nightwatch.laravel.com/mcp')->withOAuth()
);

use Laravel\Mcp\Facades\Mcp;
use Laravel\Mcp\Client\OAuth\TokenSet;

Mcp::oAuthRoutesFor('nightwatch', function (string $provider, TokenSet $token) {
    auth()->user()->update([
        'mcp_nightwatch_token' => encrypt($token->accessToken),
        'mcp_nightwatch_refresh' => encrypt($token->refreshToken),
    ]);

    return redirect('/dashboard');
}, middleware: 'auth');

<a href="{{ route('mcp.oauth.nightwatch.connect') }}">
    Connect Nightwatch
</a>

$token = Mcp::client('billing')->oAuthClient()->clientCredentials();

use Laravel\Mcp\Facades\Mcp;
use App\Tools\SendSlackMessage;

class SupportAgent extends Agent
{
    public function instructions(): string
    {
        return 'You help triage production issues.';
    }

    public function tools(): array
    {
        return [
            ...Mcp::client('nightwatch')
                ->withToken(auth()->user()->mcp_nightwatch_token)
                ->tools(),
            new SendSlackMessage,
        ];
    }
}

public function tools(): array
{
    return [
        ...Mcp::client('nightwatch')->tools(),
        ...Client::local('npx', ['-y', '@modelcontextprotocol/server-puppeteer'])->tools(),
        new SendSlackMessage,
    ];
}

use App\Mcp\Tools\CurrentWeatherTool;

public function tools(): array
{
    return [
        new CurrentWeatherTool,
        new SendSlackMessage,
    ];
}

public function tools(): array
{
    $tools = Cache::remember('mcp.nightwatch.tools', now()->addHour(), fn () =>
        Mcp::client('nightwatch')->tools()
    );

    return [...$tools, new SendSlackMessage];
}

use Laravel\Ai\Responses\Data\ToolCall;

SupportAgent::fake([
    new ToolCall('call_1', 'mcp_tools_search', ['query' => 'laravel']),
    'Found the issue.',
]);

$response = (new SupportAgent)->prompt('Find the latest error');

expect($response->toolCalls)->toHaveCount(1);
expect($response->toolResults->first()->result)->toContain('Found');