php-agentic/Mcp/Tools/Agent/State/StateGet.php

<?php

declare(strict_types=1);

namespace Core\Mod\Agentic\Mcp\Tools\Agent\State;

use Core\Mod\Agentic\Models\AgentPlan;
use Core\Mod\Agentic\Mcp\Tools\Agent\AgentTool;

/**
 * Get a workspace state value.
 */
class StateGet extends AgentTool
{
    protected string $category = 'state';

    protected array $scopes = ['read'];

    public function name(): string
    {
        return 'state_get';
    }

    public function description(): string
    {
        return 'Get a workspace state value';
    }

    public function inputSchema(): array
    {
        return [
            'type' => 'object',
            'properties' => [
                'plan_slug' => [
                    'type' => 'string',
                    'description' => 'Plan slug identifier',
                ],
                'key' => [
                    'type' => 'string',
                    'description' => 'State key',
                ],
            ],
            'required' => ['plan_slug', 'key'],
        ];
    }

    public function handle(array $args, array $context = []): array
    {
        try {
            $planSlug = $this->require($args, 'plan_slug');
            $key = $this->require($args, 'key');
        } catch (\InvalidArgumentException $e) {
            return $this->error($e->getMessage());
        }

        $plan = AgentPlan::where('slug', $planSlug)->first();

        if (! $plan) {
            return $this->error("Plan not found: {$planSlug}");
        }

        $state = $plan->states()->where('key', $key)->first();

        if (! $state) {
            return $this->error("State not found: {$key}");
        }

        return [
            'key' => $state->key,
            'value' => $state->value,
            'category' => $state->category,
            'updated_at' => $state->updated_at->toIso8601String(),
        ];
    }
}