f1b471a219* feat(server): add bidirectional client communication support * fix(server): use correct session ID string conversion method * fix: clean up docblocks for request handler methods in Builder * fix: merge artifacts
124 lines
4.4 KiB
PHP
124 lines
4.4 KiB
PHP
<?php
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/*
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* This file is part of the official PHP MCP SDK.
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*
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* A collaboration between Symfony and the PHP Foundation.
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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require_once dirname(__DIR__).'/bootstrap.php';
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chdir(__DIR__);
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use Laminas\HttpHandlerRunner\Emitter\SapiEmitter;
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use Mcp\Schema\Content\TextContent;
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use Mcp\Schema\Enum\LoggingLevel;
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use Mcp\Schema\JsonRpc\Error as JsonRpcError;
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use Mcp\Schema\ServerCapabilities;
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use Mcp\Server;
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use Mcp\Server\ClientGateway;
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use Mcp\Server\Session\FileSessionStore;
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use Mcp\Server\Transport\StreamableHttpTransport;
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use Nyholm\Psr7\Factory\Psr17Factory;
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use Nyholm\Psr7Server\ServerRequestCreator;
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$psr17Factory = new Psr17Factory();
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$creator = new ServerRequestCreator($psr17Factory, $psr17Factory, $psr17Factory, $psr17Factory);
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$request = $creator->fromGlobals();
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$sessionDir = __DIR__.'/sessions';
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$capabilities = new ServerCapabilities(logging: true, tools: true);
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$server = Server::builder()
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->setServerInfo('HTTP Client Communication Demo', '1.0.0')
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->setLogger(logger())
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->setContainer(container())
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->setSession(new FileSessionStore($sessionDir))
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->setCapabilities($capabilities)
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->addTool(
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function (string $projectName, array $milestones, ClientGateway $client): array {
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$client->log(LoggingLevel::Info, sprintf('Preparing project briefing for "%s"', $projectName));
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$totalSteps = max(1, count($milestones));
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foreach ($milestones as $index => $milestone) {
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$progress = ($index + 1) / $totalSteps;
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$message = sprintf('Analyzing milestone "%s"', $milestone);
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$client->progress(progress: $progress, total: 1, message: $message);
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usleep(150_000); // Simulate work being done
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}
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$prompt = sprintf(
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'Draft a concise stakeholder briefing for the project "%s". Highlight key milestones: %s. Focus on risks and next steps.',
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$projectName,
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implode(', ', $milestones)
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);
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$response = $client->sample(
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prompt: $prompt,
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maxTokens: 400,
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timeout: 90,
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options: ['temperature' => 0.4]
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);
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if ($response instanceof JsonRpcError) {
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throw new RuntimeException(sprintf('Sampling request failed (%d): %s', $response->code, $response->message));
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}
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$result = $response->result;
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$content = $result->content instanceof TextContent ? trim((string) $result->content->text) : '';
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$client->log(LoggingLevel::Info, 'Briefing ready, returning to caller.');
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return [
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'project' => $projectName,
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'milestones_reviewed' => $milestones,
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'briefing' => $content,
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'model' => $result->model,
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'stop_reason' => $result->stopReason,
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];
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},
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name: 'prepare_project_briefing',
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description: 'Compile a stakeholder briefing with live logging, progress updates, and LLM sampling.'
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)
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->addTool(
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function (string $serviceName, ClientGateway $client): array {
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$client->log(LoggingLevel::Info, sprintf('Starting maintenance checks for "%s"', $serviceName));
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$steps = [
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'Verifying health metrics',
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'Checking recent deployments',
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'Reviewing alert stream',
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'Summarizing findings',
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];
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foreach ($steps as $index => $step) {
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$progress = ($index + 1) / count($steps);
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$client->progress(progress: $progress, total: 1, message: $step);
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usleep(120_000); // Simulate work being done
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}
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$client->log(LoggingLevel::Info, sprintf('Maintenance checks complete for "%s"', $serviceName));
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return [
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'service' => $serviceName,
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'status' => 'operational',
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'notes' => 'No critical issues detected during automated sweep.',
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];
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},
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name: 'run_service_maintenance',
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description: 'Simulate service maintenance with logging and progress notifications.'
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)
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->build();
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$transport = new StreamableHttpTransport($request, $psr17Factory, $psr17Factory, logger());
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$response = $server->run($transport);
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(new SapiEmitter())->emit($response);
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