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#!/usr/bin/env php |
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<?php |
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declare(strict_types=1); |
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/** |
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* Semantic Profiler MCP Server |
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* |
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* AI-powered performance analysis through structured semantic profiling. |
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* Fulfilling the vision of Semantic Web - machines understanding meaning. |
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*/ |
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$logDirectory = $argv[1] ?? null; |
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if (! $logDirectory) { |
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fwrite(STDERR, "Usage: php server.php <log-directory>\n"); |
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exit(1); |
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} |
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if (! is_dir($logDirectory)) { |
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fwrite(STDERR, "Directory not found: $logDirectory\n"); |
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exit(1); |
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} |
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// Find the latest semantic log file |
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$pattern = rtrim($logDirectory, '/') . '/semantic-dev-*.json'; |
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$files = glob($pattern); |
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if (empty($files)) { |
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fwrite(STDERR, "No semantic log files found in directory: $logDirectory\n"); |
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exit(1); |
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} |
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// Sort by modification time, get the latest |
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usort($files, static fn ($a, $b) => filemtime($b) <=> filemtime($a)); |
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$logFile = $files[0]; |
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fwrite(STDERR, "Using latest log file: $logFile\n"); |
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// Make log directory available globally for runAndAnalyze function |
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$GLOBALS['logDirectory'] = $logDirectory; |
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// Handle JSON-RPC requests from STDIN |
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while ($line = fgets(STDIN)) { |
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$request = json_decode(trim($line), true); |
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if (! $request) { |
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continue; |
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} |
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$response = match ($request['method'] ?? '') { |
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'initialize' => [ |
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'jsonrpc' => '2.0', |
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'id' => $request['id'], |
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'result' => [ |
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'protocolVersion' => '2024-11-05', |
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'serverInfo' => ['name' => 'semantic-profiler', 'version' => '1.0.0'], |
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'capabilities' => [ |
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'tools' => (object) [], |
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], |
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], |
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], |
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'tools/list' => [ |
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'jsonrpc' => '2.0', |
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'id' => $request['id'], |
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'result' => [ |
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'tools' => [ |
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[ |
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'name' => 'getSemanticProfile', |
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'description' => 'Retrieve latest semantic performance profile - structured data designed for AI understanding and insight generation', |
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'inputSchema' => [ |
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'type' => 'object', |
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'properties' => (object) [], |
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], |
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], |
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[ |
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'name' => 'semanticProfileAndAnalyze', |
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'description' => 'Execute PHP script with semantic profiling enabled, then automatically generate AI-powered performance insights and recommendations', |
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'inputSchema' => [ |
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'type' => 'object', |
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'properties' => [ |
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'script' => [ |
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'type' => 'string', |
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'description' => 'Path to PHP script to execute', |
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], |
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'xdebug_mode' => [ |
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'type' => 'string', |
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'description' => 'Xdebug mode (default: trace)', |
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'default' => 'trace', |
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], |
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], |
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'required' => ['script'], |
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], |
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], |
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], |
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], |
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], |
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'tools/call' => [ |
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'jsonrpc' => '2.0', |
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'id' => $request['id'], |
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'result' => handleToolCall($request['params'], $logFile), |
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], |
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default => [ |
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'jsonrpc' => '2.0', |
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'id' => $request['id'] ?? null, |
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'error' => ['code' => -32601, 'message' => 'Method not found'], |
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] |
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}; |
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fwrite(STDOUT, json_encode($response) . "\n"); |
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} |
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function getLog(string $file): array |
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{ |
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$content = file_get_contents($file); |
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return json_decode($content, true) ?: ['error' => 'Invalid log format']; |
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} |
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function handleToolCall(array $params, string $logFile): array |
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{ |
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$toolName = $params['name'] ?? ''; |
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if ($toolName === 'getSemanticProfile') { |
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$logData = getLog($logFile); |
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return [ |
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'content' => [ |
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[ |
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'type' => 'text', |
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'text' => json_encode($logData, JSON_PRETTY_PRINT), |
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], |
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], |
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'isError' => false, |
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]; |
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} |
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if ($toolName === 'semanticProfileAndAnalyze') { |
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return semanticProfileAndAnalyze($params['arguments'] ?? []); |
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} |
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return [ |
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'content' => [ |
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[ |
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'type' => 'text', |
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'text' => 'Unknown tool: ' . $toolName, |
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], |
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], |
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'isError' => true, |
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]; |
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} |
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function semanticProfileAndAnalyze(array $args): array |
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{ |
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$script = $args['script'] ?? ''; |
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$xdebugMode = $args['xdebug_mode'] ?? 'trace'; |
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if (! $script) { |
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return [ |
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'content' => [ |
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[ |
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'type' => 'text', |
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'text' => 'Error: script parameter is required', |
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], |
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], |
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'isError' => true, |
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]; |
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} |
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if (! file_exists($script)) { |
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return [ |
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'content' => [ |
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[ |
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'type' => 'text', |
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'text' => "Error: Script not found: $script", |
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], |
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], |
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'isError' => true, |
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]; |
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} |
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// Record time before execution to find newly created log files |
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$beforeExecution = time(); |
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// Execute the PHP script with profiling using php-dev.ini |
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$env = "XDEBUG_MODE=$xdebugMode XDEBUG_CONFIG='compression_level=0'"; |
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$phpDevIni = __DIR__ . '/php-dev.ini'; |
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$command = "$env php -c " . escapeshellarg($phpDevIni) . " " . escapeshellarg($script) . ' 2>&1'; |
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$output = shell_exec($command); |
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// Find semantic log files created during script execution |
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$logDirectory = $GLOBALS['logDirectory']; |
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$pattern = rtrim($logDirectory, '/') . '/semantic-dev-*.json'; |
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$files = glob($pattern); |
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$newLogFiles = array_filter($files, static fn ($file) => filemtime($file) >= $beforeExecution); |
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if (empty($newLogFiles)) { |
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return [ |
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'content' => [ |
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[ |
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'type' => 'text', |
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'text' => "Script executed but no new semantic log generated.\nOutput:\n$output", |
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], |
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], |
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'isError' => false, |
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]; |
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} |
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// Get the newest log file from this execution |
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usort($newLogFiles, static fn ($a, $b) => filemtime($b) <=> filemtime($a)); |
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$executionLog = $newLogFiles[0]; |
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// Load and return the log data |
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$logData = getLog($executionLog); |
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return [ |
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'content' => [ |
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[ |
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'type' => 'text', |
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'text' => "Script executed successfully.\nLog file: $executionLog\n\nSemantic Log Data:\n" . json_encode($logData, JSON_PRETTY_PRINT), |
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], |
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], |
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'isError' => false, |
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]; |
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} |
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bearsunday /
BEAR.Resource
