symbols-mcp

/** * Window Log Messages Tool - Get LSP server log messages */ import { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js'; import { LspContext } from '../types.js'; import * as LspOperations from '../lsp/operations/index.js'; import { getLogLevelName } from '../utils/log-level.js'; /** * Get symbol for log level severity (using subtle ASCII symbols like diagnostics) */ function getLogLevelSymbol(type: number): string { switch (type) { case 1: return '✘'; // Error case 2: return '⚠'; // Warning case 3: return 'ℹ'; // Info case 4: return '•'; // Log default: return '?'; // Unknown } } /** * Format log messages into a compact, scannable format */ function formatLogMessages( messages: Array<{ type: number; message: string }> ): string { if (messages.length === 0) { return 'No window log messages available'; } // Group consecutive messages by context (e.g., same operation) const formattedMessages = messages.map((msg) => { const symbol = getLogLevelSymbol(msg.type); const level = getLogLevelName(msg.type); // Extract context from message for better organization const message = msg.message.trim(); const contextMatch = message.match(/^\[([^\]]+)\]/); const context = contextMatch ? contextMatch[1] : ''; const content = contextMatch ? message.substring(contextMatch[0].length).trim() : message; if (context) { return `${symbol} [${level}] [${context}] ${content}`; } else { return `${symbol} [${level}] ${content}`; } }); return formattedMessages.join('\n'); } export function registerWindowLogsTool( server: McpServer, createContext: () => LspContext ) { server.registerTool( 'logs', { title: 'Logs', description: 'Retrieve logs from the Language Server for troubleshooting', inputSchema: {} as const, }, () => { const ctx = createContext(); if (!ctx.client) throw new Error('LSP client not initialized'); const result = LspOperations.logs(ctx); if (!result.ok) throw new Error(result.error.message); // Format all log messages into a single compact text block const formattedLogs = formatLogMessages(result.data); return { content: [ { type: 'text' as const, text: formattedLogs, }, ], }; } ); }