[DEV] Tool _webmcp_server-info: estado del servidor MCP

Muestra version, commit git, host, puerto, canales activos,
clientes conectados, registry (tools/prompts/resources),
uptime y requests pendientes. Solo modo dev.

src/websocket-server.js

@@ -2,7 +2,7 @@ import * as fs from 'fs/promises';
 import {WebSocketServer, WebSocket} from 'ws';
 import {createServer} from 'http';
 import {parse} from 'url';
-import {fork} from 'child_process';
+import {fork, execSync} from 'child_process';
 import {runMcpServer} from './server.js';
 import {
     clearTokens,
@@ -97,6 +97,17 @@ const toolsRegistry = {};
 const promptsRegistry = {};
 const resourcesRegistry = {};
 
+// Server start timestamp for uptime calculation
+const serverStartTime = Date.now();
+
+// Git commit hash (read once at startup)
+let gitCommit = 'unknown';
+try {
+    gitCommit = execSync('git rev-parse --short HEAD', { stdio: ['pipe', 'pipe', 'ignore'] }).toString().trim();
+} catch (e) {
+    // Not in a git repo or git not available
+}
+
 // Request counter for unique IDs
 let requestIdCounter = 1;
 
@@ -371,6 +382,10 @@ wss.on('connection', (ws, req) => {
                     handleGetClientInfo(ws, clientChannel, data);
                     break;
 
+                case 'getServerInfo':
+                    handleGetServerInfo(ws, data);
+                    break;
+
                 case 'clearRegistry':
                     handleClearRegistry(ws, data);
                     break;
@@ -875,6 +890,51 @@ function handleGetClientInfo(ws, callerChannel, data) {
     }));
 }
 
+// Handle getServerInfo request - return server status and stats
+function handleGetServerInfo(ws, data) {
+    const { id } = data;
+
+    const uptimeMs = Date.now() - serverStartTime;
+    const uptimeSec = Math.floor(uptimeMs / 1000);
+    const hours = Math.floor(uptimeSec / 3600);
+    const minutes = Math.floor((uptimeSec % 3600) / 60);
+    const seconds = uptimeSec % 60;
+
+    const channelsList = {};
+    for (const [channelPath, channelClients] of Object.entries(channels)) {
+        channelsList[channelPath] = channelClients.size;
+    }
+
+    const info = {
+        server: `@nucleoriofrio/webmcp v0.2.0`,
+        commit: gitCommit,
+        host: HOST,
+        port: CONFIG.port,
+        dev: !!CONFIG.dev,
+        uptime: `${hours}h ${minutes}m ${seconds}s`,
+        uptimeMs,
+        channels: channelsList,
+        totalClients: Object.values(channels).reduce((sum, ch) => sum + ch.size, 0),
+        registry: {
+            tools: Object.keys(toolsRegistry).length,
+            prompts: Object.keys(promptsRegistry).length,
+            resources: Object.keys(resourcesRegistry).length,
+        },
+        toolsList: Object.entries(toolsRegistry).map(([id, info]) => ({
+            id,
+            name: info.originalName,
+            channel: info.channel,
+        })),
+        pendingRequests: Object.keys(pendingRequests).length,
+    };
+
+    ws.send(JSON.stringify({
+        id,
+        type: 'toolResponse',
+        result: { content: [{ type: 'text', text: JSON.stringify(info, null, 2) }] }
+    }));
+}
+
 // Handle clearing all registries
 function handleClearRegistry(ws, data) {
     const {id} = data;