Fix remaining errors when running as MCP Bundle

The key problem was that the script path comparison would fail because of the
way that path was encoded.

The other changes are cosmetic to get the version number consistent and provide
a more complete response to the initialize command (matching what other
examples do).

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

Author: dirkhh

src/readsb_mcp_server.ts

@@ -17,6 +17,16 @@ import {
   ReadResourceRequestSchema,
 } from '@modelcontextprotocol/sdk/types.js';
 import axios from 'axios';
+import { readFileSync } from 'fs';
+import { dirname, join } from 'path';
+import { fileURLToPath } from 'url';
+
+// Get version from package.json
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = dirname(__filename);
+const packageJsonPath = join(__dirname, '../../package.json');
+const packageJson = JSON.parse(readFileSync(packageJsonPath, 'utf8'));
+const VERSION = packageJson.version;
 
 // Configure logging to stderr to avoid interfering with stdio protocol
 const logger = {
@@ -105,8 +115,8 @@ class ReadsbMCPServer {
 
     logger.debug('Creating MCP Server instance...');
     this.server = new Server({
-      name: 'readsb-mcp',
-      version: '1.0.0',
+      name: 'adsb-mcp-server',
+      version: VERSION,
     }, {
       capabilities: {
         resources: {},
@@ -129,12 +139,18 @@ class ReadsbMCPServer {
       const response = {
         protocolVersion: '2025-06-18',
         capabilities: {
-          resources: {},
-          tools: {},
+          resources: {
+            subscribe: false,
+            listChanged: false
+          },
+          tools: {
+            listChanged: false
+          },
+          experimental: {},
         },
         serverInfo: {
-          name: 'readsb-mcp',
-          version: '1.0.0',
+          name: 'adsb-mcp-server',
+          version: VERSION,
         },
       };
       logger.info(`Sending initialize response: ${JSON.stringify(response)}`);
@@ -1157,11 +1173,23 @@ async function main() {
   logger.debug('server finished');
 }
 
-if (import.meta.url === `file://${process.argv[1]}`) {
-  logger.debug('Starting MCP server main process...');
+// Check if this file is being run directly (not imported)
+// Handle URL encoding differences between import.meta.url and process.argv[1]
+const currentFileUrl = import.meta.url.replace(/%20/g, ' ');
+const scriptPath = process.argv[1];
+const isMainModule = currentFileUrl === `file://${scriptPath}` ||
+                     currentFileUrl.endsWith(scriptPath) ||
+                     currentFileUrl.includes(scriptPath.replace(/\\/g, '/'));
+
+if (isMainModule) {
+  logger.info('Starting MCP server main process...');
   main().catch((error) => {
     logger.error(`Server error: ${error}`);
     logger.error(`Error stack: ${error instanceof Error ? error.stack : 'No stack trace'}`);
     process.exit(1);
   });
+} else {
+  logger.debug(`scriptPath: ${scriptPath}`);
+  logger.debug(`currentFileUrl: ${currentFileUrl}`);
+  logger.debug('Importing MCP server as a module...');
 }