fix(mcp): read server version from package.json, rename to lens-mcp-server

src/mcp/server.ts

@@ -6,6 +6,19 @@ import { checkPaidCallTarget, parsePaidCallAllowlist, type PaidCallAllowRule } f
 import { fetchWithTimeout } from '../fetch.js';
 import { config } from '../config.js';
 import { ssrfSafeFetch, SsrfError, type SsrfFetchOptions } from '../net/ssrf.js';
+import { readFileSync } from 'fs';
+import { fileURLToPath } from 'url';
+import { join, dirname } from 'path';
+
+// Read the version from package.json at startup so it is never out of step
+// with the published package. Renamed from 'bazaar-mcp-server' to
+// 'lens-mcp-server' to reflect the containing project (client-affecting change).
+const _pkgPath = join(dirname(fileURLToPath(import.meta.url)), '../../package.json');
+const _pkg = JSON.parse(readFileSync(_pkgPath, 'utf8')) as { version: string };
+/** The version string advertised to MCP clients — sourced from package.json. */
+export const SERVER_VERSION: string = _pkg.version;
+/** The canonical MCP server name advertised to clients. */
+export const SERVER_NAME = 'lens-mcp-server';
 
 export interface McpServerConfig {
   fetchWithPayment: typeof fetch;
@@ -49,8 +62,8 @@ export class BazaarMcpServer {
     };
     this.server = new Server(
       {
-        name: 'bazaar-mcp-server',
-        version: '1.0.0',
+        name: SERVER_NAME,
+        version: SERVER_VERSION,
       },
       {
         capabilities: {

tests/mcp.test.ts

@@ -1,6 +1,20 @@
 import { describe, it, expect, vi } from 'vitest';
-import { BazaarMcpServer } from '../src/mcp/server';
+import { BazaarMcpServer, SERVER_VERSION, SERVER_NAME } from '../src/mcp/server';
 import { CallToolRequestSchema } from '@modelcontextprotocol/sdk/types.js';
+import { readFileSync } from 'fs';
+import { join } from 'path';
+
+const pkg = JSON.parse(readFileSync(join(__dirname, '../package.json'), 'utf8')) as { version: string };
+
+describe('BazaarMcpServer — server identity', () => {
+  it('advertises the version from package.json (never a hard-coded string)', () => {
+    expect(SERVER_VERSION).toBe(pkg.version);
+  });
+
+  it('uses the canonical server name lens-mcp-server (client-affecting rename from bazaar-mcp-server)', () => {
+    expect(SERVER_NAME).toBe('lens-mcp-server');
+  });
+});
 
 describe('BazaarMcpServer', () => {
   it('should map signature expiration ledger error to ERR_EXPIRED_AUTHORISATION', async () => {