From 96c49c73647ba8904a6916f070f282691111db19 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=9F=B3=E5=B2=B3=E5=B3=B0?=
 <132282304+syf2211@users.noreply.github.com>
Date: Wed, 2 Sep 2026 08:04:28 -0700
Subject: [PATCH] fix(memory): read serverInfo.version from package.json
 (#4407)

Fixes #4406. The memory server previously hardcoded serverInfo.version as
"0.6.3", which no longer matched published calendar versions. Resolve
package.json from both source and dist layouts so Docker and npm installs
report the installed package version.

Co-authored-by: syf2211 <syf2211@users.noreply.github.com>
---
 src/memory/__tests__/server-version.test.ts | 25 +++++++++++++++++++
 src/memory/index.ts                         |  4 +--
 src/memory/version.ts                       | 27 +++++++++++++++++++++
 3 files changed, 54 insertions(+), 2 deletions(-)
 create mode 100644 src/memory/__tests__/server-version.test.ts
 create mode 100644 src/memory/version.ts

diff --git a/src/memory/__tests__/server-version.test.ts b/src/memory/__tests__/server-version.test.ts
new file mode 100644
index 0000000..f9cf437
--- /dev/null
+++ b/src/memory/__tests__/server-version.test.ts
@@ -0,0 +1,25 @@
+import { describe, it, expect } from 'vitest';
+import { createRequire } from 'node:module';
+import path from 'path';
+import { fileURLToPath } from 'url';
+import { resolvePackageVersion, SERVER_VERSION } from '../version.js';
+
+const packageJson = createRequire(import.meta.url)('../package.json') as { version: string };
+
+describe('server version', () => {
+  it('uses package.json version for serverInfo', () => {
+    expect(SERVER_VERSION).toBe(packageJson.version);
+    expect(resolvePackageVersion()).toBe(packageJson.version);
+  });
+
+  it('resolves package.json from the dist layout', () => {
+    const distDir = path.join(path.dirname(fileURLToPath(import.meta.url)), '..', 'dist');
+    const distVersionPath = path.join(distDir, 'version.js');
+
+    expect(() => createRequire(distVersionPath)('./version.js')).not.toThrow();
+    const distModule = createRequire(distVersionPath)('./version.js') as {
+      SERVER_VERSION: string;
+    };
+    expect(distModule.SERVER_VERSION).toBe(packageJson.version);
+  });
+});
diff --git a/src/memory/index.ts b/src/memory/index.ts
index b8704a9..d5b862c 100644
--- a/src/memory/index.ts
+++ b/src/memory/index.ts
@@ -8,6 +8,7 @@ import { promises as fs } from 'fs';
 import path from 'path';
 import { randomBytes } from 'crypto';
 import { fileURLToPath } from 'url';
+import { SERVER_VERSION } from './version.js';
 
 // Define memory file path using environment variable with fallback
 export const defaultMemoryPath = path.join(path.dirname(fileURLToPath(import.meta.url)), 'memory.jsonl');
@@ -276,10 +277,9 @@ const RelationSchema = z.object({
   relationType: z.string().describe("The type of the relation")
 });
 
-// The server instance and tools exposed to Claude
 const server = new McpServer({
   name: "memory-server",
-  version: "0.6.3",
+  version: SERVER_VERSION,
 });
 
 const RESOURCE_URI = "memory://knowledge-graph";
diff --git a/src/memory/version.ts b/src/memory/version.ts
new file mode 100644
index 0000000..f1df958
--- /dev/null
+++ b/src/memory/version.ts
@@ -0,0 +1,27 @@
+import { createRequire } from 'node:module';
+import path from 'path';
+import { fileURLToPath } from 'url';
+
+export function resolvePackageVersion(): string {
+  const require = createRequire(import.meta.url);
+  const moduleDir = path.dirname(fileURLToPath(import.meta.url));
+  const candidates = [
+    path.join(moduleDir, 'package.json'),
+    path.join(moduleDir, '..', 'package.json'),
+  ];
+
+  for (const candidate of candidates) {
+    try {
+      const pkg = require(candidate) as { version?: string };
+      if (pkg.version) {
+        return pkg.version;
+      }
+    } catch {
+      // Try the next candidate when running from dist/ or source.
+    }
+  }
+
+  throw new Error('Could not locate package.json for server version');
+}
+
+export const SERVER_VERSION = resolvePackageVersion();