From a9a2b256bf770ee83fa978610ae3ff86bb03336a Mon Sep 17 00:00:00 2001
From: Artur Do Lago <adolago@users.noreply.github.com>
Date: Sat, 10 Jan 2026 22:54:15 +0100
Subject: [PATCH] fix(mcp): use bun instead of npx tsx for MCP servers

- bun run works more reliably for spawning child processes
- npx tsx has PATH issues when spawned as subprocess
- Enable all persona MCP servers by default

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
---
 .agent-core/agent-core.jsonc | 12 ++++++------
 src/mcp/servers/index.ts     |  6 +++---
 2 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/.agent-core/agent-core.jsonc b/.agent-core/agent-core.jsonc
index 04479486f79..ba0ddde7de1 100644
--- a/.agent-core/agent-core.jsonc
+++ b/.agent-core/agent-core.jsonc
@@ -12,18 +12,18 @@
     },
     "personas-memory": {
       "type": "local",
-      "command": ["npx", "tsx", "src/mcp/servers/memory.ts"],
-      "enabled": false
+      "command": ["bun", "run", "src/mcp/servers/memory.ts"],
+      "enabled": true
     },
     "personas-calendar": {
       "type": "local",
-      "command": ["npx", "tsx", "src/mcp/servers/calendar.ts"],
-      "enabled": false
+      "command": ["bun", "run", "src/mcp/servers/calendar.ts"],
+      "enabled": true
     },
     "personas-portfolio": {
       "type": "local",
-      "command": ["npx", "tsx", "src/mcp/servers/portfolio.ts"],
-      "enabled": false
+      "command": ["bun", "run", "src/mcp/servers/portfolio.ts"],
+      "enabled": true
     }
   },
   "tools": {
diff --git a/src/mcp/servers/index.ts b/src/mcp/servers/index.ts
index 5479ef7b9ce..af20fbec8f5 100644
--- a/src/mcp/servers/index.ts
+++ b/src/mcp/servers/index.ts
@@ -41,17 +41,17 @@ const __dirname = dirname(fileURLToPath(import.meta.url));
 export const PERSONA_MCP_SERVERS = {
   "personas-memory": {
     type: "local" as const,
-    command: ["npx", "tsx", join(__dirname, "memory.ts")],
+    command: ["bun", "run", join(__dirname, "memory.ts")],
     description: "Semantic memory storage and search via Qdrant",
   },
   "personas-calendar": {
     type: "local" as const,
-    command: ["npx", "tsx", join(__dirname, "calendar.ts")],
+    command: ["bun", "run", join(__dirname, "calendar.ts")],
     description: "Google Calendar integration for scheduling",
   },
   "personas-portfolio": {
     type: "local" as const,
-    command: ["npx", "tsx", join(__dirname, "portfolio.ts")],
+    command: ["bun", "run", join(__dirname, "portfolio.ts")],
     description: "Financial tools: portfolio, market data, SEC filings",
   },
 } as const;