diff --git a/apps/server/package.json b/apps/server/package.json
index 1147b5e06233..e3c45cbc1d9d 100644
--- a/apps/server/package.json
+++ b/apps/server/package.json
@@ -64,7 +64,7 @@
   },
   "devDependencies": {
     "@effect/vitest": "catalog:",
-    "@modelcontextprotocol/sdk": "1.29.0",
+    "@modelcontextprotocol/sdk": "1.31.0",
     "@t3tools/contracts": "workspace:*",
     "@t3tools/provider-testing": "workspace:*",
     "@t3tools/shared": "workspace:*",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index d71ce5503a18..57928cc4c5fb 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -602,7 +602,7 @@ importers:
     dependencies:
       '@anthropic-ai/claude-agent-sdk':
         specifier: ^0.3.276
-        version: 0.3.276(@anthropic-ai/sdk@0.93.0(zod@4.6.5))(@modelcontextprotocol/sdk@1.29.0(zod@4.6.5))(zod@4.6.5)
+        version: 0.3.276(@anthropic-ai/sdk@0.93.0(zod@4.6.5))(@modelcontextprotocol/sdk@1.31.0(zod@4.6.5))(zod@4.6.5)
       '@cursor/sdk':
         specifier: 1.0.35
         version: 1.0.35
@@ -701,8 +701,8 @@ importers:
         specifier: 4.0.2
         version: 4.0.2(patch_hash=595b7d26fb635caba9c3d39fcb189bb78a000192f8d3b60ead7174b310d1ade9)(@types/node@24.12.4)(@vitest/ui@5.0.1)(bufferutil@4.1.0)(effect@4.0.2(patch_hash=ec61ee307eaec3e17f757e0e6a16296ea4b7a8c3188df0c6ec5e66301fd78688))(esbuild@0.28.2)(jiti@2.7.0)(jsdom@30.1.0(@noble/hashes@1.8.0))(msw@2.12.11(@types/node@24.12.4)(typescript@7.0.2))(terser@5.48.0)(typescript@7.0.2)(unrun@0.2.39)(utf-8-validate@6.0.6)(yaml@2.9.0)
       '@modelcontextprotocol/sdk':
-        specifier: 1.29.0
-        version: 1.29.0(zod@4.6.5)
+        specifier: 1.31.0
+        version: 1.31.0(zod@4.6.5)
       '@t3tools/contracts':
         specifier: workspace:*
         version: link:../../packages/contracts
@@ -4199,8 +4199,8 @@ packages:
   '@mermaid-js/parser@1.2.1':
     resolution: {integrity: sha512-n12NohV3mrUyUL2o93IgG/ifeW9FTyeJn3zDxkhwa8MJ9Fxg3HQMlA3RiGmD/3UnJvheztkjjQAjA2T4LmUcpw==}
 
-  '@modelcontextprotocol/sdk@1.29.0':
-    resolution: {integrity: sha512-zo37mZA9hJWpULgkRpowewez1y6ML5GsXJPY8FI0tBBCd77HEvza4jDqRKOXgHNn867PVGCyTdzqpz0izu5ZjQ==}
+  '@modelcontextprotocol/sdk@1.31.0':
+    resolution: {integrity: sha512-UvTMgnNlnIBO/22ob2RcVGDlcvOslQs8T59+FTGdA0L27a39fdGF/EDETNtDVK4DZGpwomlsYpRdA8UXcVL/pw==}
     engines: {node: '>=18'}
     peerDependencies:
       '@cfworker/json-schema': ^4.1.1
@@ -12412,10 +12412,10 @@ snapshots:
       package-manager-detector: 1.8.0
       tinyexec: 1.3.1
 
-  '@anthropic-ai/claude-agent-sdk@0.3.276(@anthropic-ai/sdk@0.93.0(zod@4.6.5))(@modelcontextprotocol/sdk@1.29.0(zod@4.6.5))(zod@4.6.5)':
+  '@anthropic-ai/claude-agent-sdk@0.3.276(@anthropic-ai/sdk@0.93.0(zod@4.6.5))(@modelcontextprotocol/sdk@1.31.0(zod@4.6.5))(zod@4.6.5)':
     dependencies:
       '@anthropic-ai/sdk': 0.93.0(zod@4.6.5)
-      '@modelcontextprotocol/sdk': 1.29.0(zod@4.6.5)
+      '@modelcontextprotocol/sdk': 1.31.0(zod@4.6.5)
       zod: 4.6.5
 
   '@anthropic-ai/sdk@0.93.0(zod@4.6.5)':
@@ -15052,7 +15052,7 @@ snapshots:
     dependencies:
       '@chevrotain/types': 11.1.2
 
-  '@modelcontextprotocol/sdk@1.29.0(zod@4.6.5)':
+  '@modelcontextprotocol/sdk@1.31.0(zod@4.6.5)':
     dependencies:
       '@hono/node-server': 1.19.17(hono@4.13.7)
       ajv: 8.20.0