refact: Remove mastra in favor of ai sdk v5 (#1402)

Author: tlgimenes

.gitignore

@@ -40,4 +40,5 @@ dist
 kv
 kv-shm
 kv-wal
-.specstory/**
+.specstory/**
+.tsbuildinfo

.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+  "typescript.tsdk": "node_modules/typescript/lib"
+}

apps/api/package.json

@@ -9,28 +9,27 @@
   },
   "dependencies": {
     "@ai-sdk/ui-utils": "^1.2.11",
-    "@deco/actors": "npm:@jsr/[email protected].1",
+    "@deco/actors": "npm:@jsr/[email protected].2",
     "@deco/ai": "^1.0.0",
     "@deco/mcp": "npm:@jsr/[email protected]",
     "@deco/sdk": "^0.1.1",
     "@libsql/client": "^0.15.4",
-    "@modelcontextprotocol/sdk": "1.17.1",
-    "outerbase-browsable-do-enforced": "0.2.0",
+    "@modelcontextprotocol/sdk": "^1.19.1",
     "@supabase/ssr": "0.6.1",
     "@supabase/supabase-js": "2.49.4",
-    "ai": "^4.3.13",
-    "cloudflare": "^4.2.0",
+    "ai": "^5.0.61",
+    "cloudflare": "^4.5.0",
     "hono": "^4.7.7",
     "mimetext": "^3.0.27",
+    "outerbase-browsable-do-enforced": "0.2.0",
     "postal-mime": "^2.4.3",
-    "zod": "^3.24.3"
+    "zod": "^3.25.76"
   },
   "devDependencies": {
     "@cloudflare/workers-types": "^4.20250620.0",
-    "supabase": "^2.22.12",
-    "wrangler": "^4.23.0"
+    "supabase": "^2.22.12"
   },
   "engines": {
-    "node": ">=20.0.0"
+    "node": ">=24.0.0"
   }
 }

apps/api/src/api.ts

@@ -189,20 +189,28 @@ const createMCPHandlerFor = (
 
       registeredTools.add(tool.name);
 
+      const evalInputSchema =
+        tool.inputSchema instanceof z.ZodLazy
+          ? tool.inputSchema.schema
+          : tool.inputSchema;
+
+      const evalOutputSchema =
+        tool.outputSchema instanceof z.ZodLazy
+          ? tool.outputSchema.schema
+          : tool.outputSchema;
+
       server.registerTool(
         tool.name,
         {
           annotations: tool.annotations,
           description: tool.description,
           inputSchema:
-            "shape" in tool.inputSchema
-              ? (tool.inputSchema.shape as z.ZodRawShape)
+            "shape" in evalInputSchema
+              ? (evalInputSchema.shape as z.ZodRawShape)
               : z.object({}).shape,
           outputSchema:
-            tool.outputSchema &&
-            typeof tool.outputSchema === "object" &&
-            "shape" in tool.outputSchema
-              ? (tool.outputSchema.shape as z.ZodRawShape)
+            evalOutputSchema && "shape" in evalOutputSchema
+              ? (evalOutputSchema.shape as z.ZodRawShape)
               : z.object({}).shape,
         },
         // @ts-expect-error: zod shape is not typed

apps/api/src/email.ts

@@ -108,9 +108,10 @@ export function email(
         {
           id: crypto.randomUUID(),
           role: "user",
-          content: await readContent(message),
+          parts: [{ type: "text", text: await readContent(message) }],
         },
       ],
+      {}, // metadata - empty for email
       {
         threadId: originalMessageId,
         resourceId: originalMessageId,

apps/outbound/package.json

@@ -12,10 +12,7 @@
     "@supabase/ssr": "0.6.1",
     "@supabase/supabase-js": "2.49.4"
   },
-  "devDependencies": {
-    "wrangler": "^4.13.2"
-  },
   "engines": {
-    "node": ">=20.0.0"
+    "node": ">=24.0.0"
   }
 }

apps/web/package.json

@@ -10,9 +10,9 @@
     "preview": "vite preview"
   },
   "dependencies": {
-    "@ai-sdk/provider": "^1.1.3",
-    "@ai-sdk/react": "^1.2.5",
-    "@deco/actors": "npm:@jsr/[email protected].1",
+    "@ai-sdk/provider": "^2.0.0",
+    "@ai-sdk/react": "^2.0.59",
+    "@deco/actors": "npm:@jsr/[email protected].2",
     "@deco/sdk": "^0.1.1",
     "@deco/ui": "^1.0.0",
     "@gsap/react": "^2.1.2",
@@ -39,8 +39,8 @@
     "marked": "^15.0.7",
     "posthog-js": "^1.259.0",
     "prismjs": "1.30.0",
-    "react": "^19.0.0",
-    "react-dom": "^19.0.0",
+    "react": "^19.2.0",
+    "react-dom": "^19.2.0",
     "react-hook-form": "^7.55.0",
     "react-markdown": "^10.1.0",
     "react-router": "^7.4.1",
@@ -54,7 +54,7 @@
     "urlpattern-polyfill": "^10.1.0",
     "use-debounce": "^10.0.6",
     "vite-plugin-pwa": "^1.0.1",
-    "zod": "^3.24.3"
+    "zod": "^3.25.76"
   },
   "devDependencies": {
     "@react-scan/vite-plugin-react-scan": "^0.1.8",
@@ -64,10 +64,10 @@
     "@types/react": "^19.0.10",
     "@types/react-syntax-highlighter": "^15.5.13",
     "@types/react-dom": "^19.0.4",
-    "@vitejs/plugin-react-swc": "^3.8.0",
+    "@vitejs/plugin-react-swc": "^4.1.0",
     "react-scan": "^0.4.3",
     "tailwindcss": "^4.1.1",
     "vite-plugin-inspect": "^11.3.0",
-    "vite": "^7.0.5"
+    "vite": "^7.1.8"
   }
 }