fix(next-config): move serverActions to experimental for Next.js 15+ compatibility

packages/payload-ai/src/tools/mcpAdapter.ts

@@ -1,9 +1,7 @@
 import { Client } from "@modelcontextprotocol/sdk/client/index.js";
 import { SSEClientTransport } from "@modelcontextprotocol/sdk/client/sse.js";
 import { StdioClientTransport } from "@modelcontextprotocol/sdk/client/stdio.js";
-import { tool } from "ai";
-import { z } from "zod";
-
+import { tool, jsonSchema } from "ai";
 /**
  * Connects to an external MCP Server and maps its tools to Vercel AI SDK Tools.
  */
@@ -54,9 +52,7 @@ export async function createMcpTools(mcpConfig: {
 
     aiSdkTools[`${mcpConfig.name}_${extTool.name}`] = tool({
       description: `[From ${mcpConfig.name}] ${extTool.description || extTool.name}`,
-      parameters: z
-        .any()
-        .describe("JSON matching the original MCP input_schema"), // Simplify for prototype
+      parameters: jsonSchema(toolSchema as any),
       // @ts-expect-error - AI strict mode overload bug with implicit zod inferences
       execute: async (args: any) => {
         const result = await client.callTool({