diff --git a/mcp-gateway/erpnext-mcp/src/tools/buying.ts b/mcp-gateway/erpnext-mcp/src/tools/buying.ts
deleted file mode 100644
index 9c2a0f5..0000000
--- a/mcp-gateway/erpnext-mcp/src/tools/buying.ts
+++ /dev/null
@@ -1,141 +0,0 @@
-import { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
-import { ERPNextClient, truncateResponse } from "../services/erpnext-client.js";
-import { z } from "zod";
-
-export function registerBuyingTools(server: McpServer, client: ERPNextClient): void {
-
-  // ─── 31. Make Purchase Order from MR ───────────────────
-  server.registerTool(
-    "erpnext_make_purchase_order_from_mr",
-    {
-      title: "Make Purchase Order from Material Request",
-      description: `Create a Purchase Order from a Material Request.`,
-      inputSchema: z.object({ source_name: z.string().describe("Material Request name") }).strict(),
-      annotations: { readOnlyHint: false, destructiveHint: false, idempotentHint: false, openWorldHint: true },
-    },
-    async (params) => {
-      try {
-        const result = await client.callMethod(
-          "erpnext.stock.doctype.material_request.material_request.make_purchase_order",
-          { source_name: params.source_name }
-        );
-        return { content: [{ type: "text", text: truncateResponse(JSON.stringify(result, null, 2)) }] };
-      } catch (error) {
-        return { isError: true, content: [{ type: "text", text: `Error: ${(error as Error).message}` }] };
-      }
-    }
-  );
-
-  // ─── 32. Make Purchase Receipt from PO ─────────────────
-  server.registerTool(
-    "erpnext_make_purchase_receipt_from_po",
-    {
-      title: "Make Purchase Receipt from Purchase Order",
-      description: `Create a Purchase Receipt from a submitted Purchase Order.`,
-      inputSchema: z.object({ source_name: z.string().describe("Purchase Order name") }).strict(),
-      annotations: { readOnlyHint: false, destructiveHint: false, idempotentHint: false, openWorldHint: true },
-    },
-    async (params) => {
-      try {
-        const result = await client.callMethod(
-          "erpnext.buying.doctype.purchase_order.purchase_order.make_purchase_receipt",
-          { source_name: params.source_name }
-        );
-        return { content: [{ type: "text", text: truncateResponse(JSON.stringify(result, null, 2)) }] };
-      } catch (error) {
-        return { isError: true, content: [{ type: "text", text: `Error: ${(error as Error).message}` }] };
-      }
-    }
-  );
-
-  // ─── 33. Make Purchase Invoice from PO ─────────────────
-  server.registerTool(
-    "erpnext_make_purchase_invoice_from_po",
-    {
-      title: "Make Purchase Invoice from Purchase Order",
-      description: `Create a Purchase Invoice from a submitted Purchase Order.`,
-      inputSchema: z.object({ source_name: z.string().describe("Purchase Order name") }).strict(),
-      annotations: { readOnlyHint: false, destructiveHint: false, idempotentHint: false, openWorldHint: true },
-    },
-    async (params) => {
-      try {
-        const result = await client.callMethod(
-          "erpnext.buying.doctype.purchase_order.purchase_order.make_purchase_invoice",
-          { source_name: params.source_name }
-        );
-        return { content: [{ type: "text", text: truncateResponse(JSON.stringify(result, null, 2)) }] };
-      } catch (error) {
-        return { isError: true, content: [{ type: "text", text: `Error: ${(error as Error).message}` }] };
-      }
-    }
-  );
-
-  // ─── 34. Close/Reopen Purchase Order ───────────────────
-  server.registerTool(
-    "erpnext_update_purchase_order_status",
-    {
-      title: "Close/Reopen Purchase Order",
-      description: `Close or reopen a Purchase Order.`,
-      inputSchema: z.object({
-        name: z.string(),
-        status: z.enum(["Closed", "Re-open"]),
-      }).strict(),
-      annotations: { readOnlyHint: false, destructiveHint: false, idempotentHint: true, openWorldHint: true },
-    },
-    async (params) => {
-      try {
-        await client.callMethod("erpnext.buying.doctype.purchase_order.purchase_order.update_status", {
-          status: params.status === "Re-open" ? "Draft" : params.status,
-          name: params.name,
-        });
-        return { content: [{ type: "text", text: `Purchase Order ${params.name} status updated.` }] };
-      } catch (error) {
-        return { isError: true, content: [{ type: "text", text: `Error: ${(error as Error).message}` }] };
-      }
-    }
-  );
-
-  // ─── 35. Make Supplier Quotation from MR ───────────────
-  server.registerTool(
-    "erpnext_make_supplier_quotation_from_mr",
-    {
-      title: "Make Supplier Quotation from Material Request",
-      description: `Create a Supplier Quotation from a Material Request.`,
-      inputSchema: z.object({ source_name: z.string() }).strict(),
-      annotations: { readOnlyHint: false, destructiveHint: false, idempotentHint: false, openWorldHint: true },
-    },
-    async (params) => {
-      try {
-        const result = await client.callMethod(
-          "erpnext.stock.doctype.material_request.material_request.make_supplier_quotation",
-          { source_name: params.source_name }
-        );
-        return { content: [{ type: "text", text: truncateResponse(JSON.stringify(result, null, 2)) }] };
-      } catch (error) {
-        return { isError: true, content: [{ type: "text", text: `Error: ${(error as Error).message}` }] };
-      }
-    }
-  );
-
-  // ─── 36. Make RFQ from MR ──────────────────────────────
-  server.registerTool(
-    "erpnext_make_rfq_from_mr",
-    {
-      title: "Make Request for Quotation from Material Request",
-      description: `Create a Request for Quotation from a Material Request.`,
-      inputSchema: z.object({ source_name: z.string() }).strict(),
-      annotations: { readOnlyHint: false, destructiveHint: false, idempotentHint: false, openWorldHint: true },
-    },
-    async (params) => {
-      try {
-        const result = await client.callMethod(
-          "erpnext.stock.doctype.material_request.material_request.make_request_for_quotation",
-          { source_name: params.source_name }
-        );
-        return { content: [{ type: "text", text: truncateResponse(JSON.stringify(result, null, 2)) }] };
-      } catch (error) {
-        return { isError: true, content: [{ type: "text", text: `Error: ${(error as Error).message}` }] };
-      }
-    }
-  );
-}