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agent/escort/tools/web/fetch.js

@@ -0,0 +1,34 @@
+import { TavilyExtract } from "@langchain/tavily";
+import { tool } from "@langchain/core/tools";
+import * as z from "zod"
+
+const webFetchTool = tool(
+  async ({
+    extractDepth = "basic",
+    includeImages = false,
+    format = "markdown",
+    urls = [],
+  }) => {
+    const tavilyExtract = new TavilyExtract({
+      tavilyApiKey: process.env.TAVILY_API_KEY,
+      extractDepth,
+      includeImages,
+      format
+    });
+    return await tavilyExtract._call({ urls });
+  },
+  {
+    name: "web_fetch",
+    description: "Run a web fetch",
+    schema: z.object({
+      extractDepth: z.enum(["basic", "advanced"]).default("basic"),
+      includeImages: z.boolean().default(false),
+      format: z
+        .enum(["markdown", "json"])
+        .default("markdown"),
+      urls: z.array(z.string().describe("The urls")).default([]),
+    }),
+  },
+);
+
+export { webFetchTool };