# Zyte publishes tutorial on building custom fetch tools for AI agents with Claude Agent SDK

> Zyte released a tutorial showing how to create a custom fetch tool using the Claude Agent SDK to help AI agents extract structured data from the web.

- Canonical: https://extractfeed.io/story/zyte-publishes-tutorial-on-building-custom-fetch-tools-for-a-b10db61/
- JSON: https://extractfeed.io/api/v1/stories/zyte-publishes-tutorial-on-building-custom-fetch-tools-for-a-b10db61.json
- Beat: Agents & MCP · Evidence: Primary source · Type/significance: analysis/2 · First seen: 2026-09-06T14:41:20.725609+00:00 · Updated: 2026-09-06T14:41:20.725609+00:00 · Edition: 2026-09-06
- Framing: model-written (headline, standfirst, why it matters, tags); source facts deterministic

## Briefing
- Zyte: Zyte released a tutorial showing how to create a custom fetch tool using the Claude Agent SDK to help AI agents extract structured data from the web.

## Why it matters
This tutorial addresses a key challenge for AI agents: accessing real web data reliably. By providing a practical guide for building custom fetch tools, Zyte positions itself as a bridge between agent frameworks and production-grade web extraction, potentially influencing how developers integrate scraping capabilities into agent workflows.

## Sources
- Primary source · Zyte · 2026-08-05 — [Harness Engineering, part 4: giving your agent a custom fetch tool that survives the real web](https://www.zyte.com/blog/harness-engineering-part-4-giving-your-agent-a-custom-fetch-tool-that-survives-the-real-web/)

## Watch next
Will other scraping vendors follow with similar SDK integrations for popular agent frameworks?

Topics: Zyte, Claude Agent SDK, ai-agents, web-scraping, tutorial, claude-agent-sdk, structured-data

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