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cloudflare · Cloudflare Workers Docs

Workers Alter headers

Implementation patterns for adding, modifying, or removing HTTP headers in both incoming requests and outgoing responses using Cloudflare Workers.

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Derived skill

Files assembled from official documentation

Viewing SKILL.md

Workers Alter headers

Implementation patterns for adding, modifying, or removing HTTP headers in both incoming requests and outgoing responses using Cloudflare Workers.

When To Use

Use when you need to implement middleware that modifies HTTP request headers or manipulates response headers in a Cloudflare Worker environment.

Reference Files

FileContainsUse For
SKILL.mdEntry point: scope, routing table, and workflow.Start here.
docs/workers-examples-alter-headers-workflow-guide.mdA markdown example demonstrating how to add, modify, or remove headers in a Cloudflare Workers request or response.Questions about a markdown example demonstrating how to add, modify, or remove headers in a Cloudflare Workers request or response.
examples/workers-examples-alter-headers-cloudflare-workers-alter-headers-javascri.textA JavaScript example demonstrating how to append and delete HTTP headers using the Cloudflare Workers Fetch API.Exact payloads, commands, or snippets shown in A JavaScript example demonstrating how to append and delete HTTP headers using the Cloudflare Workers Fetch API.
examples/workers-examples-alter-headers-cloudflare-workers-alter-headers-javascri-2.textA JavaScript example demonstrating how to clone a response and append or delete custom HTTP headers within a Cloudflare Worker.Exact payloads, commands, or snippets shown in A JavaScript example demonstrating how to clone a response and append or delete custom HTTP headers within a Cloudfla...
examples/workers-examples-alter-headers-cloudflare-workers-python-alter-headers.textA Python script demonstrating how to intercept a fetch request and modify response headers within a Cloudflare Worker.Exact payloads, commands, or snippets shown in A Python script demonstrating how to intercept a fetch request and modify response headers within a Cloudflare Worker.
examples/workers-examples-alter-headers-cloudflare-workers-hono-alter-headers.textA Hono middleware implementation for Cloudflare Workers that demonstrates how to append and delete response headers.Exact payloads, commands, or snippets shown in A Hono middleware implementation for Cloudflare Workers that demonstrates how to append and delete response headers.

What This Skill Covers

  • Example of how to add, change, or delete headers sent in a request or returned in a response.
  • Main sections: Tags.

Workflow

  1. Open the most relevant file under docs/ for the exact documented workflow and wording.
  2. Open schemas/ files for exact structured contracts.
  3. Open examples/ files for concrete requests, commands, snippets, and manifests.
  4. Do not add behavior or configuration that is not present in the attached source files.

Canonical source: https://developers.cloudflare.com/workers/examples/alter-headers