Execute a listener when a response is about to write headers

A Node.js fetch shim using built-in Request, Response, and Headers (but without native fetch)

Parse http headers, works with browserify/xhr

A native "Headers" class polyfill.

A Minipass stream that raises an error if you get a different number of bytes than expected

Caseless object set/get/has, very useful when working with HTTP headers.

Implementation of Structured Field Values for HTTP (RFC9651, RFC8941)

Expo module implementation of a parser based on https://httpwg.org/specs/rfc8941.html

A toolkit for working with HTTP headers in JavaScript

Synchronous and asynchronous XMLHttpRequest for Node

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ShieldNet Security Scanner — MCP Server for AI Agent Security Governance. Scans URLs for XSS, SQLi, SSTI, CORS misconfig, missing headers, info disclosure, and more. Returns ALLOW/WARN/BLOCK governance decisions.

HTTP server mocking and expectations library for Node.js

A response-like object for mocking a Node.js HTTP response stream

An HTTP(s) proxy `http.Agent` implementation for HTTP

A light-weight module that brings Fetch API to node.js

> Compatibility Layer for the Headers class

A Headers class polyfill and transformation library.

help secure Express/Connect apps with various HTTP headers

Bare minimum fetch polyfill in 500 bytes