Middleware to set the Feature-Policy HTTP header

Eleventy plugin that writes Permissions-Policy and Feature-Policy headers to a `_headers` file when Eleventy builds your site.

Zero-dependency Node.js parser for the HTTP Permissions-Policy / Feature-Policy headers with typed allowlist extraction and validation

Feature Policy HTTP Header middleware

Feature policy builder.

Cloud executable protocol

help secure Express/Connect apps with various HTTP headers

ESLint plugin about ECMAScript syntactic features.

High Performance In-Memory Cache for Node.js

Per-call sandbox policy resolver and current model context: deployment fallbacks plus each session's mode and workspace root, shared by every enforcing capability family

User-approval seam (ctx.approval) for the DeepSeek Harness: one-shot permission decisions dispatched to composed answerers over the approval/request waterfall, fail-closed by default

Parse Content Security Policy directives.

[](https://www.npmjs.com/package/@aws-sdk/s3-presigned-post) [](https://www.npmjs.com/package/@

Parses Cache-Control and other headers. Helps building correct HTTP caches and proxies

ESLint plugin about ECMAScript syntactic features.

A framework for writing policy as code

Build Content Security Policy directives.

An AST-based pattern checker for JavaScript.

Give your JS App some Backbone with Models, Views, Collections, and Events.

Airtable Blocks SDK