PostHog SDK for Model Context Protocol (MCP) servers — tracks tool usage, intent, and identity

Set nested properties on an object using dot notation.

JavaScript parser written in OCaml. Produces ESTree AST

JavaScript charting framework

A react component toolset for managing animations

Walk any kind of tree structure depth- or breadth-first. Supports promises and advanced map-reduce operations with a very small API.

The document client simplifies working with items in Amazon DynamoDB by abstracting away the notion of attribute values.

A finite state machine iterator for JavaScript

set blocking stdio and stderr ensuring that terminal output does not truncate

Provides perimeter-specific URL resolution and helps identify which environment a product is running in.

This package provides the list feature for Lexical.

safely create multiple ReadStream or WriteStream objects from the same file descriptor

A small fast zlib stream built on [minipass](http://npm.im/minipass) and Node.js's zlib binding.

A super-simple-small keyval store built on top of IndexedDB

A sorted list of key-value pairs in a fast, typed in-memory B+ tree with a powerful API.

Cloud-scale load testing. https://www.artillery.io

Generic options parameter handling.

Mozilla's Geckodriver for Node.js

Scalar Icons

POSIX-style getopt()