An ES-spec-compliant shim/polyfill/replacement for the `.cause` property on all Error types that works as far down as ES3

Miller Rabin algorithm for primality test

Deceive HTTP parser

plug'n'play resolver for Webpack

Binary plist parser.

Backward compatible custom ApiDOM errors with causes.

Query cursor extension for node-postgres

Types for OpenAPI documents.

Local Summer CLI and MCP server for Summer Engine. Install and run the engine, connect Claude Code, Cursor, Codex, Gemini, and other agents, and build real games with bundled skills, hooks, and plugins.

CSS value parser

Parse JSON with more helpful errors

vlts Error.cause convention

Rayfin docs indexing and search library — used by the MCP server, CLI, and other doc-facing surfaces

Shared utilities for Rayfin tools packages

just emit 'log' events on the process object

iOS-like wheel picker for React with smooth inertia scrolling and infinite loop support.

TypeScript library for code-first Data API Builder configuration generation

A Node.js PostgreSQL client with strict types, detailed logging and assertions.

Shared library utilities and HTTP client foundation for the Rayfin platform

Tests whether one path is inside another path