Diff-scoped mutation gate — the honest coverage check, mutating only changed lines (P3/C4).

Diff-scoped mutation probe for AI-written tests: guts each changed function and reruns only its own tests, reporting proven, hollow, one-sided, unverifiable, or no binding test — each with a replayable receipt.

Self-host the Blaka Hollow font in a neatly bundled NPM package.

Agent Hollow: visualize Claude Code sessions as a pixel-art RTS

Authorbot Phase 2 API: Hono 4 app for Cloudflare Workers with runtime-agnostic business wiring (identity, annotations, replies, Git-mirroring command flow, projection rebuild, webhook ingest)

The Firebase Authenticaton component of the Firebase JS SDK.

ES Math-related intrinsics and helpers, robustly cached.

AI player for The Hollow Grid MUD: WebSocket client with structured @event state and pluggable LLM brains.

Enables LLMs to search and evaluate Steam games — prices, discounts, reviews and Steam Deck compatibility with no API key, plus a player's library, achievements and friends via the official Steam Web API.

PNG encoder/decoder in pure JS, supporting any bit size & interlace, async & sync with full test suite.

A function to parse floating point hexadecimal strings as defined by the WebAssembly specification

Prisma Client is an auto-generated, type-safe and modern JavaScript/TypeScript ORM for Node.js that's tailored to your data. Supports PostgreSQL, CockroachDB, MySQL, MariaDB, SQL Server, SQLite & MongoDB databases.

A cute timeline component for Vue.js

A Babel preset that enables parsing of proposals supported by the current Node.js version.

Parameterised tests for Jest

Hollow CLI

ESLint rule for .only blocks in mocha tests

Delightful JavaScript Testing.

Browser running for Vitest

cloudflare preset for unenv