The OKF toolkit for Claude Code — author, maintain, validate & visualize Open Knowledge Format bundles. Claude Code plugin + skills.sh.

An Agent Skill that writes original instrumental music as editable notes, then performs, mixes and masters it on free sampled instruments (CC0 or free for any use) and synthesizers. MIDI, stems and game loops; no audio-generation model.

A spreadsheet you share with your AI agents: every cell can hold a value, a formula, a terminal command, or a Claude Code or Codex agent.

Local 3D studio for game assets: image or text → 3D model → rig → animations → effects → Godot packages and sprites. Windows, NVIDIA GPU, runs fully offline.

Eleven free Claude skills that run an X account, with a virality engine behind every idea: posts off 21 hook formulas, threads, replies, profile score, weekly plan, analytics audit and a humanizer. Free, MIT.

Claude Code and Codex skills for empirical applied-micro research: reproducibility auditing, LLM-pipeline methods, event studies, WRDS, Stata, publication-grade tables

20 SEO & GEO skills for Claude Code, Cursor, Codex, and 35+ AI agents. Keyword research, content writing, technical audits, rank tracking. CORE-EEAT + CITE frameworks.

Turn Rex into a harness for your coding agent: see what it changed, review it in Neovim, send comments back. Claude Code, Codex, OpenCode, Pi.

Agent Skill evaluation harness for paired variants, trace artifacts, and runner adapters

Meet your cutest coding partner. Coco peeks at every bug you hit, and makes sure you know how smug they are about it. An unofficial fan-made companion mod for Claude Code.

GPUtw.ai official AI knowledge package — teach Claude Code, Codex CLI, Cursor, Copilot and Gemini CLI to use the GPUtw GPU cloud REST API