Google Workspace CLI — one command-line tool for Drive, Gmail, Calendar, Sheets, Docs, Chat, Admin, and more. Dynamically built from Google Discovery Service. Includes AI agent skills.

Compress tool outputs, logs, files, and RAG chunks before they reach the LLM. 20% fewer tokens for coding agents, 60-95% fewer tokens for JSON, same answers. Library, proxy, MCP server.

AI agent toolkit: unified LLM API, agent loop, TUI, coding agent CLI

Examine a GH user's profile, to help quickly decide how much to invest in their contributions.

Utility to update GitHub Actions from the CLI

npx ccusage

The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.

An agentic skills framework & software development methodology that works.

Production-grade engineering skills for AI coding agents.

A collection of Claude Code skills for academic research review. These tools were developed by Claes Bäckman.

Visualize harmony chat data and codex sessions in your browser

Learn GPU Programming in Mojo🔥 by Solving Puzzles

Turn any codebase, with its docs, SQL schemas, configs, and PDFs, into a queryable knowledge graph. A /graphify skill for Claude Code, Cursor, Codex, and Gemini CLI: local deterministic AST parsing…

WybeCoder Verified Generation of Imperative Code with LLMs

A collection of learning resources for curious software engineers

Official Compound Engineering plugin for Claude Code, Codex, Cursor, and more

Create executable documents that demonstrate an agent's work

A Git-compatible VCS that is both simple and powerful

Rust pre-commit hooks using cargo

Core POSIX command line utilities in safe Rust

Community-contributed instructions, agents, skills, and configurations to help you make the most of GitHub Copilot.

TUI macOS cleaner that scans caches/logs, shows sizes/paths, lets you select what to delete before Trash.

Actor framework for Rust.

A cookiecutter template for a best-practices Python project

Trail of Bits Claude Code skills for security research, vulnerability detection, and audit workflows

A fast and safe implementation of stackful coroutines in Rust

A command-line tool to select default applications for document types and URL schemes on Mac OS X

QIR to Quantinuum QIS Translator

Rayon: A data parallelism library for Rust

High-performance, expressive, configurable parallel computations with an iterator-style API.