Executable Documentation

⌥ AI Coding agent for the terminal — hash-anchored edits, optimized tool harness, LSP, Python, browser, subagents, and more

an open source, extensible AI agent that goes beyond code suggestions - install, execute, edit, and test with any LLM

Light, fluffy, and always free - The AWS Local Emulator alternative

Build, run, and manage agent platforms.

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.

A workshop-ready HR assistant that shows how semantic caching changes the behavior, cost, and latency of an LLM-backed application.

Learn ML engineering for free in 4 months! Register here 👇🏼

Toolkit for rapid development of GOV.UK services

Smart tmux session manager

CLI proxy that reduces LLM token consumption by 60-90% on common dev commands. Single Rust binary, zero dependencies

CLI for common Playwright actions. Record and generate Playwright code, inspect selectors and take screenshots.

Transparent grep/find → rg/fd translators for LLM coding agents

Easily switch between alternative low-cost AI models in Claude Code/Agent SDK. For those comfortable using Claude agents and commands, it lets you take what you've created and deploy fully hosted a…

Testcontainers is a NodeJS library that supports tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.

An embeddable multi-dimensional semantic layer and self-service analytics module (built on Drizzle) - broadly compliant with cube-js concepts and semantic definitions.

The fastest way to create an HTML app

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

A step by step guide of how to start contracting in United Kingdom

📄 Configuration files that enhance Cursor AI editor experience with custom rules and behaviors

aider is AI pair programming in your terminal

The Finch CLI is an open source client for container development

A suite of tools to develop RAG, semantic search, and other AI applications more easily with PostgreSQL

An AWS Custom Authorizer for AWS Gateway that support Auth0 Bearer tokens.

Meteor full-stack instrumentations for OpenTelemetry tracing

The first "code-first" agent framework for seamlessly planning and executing data analytics tasks.

Semantic cache for LLMs. Fully integrated with LangChain and llama_index.

JS port and JS/WASM bindings for openai/tiktoken

NeMo Guardrails is an open-source toolkit for easily adding programmable guardrails to LLM-based conversational systems.