block

An open-source AI agent that runs locally and automates complex development tasks from start to finish. Beyond code suggestions, it can build entire projects, write and execute code, debug issues, and interact with external APIs autonomously.

A hive mind communication platform.

Manage AI rules, commands, and skills across multiple coding agents from one place.

Text-ray goggles for your Android UI. Print the view hierarchy or Jetpack Compose tree as a string for debugging and bug reports.

AI-driven UI testing framework for Android — describe what you want to test in plain language and let the agent drive the app.

Schema-driven, scalable, cloud-native, batteries-included GraphQL framework backed by Elasticsearch and OpenSearch.

Sublime MySQL monitoring. A modern, extensible MySQL metrics collector and monitor written in Go.

CLI and IntelliJ plugin for formatting Kotlin code with consistent style enforcement via ktfmt.

Incubating AI projects to operate millions of lines of code.

Super-fast application-level pass-through cache.

Local task queue for AI agents that prevents multiple agents from running expensive operations concurrently and thrashing your machine.

Planning with agents — a collaborative planning tool for AI coding workflows.

MCP server that exposes Xcode's project index to AI coding agents.

Agentic code review tool that gives PR reviewers conceptual clarity and competent backpressure against the AI-generated PR firehose.

Marketplace for agent skills, a hub for sharing and discovering reusable agent capabilities.

macOS utility that screen-captures a QR code on your display and launches it in an Android emulator or iOS simulator.

CLI for running coding agents in a loop. Drive long-running agent workflows from the terminal with structured iteration.

MCP server that gives AI agents the ability to control and execute code in Jupyter notebooks.

Mempool-based Bitcoin fee estimation library from Block, helping wallets and services predict on-chain transaction fees.

High-confidence document Q&A system for complex docs, designed to reduce LLM hallucinations on dense technical material.

A prepare-commit-msg git hook that adds AI agent attribution to your commits.

SSH client with seamless connection recovery. Reconnects transparently when your network drops, keeping shell sessions alive across switches and sleeps.

A local web UI for managing Amp AI coding agent threads.

Generate meaningful Git commit messages using large language models.

Show your Amp coding agent status inside cmux for a unified terminal multiplexer view.

Git tree visualizer. Renders repository history and branch topology so you can see how commits, branches, and merges relate at a glance.

LLM-powered code migration tool from Block, runs large-scale codebase transforms with AI.

Universal build tool that detects project build systems and runs build, test, lint, and format operations against changed files only.

Go CLI tool that analyses Git repositories for security vulnerabilities using LLM-based analysis.

Ready Player One - framework for structured agent steering and orchestration.