Block Open Source

goose

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

radiography

Text-ray goggles for your Android UI.

spirit

Online Schema Change Tool for MySQL 8.0+

trailblaze

AI-driven mobile testing framework.

quiver

Quiver is a collection of extension methods and handy functions to make the wonderful functional programming Kotlin library, Arrow, even better.

stoic

Run code within any debuggable Android process, without modifying its APK

ftl

FTL is a platform for building distributed systems that are safe to operate, easy to reason about, and fast to iterate and develop on.

elasticgraph

Schema-driven, scalable, cloud-native, batteries-included GraphQL, backed by Elasticsearch/OpenSearch

mcp-jupyter

kfsm

Finite state machinery in Kotlin

kotlin-formatter

A CLI and IntelliJ IDEA plugin for formatting Kotlin code, leveraging ktfmt for consistent style enforcement.

goose-plugins

*Sunsetting*: this repo contained plugins for the alpha version of goose. These plugins have been replaced by the MCP protocol

etre

Entity API for managing primitive entities with labels

xcode-index-mcp

scaffolder

A general-purpose project scaffolding tool inspired by cookiecutter

vscode-goose

ospo

Code monorepo, issue tracking and other GitHub features for the Block Open Source Program Office

goose-discord

Agent Honk: A Goose discord bot that honks.

bitcoin-augur-reference

Reference usage of augur, a mempool-based bitcoin fee estimation library

ide-metrics-plugin

IntelliJ and Gradle plugins to gather and report IDE metrics

.github

docs-site-kickstarter

example-jvm-maven

Example to bootstrap new Java Kotlin Maven Projects

oss-project-template

A blank template for bootstrapping new projects, platform/language/framework independent

domain-api

A structured approach to implementing backend APIs for maximal client flexibility. It provides a framework for implementing domain-driven APIs that separate business logic from presentation concerns, making the code easier to test and reuse across different presentation layers.

gradle-monorepo-ij-plugin

InteliJ Plugin for working with Gradle monorepos

iterable-go

A Go (Golang) client library for integrating your applications with the Iterable API.

mdx-daemon-plugin

An IDE plugin for Android Studio that integrates with the MDX Daemon, a background task runner designed to improve local Android developer performance.

opensource.block.xyz

Source for opensource.block.xyz

protobuf.js

Protocol Buffers for JavaScript & TypeScript.