Goose — Extensible AI Agent by Block Overview Goose is an open-source AI agent from Block (formerly Square) that operates as a full system agent — not just a code assistant. It can install packages, execute shell commands, edit files, run tests, browse the web, and interact with external services through extensions. Repo: Key differentiator: Extension system + MCP tool support = unlimited capabilities Installation Verify installation: Core Concepts What Makes Goose Different Unlike code-only AI tools, Goose has full system agency: | Capability | Code Assistants | Goose | |-----------|--------…