Goose
byBlock (Square)listed Jun 3, 2026
Goose is Block's open-source developer agent, designed as a fully autonomous CLI assistant that can execute tasks using a rich set of tools including shell commands, file editing, web browsing, and code execution. Built by the company behind Square and Cash App, Goose emphasizes extensibility and MCP (Model Context Protocol) integration. It is one of the few major coding agents backed by a large fintech company rather than a pure AI startup.
Freshness note: AI-agent behavior can change after model releases, client updates, pricing changes, or new default settings. Use the aggregate score as a historical baseline and check recent reviews plus model/runtime context before deciding.
- Pricing
- Free and open-source; you pay for your own LLM API keys
- Model backbone
- Claude Sonnet, GPT-4o (user-configurable)
- Setup complexity
- Moderate setup
- Last reviewed
- Awaiting reviews
- Recent signal
- Awaiting reviews
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