goose
Open-source, extensible on-machine AI agent.
An open-source agent from Block that runs on your machine with any LLM. It installs dependencies, runs shell commands, edits files and runs tests autonomously, and is extended through MCP servers. Available as a desktop app and CLI.
- Vendor
- Block
- Category
- Coding assistants
- Pricing
- Open source
- Open source
- Yes
- License
- Apache-2.0
- Platforms
- Desktop, CLI
- Launched
- 2025
- Website
- block.github.io/goose
Features
- Any LLM
- MCP extensions
- Autonomous shell and file actions
Best for
- Coding
- Agents
Works with
- Claude Sonnet 5.5 — Anthropic. Anthropic’s mid-tier Claude for everyday building, debugging and documents.
- gpt-oss-120b — OpenAI. OpenAI’s Apache-2.0 open-weight reasoning model; runs on a single 80GB GPU.
More coding assistants
- Claude Code — Anthropic. Agentic coding in your terminal, IDE and browser.
- GitHub Copilot — GitHub (Microsoft). The most widely deployed AI pair programmer.
- Cursor — Anysphere. The AI-native code editor.
- Codex — OpenAI. OpenAI’s cloud and CLI coding agent.
- Cline — Cline. Open-source autonomous coding agent for VS Code.
- Windsurf — Cognition. Agentic IDE with the Cascade agent.
- Google Antigravity — Google. Agent-first IDE with a manager view for orchestrating many agents.
- Lovable — Lovable. Build apps by chatting with AI.