# Goose Published January 1, 2026 · Updated August 10, 2026 Open source, extensible AI agent that goes beyond code suggestions Category: Developer Tools · Free · Replaces GitHub Copilot Pro ($10/month) · [Official website](https://block.github.io/goose/) ## Install with Homebrew `brew install --cask block-goose` ## Quick take Goose remains one of the most flexible open agent runtimes on Mac in August 2026: free, MCP-native, multi-model, and now foundation-governed under AAIF. Coding specialists may prefer Claude Code, Cursor, or Muse Code for pure edit loops, but if you want an agent that can grow with your tools—not just your editor—Goose is still the open default. Pair it with strong permission hygiene and, for teams, OpenTelemetry. Best for: Platform engineers automating multi-tool workflows, Teams standardizing on MCP, Developers who want local-first agents with model choice ## What is Goose? Goose is an open-source, extensible AI agent stewarded by the Agentic AI Foundation (AAIF) at the Linux Foundation. Block (formerly Square) created Goose and donated it to AAIF alongside Anthropic's Model Context Protocol (MCP) and OpenAI's AGENTS.md, so the project is no longer a single-vendor side project—it is foundation-hosted infrastructure for local agents. The primary GitHub home is now aaif-goose/goose; the desktop app, CLI, and API still ship under the Apache 2.0 license. Goose is not a code editor or a chat box bolted onto an IDE. It is a general-purpose agent that runs on your machine: install tools, execute shell commands, edit files, browse, manage git, and orchestrate multi-step workflows. Out of the box it reads and writes files, runs commands, works with GitHub, and talks to external services through MCP extensions. With 70+ documented extensions and support for 15+ model providers—including Anthropic, OpenAI, Google, Ollama, OpenRouter, Azure, Bedrock, plus 2026 additions such as Alibaba Qwen (DashScope), Perplexity, Databricks AI Gateway, Vercel AI Gateway, xAI SuperGrok subscriptions, Scaleway, and NEAR AI Cloud—you choose the model and the tool surface. As of late July 2026 the project was releasing on the v1.45 line (v1.45.0 landed 2026-07-29), with frequent point releases through the summer. June 2026's 1.36/1.37 pair doubled down on open provider integrations so teams are not locked to a single frontier model. You can also attach existing Claude, ChatGPT, or Gemini subscriptions through the Agent Client Protocol (ACP) instead of minting separate API keys for every workflow. On macOS, Goose ships a native desktop app plus a CLI installable via the official download script or Homebrew casks (block-goose / block-goose-cli remain the familiar brew tokens for many machines). It targets Apple Silicon and modern macOS, including Tahoe 26.x workflows. Competitive pressure in August 2026 is intense: Claude Code, OpenAI's Codex surface inside the ChatGPT desktop app, Cursor, and Meta's newly launched Muse Code (August 2026) all compete for agent mindshare. Goose's differentiator remains breadth—MCP extensibility, local-first execution, foundation governance, and model agnosticism—rather than a single closed coding loop. When evaluating whether to standardize on this app for a Mac-based workflow in late 2026, weigh three practical factors: how often the vendor ships security updates for current macOS releases including Apple Silicon and Tahoe 26.x, whether pricing is predictable (one-time, free open source, or subscription), and whether the tool still matches how your team actually works day to day. Documentation quality, export paths, and community responsiveness often matter more than feature checklists. Prefer official download channels or Homebrew casks/formulae, verify notarization where applicable, and keep a rollback plan when a major version changes storage formats or default settings. For AI-enabled products, re-check model names and rate limits quarterly—they change faster than UI chrome. For open-source tools, pin versions in Brewfiles or internal catalogs so a surprise upgrade does not break CI. Finally, capture a short internal note on why you chose the app: future you will thank present you when a flashy rival appears and you need a reasoned comparison instead of vibes. ## Features - **MCP extension system.** Goose's core power is deep Model Context Protocol support. Connect databases, browsers, GitHub, cloud APIs, and internal tools through 70+ documented extensions. Extensions can render interactive UI inside Goose Desktop—buttons, forms, visualizations—so agents become task-specific tools rather than pure chat. Custom extensions plug the same protocol into proprietary systems. - **Autonomous multi-step execution.** Describe outcomes like reviewing open PRs ready to merge, and Goose navigates GitHub, reads diffs, checks CI, and returns structured summaries without hand-holding each click. It executes shell commands, edits files, and chains tools while showing what it is doing. - **Multi-provider model support.** Fifteen-plus providers cover Anthropic Claude (including current Sonnet 5 / Opus 5 generations when your keys allow), OpenAI GPT-5.6 family models, Google Gemini, Ollama local models, OpenRouter, Azure, Bedrock, and 2026 gateway additions (Qwen/DashScope, Perplexity, Databricks, Vercel AI Gateway, xAI SuperGrok, Scaleway, NEAR AI Cloud). ACP lets you reuse existing Claude, ChatGPT, or Gemini subscriptions. - **Desktop, CLI, and API.** Rust-built desktop apps for macOS, Linux, and Windows sit beside a full CLI and an embeddable API. Configurations and extensions stay shared so you can move between visual and terminal workflows without rewiring tools. - **Recipes and subagents.** Capture workflows as portable YAML Recipes with parameters and sub-recipes for CI or team reuse. Spawn independent subagents for parallel review, research, or file processing while keeping the main conversation readable. - **Security, permissions, and observability.** Permission controls, sandbox modes, prompt-injection awareness, and step-level transparency show which commands and files the agent touches. AAIF-era guidance also documents optional OpenTelemetry instrumentation so teams can audit agent actions in production. - **Foundation governance (AAIF).** Since April 2026 Goose lives under the Agentic AI Foundation with Linux Foundation governance, alongside MCP and AGENTS.md. That matters for enterprises evaluating long-term stewardship beyond Block's original open-source release. ## Install Goose on Mac Goose is free and open source. Install the desktop app from official docs, use the CLI bootstrap script, or install via Homebrew casks if available on your machine. You need an LLM provider API key, an ACP-linked subscription, or a local Ollama model. 1. **Install Homebrew (optional).** If you prefer brew: `/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"` 2. **Install Goose Desktop.** Either download from goose-docs.ai installation docs, or run `brew install --cask block-goose` when the cask is available on your Homebrew setup. 3. **Install Goose CLI (optional).** CLI: `curl -fsSL https://github.com/aaif-goose/goose/releases/download/stable/download_cli.sh | bash` or `brew install block-goose-cli`. 4. **Configure a model provider.** Launch Goose or run `goose configure`. Add Anthropic, OpenAI, Google, Ollama, OpenRouter, or another supported provider. Prefer local Ollama for sensitive codebases. ## Pros - Free, Apache 2.0, foundation-hosted at AAIF - MCP-first extensibility across 70+ extensions - Multi-provider models including local Ollama - Desktop + CLI + API on macOS Apple Silicon - Recipes and subagents for repeatable workflows - Transparent step-level tool execution ## Cons - You manage LLM API keys and spend yourself - Custom extensions require engineering effort - UX is less polished than commercial IDEs like Cursor - Competitive coding agents ship faster productized loops ## FAQ ### Is Goose still a Block product? Block created Goose and open-sourced it, then donated the project to the Agentic AI Foundation at the Linux Foundation (announced with AAIF formation; Goose's move blog is dated 2026-04-07). Development continues under foundation governance with Block still involved as a contributor. ### Is Goose free? Yes. Apache 2.0 covers the software. You only pay LLM providers if you use cloud models. Local Ollama models remove that cost. ### Which models does Goose support in 2026? Providers include Anthropic, OpenAI, Google, Ollama, OpenRouter, Azure, Bedrock, and newer gateways (Qwen/DashScope, Perplexity, Databricks AI Gateway, Vercel AI Gateway, xAI SuperGrok, Scaleway, NEAR AI Cloud). Exact model IDs depend on what each provider exposes to your account. ### How is Goose different from Claude Code or Muse Code? Claude Code and Muse Code optimize terminal coding loops. Goose optimizes extensible agent runtime via MCP, multi-provider choice, recipes, and desktop/CLI parity—not a single-vendor coding surface. ### Does Goose work on macOS Tahoe / Apple Silicon? Yes. The native desktop app and CLI target modern macOS including Apple Silicon. Install from official docs or Homebrew casks and configure a provider. ### Where is the source code now? Primary repository: https://github.com/aaif-goose/goose. Docs live at goose-docs.ai. Older block/goose links redirect into the AAIF-era project. ### Can Goose replace my IDE? Not usually. Goose orchestrates tools and edits files, but most developers still keep an IDE or editor (Zed, VS Code, Cursor, Neovim) for daily navigation. Think of Goose as the agent layer beside the editor. ## Sources - [aaif-goose/goose GitHub repository](https://github.com/aaif-goose/goose) - [goose moves to AAIF](https://goose-docs.ai/blog/2026/04/07/goose-moves-to-aaif/) - [goose Doubles Down on Open in Latest Two Releases](https://aaif.io/blog/goose-doubles-down-on-open-in-latest-two-releases) - [TechCrunch: AAIF formation](https://techcrunch.com/2025/12/09/openai-anthropic-and-block-join-new-linux-foundation-effort-to-standardize-the-ai-agent-era/) - [Block introduces codename goose](https://block.xyz/inside/block-open-source-introduces-codename-goose) - [Goose documentation home](https://block.github.io/goose/) - [Meta launches Muse Code](https://9to5mac.com/2026/08/05/meta-launches-muse-code-ai-coding-agent-for-macos-and-linux/) ## Related - [Cursor](https://bundl.run/apps/cursor) - [Claude Code](https://bundl.run/apps/claude-code) - [ChatGPT](https://bundl.run/apps/chatgpt) - [Claude](https://bundl.run/apps/claude) - [Codex](https://bundl.run/apps/codex) - [Windsurf](https://bundl.run/apps/windsurf) - [Free alternative to GitHub Copilot Pro](https://bundl.run/https:/) ```json { "@context": "https://schema.org", "@graph": [ { "@type": "Organization", "@id": "https://bundl.run/#organization", "name": "Bundl.run", "url": "https://bundl.run", "logo": { "@type": "ImageObject", "url": "https://bundl.run/og-image.png", "width": 1200, "height": 630 }, "description": "The Ninite for Mac. 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