G

Goose

byBlock (Square)listed Jun 3, 2026

Coding AgentsFreeModerate setupClaude Sonnet, GPT-4o (user-configurable)

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
Aug 10, 2026
Recent signal
1 in 90 days

What reviewers consistently say.

Top pros and cons surfaced from 1 review. Counts reflect how many loaded reviews cite each point.

+Pros

  • Broad model support1 · 100%
  • Large MCP extension surface1 · 100%
  • Open-source agent runtime1 · 100%

Cons

  • Configuration affects reliability1 · 100%
  • Permissions need team standards1 · 100%

1 reviews.

Sorted by recency, with helpful votes used as a tie-breaker.

RE
Ruling Editorial — Engineeringfresh
1-6 months usage·local extensible agent workflows with MCP-connected tools·Aug 10, 2026
8.4/10

An open agent runtime for builders who value extensibility

Ruling editorial benchmark: Goose is a strong open-source option for developers who want a local agent across desktop, CLI, and API surfaces with broad model-provider and MCP extension support. Its place in the Agentic AI Foundation strengthens the portability and open-ecosystem case. The same flexibility creates setup and reliability variance, so teams should standardize providers, extensions, permissions, and evaluation tasks before treating it as shared infrastructure.

+ ProsOpen-source agent runtime · Broad model support · Large MCP extension surface
− ConsConfiguration affects reliability · Permissions need team standards
18 helpfulReviewed Aug 10, 2026
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