Block, the company behind Square and Cash App, transferred its open-source agentic AI framework Goose to the Linux Foundation. The move follows a familiar pattern: build internally, open-source under a corporate flag, then hand governance to a neutral foundation once the project outgrows its origin company. You've seen this script before. Kubernetes started as Borg at Google before landing at the CNCF. OpenTelemetry merged OpenTracing and OpenCensus under the same umbrella. The Goose handoff is the agentic AI version of that story, and the timing matters for anyone picking an agent framework in 2026. What Block actually handed over Goose is a CLI-first agentic AI framework. It runs locally, talks to whichever LLM provider you configure (Anthropic, OpenAI, Google, local models via Ollama), and executes tools through MCP — the Model Context Protocol that Anthropic shipped in late 2024.…