Google open-sources the Elephant-Goldfish Model plugin, providing AI a design review layer for coding agents

Techub News News: Google has open-sourced the Elephant-Goldfish Model (EGM) plugin, a design and review layer for AI coding agents. The plugin forces agents to write a specification document before writing code, after which a fresh sub-agent with no conversation history reviews the specification. Google says thousands of its internal engineers already use the tool, whose core purpose is to capture faulty assumptions in Markdown files rather than in code merge requests. The plugin is based on the Apache 2.0 license and includes skills, review roles, and documentation standards; it is not itself a new large language model. It supports running on multiple agent platforms such as Antigravity, Claude Code 2.1.271+, Claude Cowork, Codex,ChatGPT and others, using the user's existing model quota. (MarkTechPost)