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Google·Nov 1, 2026·v0.1.0·open source

Elephant-Goldfish Model (EGM)

The Elephant-Goldfish Model (EGM) is an open-source plugin designed to facilitate Spec-Driven Development by leveraging AI agents. It uses a 'deep-context' Elephant agent to draft technical specifications and 'zero-context' Goldfish subagents to stress-test designs, helping developers identify blind spots and unstated assumptions before writing code.

AI Software EngineeringSpec-Driven DevelopmentDeveloper ToolsOpen Source
overview

The Elephant-Goldfish Model (EGM) is an open-source plugin designed to facilitate Spec-Driven Development by leveraging AI agents. It uses a 'deep-context' Elephant agent to draft technical specifications and 'zero-context' Goldfish subagents to stress-test designs, helping developers identify blind spots and unstated assumptions before writing code.

key features
  • 01Deep-context 'Elephant' agent for drafting technical specifications
  • 02Zero-context 'Goldfish' subagents for critical, unbiased design reviews
  • 03Modular skill set including brainstorming, drafting, resolving, and drift reporting
  • 04Automated multi-stage review pipeline to validate design clarity and implementation readiness
  • 05Drift reporting to compare implemented code against approved design documentation
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