google/elephant-goldfish-model

Open-source skills for designing and reviewing software with AI agents

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Design with an elephant. Review with a goldfish. Install  ·  Quickstart  ·  Documentation  ·  Website Thousands of Google engineers use EGM, an open-source plugin, to draft specs with deep-context agents and stress-test them with zero-context subagents before writing code. Elephant holds your project context and drafts the specification. Goldfish reviewers examine the draft and referenced source material without the earlier conversation, helping expose unstated assumptions and blind spots. You make the architectural trade-offs and approve the specification before implementing. Use it when a feature needs design decisions before implementation. For a small, clear bug fix, use your normal coding workflow. Choose your coding agent. Install the complete plugin so its skills can read the reviewer prompts and document standards. For the Antigravity App and Antigravity for IDEs (Visual Studio Code extension), run /plugin or see the installation instructions. Start a new session after installation. For Claude Cowork and ChatGPT Work,…

google/elephant-goldfish-model on GitHub A short preview, not the full document.

Read the full README ↗ · Preview checked 2026-11-01T12:42:37.221Z

Inside the original README — Document outline
  1. Install
  2. Antigravity CLI
  3. Claude Code
  4. Codex
  5. Try your first design
  6. How it works
  7. Choose a skill
  8. Learn more
  9. Contribute
  10. License

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Documentation belongs to its respective authors. Reported project/model license: Apache-2.0. A listing is not a grant of reuse or training rights. Confirm the document’s own terms at the source.

What this repository does

Open-source skills for designing and reviewing software with AI agents

Repository facts

Owner
google
Primary language
Python
Stars
8,382
Forks
496
Open issues + pull requests
65
License
Apache-2.0
Archived
No
Default branch
main
Created
2026-09-13T16:31:06.000Z
Last push
2026-10-30T09:33:24.000Z

Topics and intended use

Owner-supplied topics: agent-skills, ai-agents, antigravity, claude-code, claude-code-plugin, claude-skills, codex, codex-plugin, coding-agents, context-engineering, developer-tools, gemini, llm, multi-agent, prompt-engineering, spec-driven-development

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