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Rubber Duck Thursdays

Join us for Rubber Duck Thursdays! A lighthearted and informal stream where we work on some projects and do some live coding.

Copilot CLI update: chronicle, plugins, and fleet mode

GitHub Checkout

In this episode of GitHub Checkout, we sit down with Copilot CLI Product Manager Ryan Hecht to explore the latest experimental features. We cover the plugin marketplace, the /chronicle slash command for self-healing prompts, and how to run Claude Opus 4.6, GPT-5.4, and Gemini 3 simultaneously. We also walk through how /fleet mode and autopilot can handle massive refactoring tasks while you step away.

React Native logo

Popular topic

React Native is a JavaScript mobile framework developed by Facebook.

This recommendation was created by GitHub staff

Mockend

Tight deadlines, backend not ready, demo approaching, ... unblock yourself, develop your UI before your backend.

Mockend lets you have hosted fake APIs instantly. No deploy headache simply create a config file in your repo and start coding your UI.

system_prompts_leaks

Trending repository

Extracted system prompts from Anthropic - Claude Fable 5, Opus 4.8, Claude Code, Claude Design. OpenAI - ChatGPT 5.5 Thinking, GPT 5.5 Instant, Codex. Google - Gemini 3.5 Flash, 3.1 Pro, Antigravity. xAI - Grok, Cursor, Copilot, VS Code, Perplexity, and more. Updated regularly.

  • Updated Jul 9, 2026
  • JavaScript

This recommendation was created by GitHub staff

AppMap

Runtime Code Review

Get reports on failed tests, API changes, security flaws, performance problems, and code anti-patterns in every pull request.

AppMap is a versatile open-source runtime code analysis tool compatible with Ruby, Java, Python, and Node.js. It records code execution traces, gathering data about how your code works and behaves. These traces can then be displayed as interactive diagrams, and analyzed to find coding flaws and problems.