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The Download

Join rotating hosts from GitHub’s Developer Advocacy team - including Andrea Griffiths, Cassidy Williams, Kedasha Kerr, and more for the latest in developer, open source, and GitHub news.

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.

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React

React is an open source JavaScript library used for designing user interfaces.

Trending repository

AI 时代的伯克希尔:基于 Claude Code 的价值投资研究框架。巴菲特·芒格·段永平·李录四大师方法论 + 多Agent并行研究。| AI-era Berkshire: a value investing research framework built on Claude Code. 4 masters' methodologies + multi-agent adversarial analysis.

  • Updated Jun 26, 2026
  • Python
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This recommendation was created by GitHub staff

Testspace.com

Test Management software for DevOps

Testspace provides a dashboard for publishing test results from automation and a framework for implementing and executing manual tests using GitHub.

  • Publish large volumes of test results with a single command
  • Implement Manual tests using text files contained in a repository
  • Improve process with metrics, graphs, and analytics
  • Auto-detect Flaky tests
  • Exploratory support

LIVE DEMO

Anthropic-Cybersecurity-Skills

Trending repository

817 structured cybersecurity skills for AI agents · Mapped to 6 frameworks: MITRE ATT&CK, NIST CSF 2.0, MITRE ATLAS, D3FEND, NIST AI RMF & MITRE F3 (Fight Fraud) · agentskills.io standard · Works with Claude Code, GitHub Copilot, Codex CLI, Cursor, Gemini CLI & 20+ platforms · 29 security domains · Apache 2.0

  • Updated Jun 22, 2026
  • Python

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.