Runs on: Windows WSL2 macOS Linux Docker
| # | Shot | Project | Stars | Plugs into | What it does |
|---|---|---|---|---|---|
| 1 | f/awesome-chatgpt-promptsf/prompts.chat | 175,501 | Claude / AnthropicCodex / OpenAIGemini / Google | World's largest open-source prompt library. 1000s of prompts for all major models npx prompts.chat new my-prompt-library | |
| 2 | Prompt Engineering Guide (DAIR.AI)dair-ai/Prompt-Engineering-Guide | 79,735 | Codex / OpenAI | The definitive open-source guide and resource hub. 3M+ learners. ~55K+ ⭐ git clone https://github.com/dair-ai/Prompt-Engineering-Guide.git | |
| 3 | OpenAI Cookbookopenai/openai-cookbook | 76,902 | Codex / OpenAI | Official recipes for prompts, tools, RAG, and evaluations git clone https://github.com/openai/openai-cookbook.git | |
| 4 | Codex Plugin for Claude Codeopenai/codex-plugin-cc | 34,787 | Claude CodeClaude / AnthropicCodex / OpenAI | Official plugin to use Codex from Claude Code for code reviews and task delegation npm install -g @openai/codex | |
| 5 | awesome-ai-agentse2b-dev/awesome-ai-agents | 30,741 | Claude CodeClaude / AnthropicCodex / OpenAI | Curated list of AI agents and agent frameworks, organized by use case. Useful for surveying the landscape of what harnesses are being built around git clone https://github.com/e2b-dev/awesome-ai-agents.git | |
| 6 | NirDiamant/Prompt_EngineeringNirDiamant/Prompt_Engineering | 7,919 | Codex / OpenAI | 22 hands-on Jupyter Notebook tutorials. ~3K+ ⭐ git clone https://github.com/NirDiamant/Prompt_Engineering.git | |
| 7 | Harness Bookswquguru/harness-books | 3,223 | Claude CodeClaude / AnthropicCodex / OpenAI | Two open-source books that use Claude Code and Codex as observation targets to explain how constraint structures organize execution in real engineering environments. The clearest book-length treatment of why prompts, tools, permissions, recovery paths, and team rules form a single control plane rather than accessories around the model git clone https://github.com/wquguru/harness-books.git | |
| 8 | lopopolo/harness-engineeringlopopolo/harness-engineering | 2,746 | Claude / AnthropicCodex / OpenAI | Ryan Lopopolo's anthology, field guide, and agent context bundle for harness engineering: it reframes the harness as the environment that carries an organization's nonfunctional requirements, with reusable AGENTS.md/CLAUDE.md artifacts, playbooks, evals, and domain modeling docs. The most systematic open-source synthesis of how to make organizational judgment cumulative across agent-maintained rep git clone https://github.com/lopopolo/harness-engineering.git | |
| 9 | bradAGI/awesome-cli-coding-agentsbradAGI/awesome-cli-coding-agents | 1,436 | Claude CodeClaude / AnthropicopencodeCodex / OpenAIGemini / GoogleAider | Catalog of 80+ terminal-native AI coding agents (open-source and proprietary) plus the harnesses that orchestrate, sandbox, and extend them: session managers, parallel runners, autonomous loop infrastructure, and credential vaults. The most comprehensive reference for the CLI agent layer that most harness infrastructure is designed to host git clone https://github.com/bradAGI/awesome-cli-coding-agents.git | |
| 10 | duanyytop/agents-radarduanyytop/agents-radar | 1,146 | Codex / OpenAI | Side-by-side benchmark of terminal AI agents on real coding tasks git clone https://github.com/duanyytop/agents-radar.git | |
| 11 | pleisto/flappyBrickdoc-Archive/flappy | 304 | Codex / OpenAI | Production-Ready LLM Agent SDK for Every Developer git clone https://github.com/pleisto/flappy.git | |
| 12 | trigger-treeHedde/trigger_tree | 16 | Claude CodeClaude / AnthropicCodex / OpenAI | Documentation-discovery telemetry for Claude Code — heat/cold maps, health grade, evidence-backed router fixes. 100% local, zero tokens. /tt uvx --from trigger-tree tt | |
| 13 | Browser Agent BlueprintLydiaTools/browser-agent-blueprint | 1 | Codex / OpenAI | MIT-licensed browser-agent prompt modules with six reproducible synthetic browser demos for verification, retries, and resumable tasks npx [email protected] add LydiaTools/browser-agent-blueprint --skill browser-task-recovery --agent codex |