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Top 23 JavaScript codex Projects
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marketingskills
Marketing skills for Claude Code and AI agents. CRO, copywriting, SEO, analytics, and growth engineering.
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9router
Unlimited FREE AI coding. Connect Claude Code, Codex, Cursor, Cline, Copilot, Antigravity to FREE Claude/GPT/Gemini via 40+ providers. Auto-fallback, RTK -40% tokens, never hit limits.
Project mention: 9router: route Claude Code, Cursor, or Copilot through whichever free tier you've got | dev.to | 2026-05-09I was crawling GitHub trending for AI infra projects when I came across decolua/9router. It's the most thoughtful "stretch your free tiers" project I've seen for AI coding tools — and it does a few things I hadn't seen combined before. Worth a 60-second rundown for anyone burning through Cursor/Claude/Copilot budgets faster than they'd like.
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clawd-on-desk
A pixel desktop pet that watches Claude Code, Codex, Cursor & other AI coding agents — so you don't have to.
Project mention: Clawd-on-Desk: a pixel desktop pet watching your AI coding agents | news.ycombinator.com | 2026-05-28 -
openusage
Burning through your subscriptions too fast? Paying for stuff you never use? Stop guessing. OpenUsage is free and open source.
Project mention: OpenUsage: Track all your AI usage, in one panel | news.ycombinator.com | 2026-04-30 -
pro-workflow
Claude Code learns from your corrections: self-correcting memory that compounds over 50+ sessions. Context engineering, parallel worktrees, agent teams, and 17 battle-tested skills.
Project mention: Stop Rebuilding Your Claude Code Setup - Scaffold It Once with Worclaude | dev.to | 2026-04-16The workflow draws from Boris Cherny's tips (creator of Claude Code at Anthropic), patterns from Affaan Mir's everything-claude-code (Anthropic hackathon winner), Karpathy's coding principles, and community repos like pro-workflow.
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claude-delegator
Delegate tasks to Codex and Gemini directly from within Claude Code. (by jarrodwatts)
I did not invent the delegation layer. claude-delegator is a fork of Jarrod Watts' original (MIT, upstream currently quiet), fully based on his design - I kept the structure and the license.
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agentsys
AI writes code. This automates everything else · 24 plugins · 49 agents · 44 skills · for Claude Code, OpenCode, Codex, Cursor, Kiro.
Project mention: Show HN: My way – 18-agent autonomous workflow for ClaudeCode – issues to deploy | news.ycombinator.com | 2026-01-17 -
desktop
Agentify Desktop lets Codex/Claude/OpenCode control your logged-in ChatGPT, Claude, AiStudio, Gemini, Grok, Perplexity web sessions via MCP, parallel hidden/visible tabs, file upload + image download (by agentify-sh)
Project mention: Ask HN: What are tools you have made for yourself since the advent of AI | news.ycombinator.com | 2026-06-08Most of it has been to maximize productivity with AI
1) Use chatgpt pro from codex cli, opencode, claude etc as you can't get it via API. This has been the biggest boost in productivity for me as I don't have to copy and paste.
https://github.com/agentify-sh/desktop
2) A small gate to make sure any agent cannot run destructive rm -rf or git reset --hard commands, it has saved me many many times
https://github.com/agentify-sh/safeexec
3) For mac users, summarizes and speaks out loud after codex finishes a turn
https://github.com/agentify-sh/speak
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49Agents
Open-source 2D IDE for managing AI agents in native CLIs, terminal, gits, beads issues, and files across multiple projects and machines. Self-host on a single machine via localhost OR host on a cluster via Tailscale OR connect to app.49agents.com (coming soon)
Project mention: Show HN: Open-source 2D IDE for managing agent CLIs | news.ycombinator.com | 2026-05-10 -
Project mention: Show HN: Hivemind turns agent traces into skills and shares with your team | news.ycombinator.com | 2026-05-11
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loop-engineering
Practical reference and patterns for loop engineering, designing systems that prompt and orchestrate AI coding agents (inspired by Addy Osmani and Boris Cherny / Anthropic)
Meanwhile, the ecosystem materialized. obra/superpowers shipped a complete software development methodology built on composable skills — 1,276+ stars and growing. The cobusgreyling/loop-engineering repo cataloged patterns from Osmani and Cherny into a practical reference.
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agent-security-scanner-mcp
Security scanner MCP server for AI coding agents. Prompt injection firewall, package hallucination detection (4.3M+ packages), 1000+ vulnerability rules with AST & taint analysis, auto-fix.
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sylph
The open-source company brain. Run your entire company with AI agents, skills, and a self-improving context.
Project mention: Show HN: Sylph – the open-source company brain behind my YC startup | news.ycombinator.com | 2026-05-21 -
deliberation
Ask Codex, Gemini/Antigravity, Grok (xAI), and 400+ more models through OpenRouter including Qwen, Kimi, DeepSeek for second opinions or arbiter-mediated consensus inside Claude Code.
Project mention: Meet Deliberation: 400+ models is easy, knowing which ones earn a place is hard. | dev.to | 2026-06-03Deliberation is open source, it works in the agent you already use, and most of the models are ones you already pay for. It ships in the agent-plugins marketplace and as a standalone MCP server on npm (@antonbabenko/deliberation-mcp). Source, and a star button I would genuinely appreciate, are at github.com/antonbabenko/deliberation. Install it, point GPT and Claude at each other, and let me know where it breaks. The cheapest review still happens before you execute - just make sure every reviewer in the room is worth the wait and the cost.
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crag
The bedrock layer for AI coding agents. One governance.md. Any project. Never stale. Universal skills + cross-agent compilation (Claude, Cursor, Codex, Gemini, Aider). (by WhitehatD)
Project mention: AI Agents Don't Follow Your Rules. Here's a Compiler That Makes Them. | dev.to | 2026-04-10crag is a CLI that takes one governance.md and compiles it to every AI tool format your team uses.
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codex-whatsapp-relay
Put Codex in your WhatsApp with QR auth, MCP tools, and optional phone-based control.
Project mention: Show HN: Control Codex via WhatsApp using a Codex plugin | news.ycombinator.com | 2026-03-27 -
ThumbGate
Agent governance for ThumbGate: 👍/👎 become Pre-Action Checks that block repeat mistakes before code, money, or customer systems change.
Project mention: I built a proentropic memory layer for AI coding agents — every mistake makes the system stronger | dev.to | 2026-04-03 -
EGC
Your AI agents never start from zero again. Local-first MCP runtime with persistent memory across sessions and tools.
Project mention: I solved the problem no AI company could: persistent memory across every coding assistant | dev.to | 2026-06-06GitHub: https://github.com/Fmarzochi/EGC
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maestro
Workflow fluency for AI coding agents. 1 skill, 20 commands, 7 references — works across Cursor, Claude Code, Gemini CLI, Copilot, and 6 more. (by sharpdeveye)
So I built Maestro — 21 skills and 20 commands that inject workflow discipline into any AI coding agent. One install. Works with Cursor, Claude Code, Gemini CLI, Copilot, Codex, and 5 more.
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unpack
Turn AI research conversations into structured, buildable projects. Works with Claude Code and Codex. (by apresmoi)
Project mention: Show HN: Unpack – a lightweight way to steer Codex/Claude with phased docs | news.ycombinator.com | 2026-02-11 -
memoir
Persistent memory for AI coding tools. Sync Claude, Cursor, Gemini, Copilot, Windsurf + 6 more across machines via MCP. E2E encrypted. Open source. (by camgitt)
Project mention: Show HN: Memoir – persistent memory for AI coding tools via MCP | news.ycombinator.com | 2026-03-30
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
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Index
What are some of the best open-source codex projects in JavaScript? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | marketingskills | 33,038 |
| 2 | 9router | 6,614 |
| 3 | clawd-on-desk | 3,188 |
| 4 | openusage | 2,142 |
| 5 | pro-workflow | 1,907 |
| 6 | claude-delegator | 963 |
| 7 | agentsys | 863 |
| 8 | desktop | 429 |
| 9 | 49Agents | 308 |
| 10 | hivemind | 154 |
| 11 | loop-engineering | 113 |
| 12 | agent-security-scanner-mcp | 110 |
| 13 | agtop | 109 |
| 14 | clideck | 107 |
| 15 | sylph | 77 |
| 16 | deliberation | 41 |
| 17 | crag | 38 |
| 18 | codex-whatsapp-relay | 31 |
| 19 | ThumbGate | 23 |
| 20 | EGC | 18 |
| 21 | maestro | 15 |
| 22 | unpack | 13 |
| 23 | memoir | 12 |
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