Top 16 HTML codex Projects
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diagram-design
38 editorial diagram types for Claude Code, Codex, and Pi. Self-contained HTML + SVG. No shadows. No Mermaid slop.
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Kargo
Stop Scripting Promotions. Start Shipping with Kargo. Kargo automates promotion across dev, staging, and prod with approval gates and verification. Open source, built by the team behind Argo CD. Download now.
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gzh-design-skill
把 Markdown 一键排成可直接粘进公众号编辑器的精致 HTML —— 6 套精选主题 + 主题生成器 + 双关卡校验。An AI-agent skill that turns Markdown into paste-ready WeChat article HTML.
Project mention: gzh-design-skill: typesetting for WeChat by constraint, not by prompt | dev.to | 2026-07-17 -
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pm-claude-skills
1098 professional Agent Skills for Claude, ChatGPT, Gemini, Cursor & Codex — from PRDs and postmortems to appealing a disability benefit, building a go-bag, and settling into a new country. Plain-markdown, MIT, in Anthropic's official plugin directory. Free in-browser or 'npx pm-claude-skills add'.
Project mention: Open-source AI skills that make Claude/ChatGPT produce real work, eval-scored | news.ycombinator.com | 2026-06-19 -
vibe-check
By a 12-year product manager who builds 0-to-1: takes a beginner from a vague idea to a buildable plan, then guides the build (GitHub basics, clean-code habits, a verify-and-iterate loop, a checkup for the mess). For Claude Code, Codex, and Antigravity. grill-me is for engineers, vibe-check is for everyone else. (by TexasBedouin)
Project mention: Show HN: An open-source Claude skill that stops AI building the wrong app | news.ycombinator.com | 2026-07-14 -
mcptoon
Mcptoon is the native decoupling layer for Model Context Protocol (MCP) tools. It fixes tool listings eating tokens and every AI agent re-configuring tools: zero config out of the box, auto-scans and unifies the MCP tools of every agent on your machine, shares tool instances globally, and slashes context-window token overhead.
mcptoon speaks the latest MCP spec (2026-07-28) with full backward compatibility, runs on Windows, macOS and Linux, and ships under Apache 2.0. Repo: https://github.com/activeing123/mcptoon
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Project mention: A small, shared skill library by builders, for builders. (human and agent) | news.ycombinator.com | 2026-02-05
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AppSignal
Monitoring that respects your time & budget. APM, error tracking, and dashboards for modern web apps. Ten-minute setup, transparent flat pricing, and support from engineers who actually use the product.
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fluencyloop
AI-assisted development workflow that produces understanding alongside code. Teach, capture decisions, document, assemble reviews.
I think https://github.com/baokhang83/fluencyloop can help ingesting the code through the Mermaid architecture diagrams the skill produces (I posted yesterday on HN about it)
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fluiddocs-deck-builder
Type-correct, brand-aware HTML deck builder for Claude Code. Pitch, sales, launch, keynote, all-hands. PDF and PPTX import.
Project mention: Show HN: Open-source plugin that builds single-file HTML decks for coding agents | news.ycombinator.com | 2026-06-09 -
explain-this
An agentic skills framework for creating interactive HTML explainers for a topic, documents or codebase
Project mention: Show HN: Explain this – agent skills to create HTML explainer for topics or code | news.ycombinator.com | 2026-07-06 -
Project mention: Show HN: Backlog – tasks and contexts manager for AI coding agents | news.ycombinator.com | 2026-07-07
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mbb-page-maker
AgentSkill for creating consulting-style HTML presentation decks with static HTML/CSS/JS.
Project mention: I made an agent skill for making HTML slides with consultant style | news.ycombinator.com | 2026-06-10https://github.com/NomiciAI/mbb-page-maker
Examples:
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Project mention: zodiac-skills: I Gave Claude 12 Personality Disorders, and It Started Finding Real Bugs | dev.to | 2026-03-23
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humanize
Best static AI text humanizer. Two research-grounded skills that work in any LLM (Claude, ChatGPT, Gemini, Codex): humanize beats perplexity-based detectors, ai-check produces forensic scoring with evidence-quoted flags. Nine levers, 50+ peer-reviewed sources, 2024-2026 detection literature. (by harshaneel)
Project mention: Show HN: Humanize – Best static AI text humanizer, based on 50 research papers | news.ycombinator.com | 2026-07-07 -
claude-code-pro-pack
CLAUDE.md + AGENTS.md 12-rule behavior file for Claude Code, Codex, Cursor, Hermes — drop-in, ~700 tokens, cuts AI coding mistakes ~40%→~3%
Project mention: I built a coding agent that runs on Gemma 4 — here's what 2B parameters can actually do | dev.to | 2026-05-10gemma-coder — a single-file Python CLI that turns Gemma 4 into an agentic coding assistant. It reads your CLAUDE.md or AGENTS.md rulebook, uses a model-agnostic XML tool protocol, and ships the 12-rule claude-code-pro-pack baseline as the default behavior file.
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Project mention: AgentGuard Update: Open Core, Break-Glass-Governance — und die ersten echten Funde | dev.to | 2026-09-09
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
HTML codex discussion
HTML codex related posts
Index
What are some of the best open-source codex projects in HTML? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | diagram-design | 34,151 |
| 2 | gzh-design-skill | 3,506 |
| 3 | gpt-5-coding-examples | 1,910 |
| 4 | pm-claude-skills | 1,336 |
| 5 | vibe-check | 590 |
| 6 | mcptoon | 195 |
| 7 | skills | 170 |
| 8 | fluencyloop | 44 |
| 9 | fluiddocs-deck-builder | 30 |
| 10 | explain-this | 19 |
| 11 | backlog | 15 |
| 12 | mbb-page-maker | 8 |
| 13 | zodiac-skills | 7 |
| 14 | humanize | 0 |
| 15 | claude-code-pro-pack | 0 |
| 16 | agentguard | 0 |
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