Alternatives

Cc Sdd alternatives for AI agents.

Compare similar skills by workflow fit, trust score, quality, GitHub adoption, maintenance, and install readiness.

Current skill

Cc Sdd

Turn approved specs into long-running autonomous implementation. A minimal, adaptable SDD harness with Agent Skills for Claude Code, Codex, Cursor, Copilot, Windsurf, OpenCode, Gemini CLI, and Antigravity.

100
Quality
100
Trust
3.5K
Stars
#1

Agent Skills

Similarity 131Trust 100Excellent 100

The secure, validated skill registry for professional AI coding agents. Extend Antigravity, Claude Code, Cursor, Copilot and more with absolute confidence.

4.6K starsJun 11, 2026 pushagent-skillsTypeScriptAI Agents
$ npx skills add tech-leads-club/agent-skills
#2

Agent Skills

Similarity 129Trust 100Excellent 100

Production-grade engineering skills for AI coding agents.

56K starsJun 11, 2026 pushagent-skillsShellAI Agents
$ npx skills add addyosmani/agent-skills
#3

Planning With Files

Similarity 128Trust 100Excellent 100

Persistent file-based planning for long-running agentic tasks. Crash-proof markdown plans, deterministic completion gate, multi-agent shared state on disk. Works with Claude Code, Codex CLI, Cursor, Hermes agent, Pi, Kiro, OpenCode and 60+ agents via the SKILL.md standard.

23K starsJun 10, 2026 pushagent-skillsPythonAI Agents
$ npx skills add OthmanAdi/planning-with-files
#4

Drawio Skill

Similarity 124Trust 100Excellent 100

Generate draw.io diagrams from natural language — 6 presets, vision self-check + up to 5-round refinement, codebase-to-diagram, 10,000+ official shapes & 321 AI/LLM brand logos. Exports PNG/SVG/PDF/JPG.

2.5K starsJun 3, 2026 pushagent-skillsPythonAI Agents
$ npx skills add Agents365-ai/drawio-skill
#5

Cc Skills Golang

Similarity 124Trust 100Excellent 100

🧑‍🎨 A collection of Golang agentic skills that works

2.1K starsJun 9, 2026 pushagent-skillsGoAI Agents
$ npx skills add samber/cc-skills-golang
#6

Skills

Similarity 124Trust 100Excellent 100

Anthony Fu's curated collection of agent skills.

5.3K starsMay 1, 2026 pushagent-skillsTypeScriptAI Agents
$ npx skills add antfu/skills
#7

Opengap

Similarity 122Trust 100Excellent 100

A framework-agnostic, git-native standard for defining AI agents

2.8K starsMay 28, 2026 pushagent-skillsTypeScriptAI Agents
$ npx skills add open-gitagent/opengap
#8

Last30days Skill

Similarity 121Trust 100Excellent 100

AI agent skill that researches any topic across Reddit, X, YouTube, HN, Polymarket, and the web - then synthesizes a grounded summary

40K starsJun 10, 2026 pushagent-skillsPythonAI Agents
$ npx skills add mvanhorn/last30days-skill
#9

Obsidian Skills

Similarity 121Trust 100Excellent 100

Agent skills for Obsidian. Teach your agent to use Obsidian CLI and open formats including Markdown, Bases, JSON Canvas.

35K starsJun 8, 2026 pushagent-skillsAI AgentsClaude Code
$ npx skills add kepano/obsidian-skills
#10

Claude Skills

Similarity 120Trust 100Excellent 100

337 Claude Code skills & agent skills & plugins (30+ Agents, 70+ custom commands, 330+ skills, customizable references, scripts)for Claude Code, Codex, Gemini CLI, Cursor, and 8 more coding agents — engineering, marketing, product, compliance, C-level advisory, research, business operations, commercial & finance, and your daily productivity skills.

18K starsJun 12, 2026 pushagent-skillsPythonAI Agents
$ npx skills add alirezarezvani/claude-skills
#11

Skills

Similarity 118Trust 100Excellent 100

The open agent skills tool - npx skills

22K starsJun 11, 2026 pushagent-skillsTypeScriptAI Agents
$ npx skills add vercel-labs/skills
#12

Baoyu Skills

Similarity 118Trust 100Excellent 100

JimLiu/baoyu-skills is a high-star GitHub project relevant to AI agent workflows.

21K starsJun 10, 2026 pushagent-skillsTypeScriptAI Agents
$ npx skills add JimLiu/baoyu-skills
#13

Html Anything

Similarity 118Trust 100Excellent 100

✨ The agentic HTML editor — your local AI agent writes the HTML, you ship it. 🚀 75 Skills × 9 Surfaces (magazine · deck · poster · XHS / tweet · prototype · data report · Hyperframes) 🛡️ Sandboxed preview · 📤 1-click to WeChat / X / Zhihu / HTML / PNG 🔑 Zero API key — Claude Code / Cursor / Codex / Gemini / Copilot / OpenCode / Qwen / Aider.

6.6K starsJun 2, 2026 pushagent-skillsHTMLAI Agents
$ npx skills add nexu-io/html-anything
#14

Claude Obsidian

Similarity 118Trust 100Excellent 100

Self-organizing AI second brain for Obsidian + Claude Code. Drop any source and Claude reads, links, and files it into one connected knowledge graph of plain Markdown you own. AI note-taking, personal knowledge management (PKM), and an open-source Notion alternative. Based on Karpathy's LLM Wiki pattern.

6.6K starsMay 28, 2026 pushagent-skillsPythonAI Agents
$ npx skills add AgriciDaniel/claude-obsidian
#15

Mirrord

Similarity 118Trust 100Excellent 100

Run any process, on your machine or in an AI agent's environment, as if it were a pod in your Kubernetes cluster: real env vars, DNS, network, traffic.

5.1K starsJun 12, 2026 pushagent-skillsRustAI Agents
$ npx skills add metalbear-co/mirrord
#16

Eigent

Similarity 117Trust 100Excellent 100

Eigent: The Open Source Cowork Desktop to Unlock Your Exceptional Productivity. Local and Free Alternative to Claude Cowork.

14K starsJun 12, 2026 pushagent-skillsTypeScriptAI Agents
$ npx skills add eigent-ai/eigent

How to choose

When should you switch?

Use an alternative when it has a clearer install path, higher trust score, fresher maintenance, or better platform fit for your current agent stack. Keep Cc Sdd if it already passes your workflow test and repository review.

Next step

Compare top candidates side by side

Open the compare page, test the install commands in a sandbox, and check each repository before using a skill in production.