UI UX Pro Max Skillnextlevelbuilder/ui-ux-pro-max-skill
Agent skill with design knowledge for better UIsPersonalAgent skillsDesign & creativeExtension / plugin★ 133kMITcommit 6 days ago84worth
Open-source alternatives to Impeccable
24 projects in the catalog are in the same category as Impeccable: Agent skills. They are ranked by how closely their categories, platforms and GitHub topics match, then by worth score. Of these, 21 have a permissive license and 24 had a commit in the last 90 days.
Compare at a glance
| Project | Runs on | Self-host with Docker | License | Stars | Last commit |
|---|---|---|---|---|---|
| Impeccable (this project) | Extension / plugin | Not listed | Apache-2.0 | 74k | |
| UI UX Pro Max Skill | Extension / plugin | Not listed | MIT | 133k | |
| Archify | Extension / plugin | Not listed | MIT | 76k | |
| Text to CAD | Extension / plugin | Not listed | MIT | 17k | |
| Diagram Design | Extension / plugin | Not listed | MIT | 43k | |
| Taste Skill | Extension / plugin | Not listed | MIT | 92k | |
| Guizang PPT Skill | Extension / plugin | Not listed | AGPL-3.0 | 27k | |
| Open Design | Desktop | Not listed | Apache-2.0 | 99k | |
| DESIGN.md | Library / SDK | Not listed | Apache-2.0 | 28k | |
| Graphify | CLI, Extension / plugin | Not listed | Apache-2.0 | 123k | |
| Claude-Mem | Extension / plugin | Not listed | Apache-2.0 | 95k | |
| Caveman | CLI, Extension / plugin | Not listed | Apache-2.0 | 109k | |
| ECC | CLI, Extension / plugin | Not listed | MIT | 271k | |
| Understand Anything | Extension / plugin | Not listed | MIT | 85k | |
| Ponytail | Extension / plugin | Not listed | MIT | 152k | |
| Agent Skills (Addy Osmani) | Extension / plugin | Not listed | MIT | 101k | |
| Scientific Agent Skills | Extension / plugin | Not listed | MIT | 47k | |
| Oh My ClaudeCode | Extension / plugin | Not listed | MIT | 40k | |
| Marketing Skills | Extension / plugin | Not listed | MIT | 52k | |
| Planning with Files | Extension / plugin | Not listed | MIT | 27k | |
| Humanizer | Extension / plugin | Not listed | MIT | 54k | |
| Superpowers | Extension / plugin | Not listed | MIT | 295k | |
| Last 30 Days Skill | Extension / plugin | Not listed | MIT | 63k | |
| Academic Research Skills | Extension / plugin | Not listed | Custom (read before use) | 50k | |
| Claude Skills Library | Extension / plugin | Not listed | MIT | 27k |
Extensions & plugins (22)
Archifytt-a1i/archify
Agent skill for clear architecture diagramsPersonalAgent skillsDesign & creativeExtension / plugin★ 76kMITcommit 3 days ago82worth
Text to CADearthtojake/text-to-cad
Agent skills for CAD, CAE and CAMPersonalEnterpriseAgent skillsDesign & creativeExtension / plugin★ 17kMITcommit 14 hours ago77worth
Diagram Designcathrynlavery/diagram-design
Editorial diagram skill for coding agentsPersonalAgent skillsDesign & creativeExtension / plugin★ 43kMITcommit 2 days ago70worth
Taste SkillLeonxlnx/taste-skill
Give your AI agent good design tastePersonalAgent skillsDesign & creativeExtension / plugin★ 92kMITcommit last week68worth
Guizang PPT Skillop7418/guizang-ppt-skill
Agent skill for polished HTML slide decksPersonalAgent skillsDesign & creativeExtension / plugin★ 27kAGPL-3.0commit 2 months ago63worth
GraphifyGraphify-Labs/graphify
Turn a codebase into a queryable knowledge graphPersonalAgent skillsDeveloper toolsCLIExtension / plugin★ 123kApache-2.0commit 16 hours ago89worth
Claude-Memthedotmack/claude-mem
Persistent memory across coding agent sessionsPersonalAgent skillsCoding assistantsExtension / plugin★ 95kApache-2.0commit yesterday88worth
CavemanJuliusBrussee/caveman
Cut coding agent tokens by making it talk lessPersonalAgent skillsCoding assistantsCLIExtension / plugin★ 109kApache-2.0commit 13 hours ago87worth
ECCaffaan-m/ECC
Skills, memory and guardrails that make coding agents work betterPersonalAgent skillsCoding assistantsCLIExtension / plugin★ 271kMITcommit 2 days ago85worth
Understand AnythingEgonex-AI/Understand-Anything
Interactive knowledge graph of any codebasePersonalAgent skillsDeveloper toolsExtension / plugin★ 85kMITcommit yesterday83worth
PonytailDietrichGebert/ponytail
Skill that makes coding agents write less codePersonalAgent skillsCoding assistantsExtension / plugin★ 152kMITcommit 11 hours ago81worth
Agent Skills (Addy Osmani)addyosmani/agent-skills
Production-grade engineering skills for coding agentsPersonalEnterpriseAgent skillsExtension / plugin★ 101kMITcommit yesterday81worth
Scientific Agent SkillsK-Dense-AI/scientific-agent-skills
Skills that turn an AI agent into a scientistPersonalEnterpriseAgent skillsExtension / plugin★ 47kMITcommit 2 days ago81worth
Oh My ClaudeCodeYeachan-Heo/oh-my-claudecode
Team-style multi-agent orchestration for Claude CodePersonalAgent skillsCoding assistantsExtension / plugin★ 40kMITcommit 2 days ago81worth
Marketing Skillscoreyhaines31/marketingskills
Marketing skills for AI agentsPersonalAgent skillsExtension / plugin★ 52kMITcommit 12 hours ago79worth
Planning with FilesOthmanAdi/planning-with-files
File-based planning for coding agentsPersonalAgent skillsExtension / plugin★ 27kMITcommit 2 days ago79worth
Humanizerblader/humanizer
Remove signs of AI writing from textPersonalAgent skillsExtension / plugin★ 54kMITcommit 5 days ago78worth
Superpowersobra/superpowers
Core skills library for Claude CodePersonalAgent skillsExtension / plugin★ 295kMITcommit last week77worth
Last 30 Days Skillmvanhorn/last30days-skill
Agent skill that researches what people said recentlyPersonalAgent skillsExtension / plugin★ 63kMITcommit 3 days ago77worth
Academic Research SkillsImbad0202/academic-research-skills
Research and paper-writing skills for Claude CodePersonalAgent skillsExtension / plugin★ 50kcommit 23 hours ago76worth
Claude Skills Libraryalirezarezvani/claude-skills
Hundreds of skills and agents for coding toolsPersonalAgent skillsExtension / plugin★ 27kMITcommit last month76worth
Desktop apps (1)
Open Designnexu-io/open-design
Local-first AI design app driven by your coding agentPersonalAgent skillsDesign & creativeDesktop★ 99kApache-2.0commit 3 days ago82worth
Libraries & SDKs (1)
DESIGN.mdgoogle-labs-code/design.md
Spec for describing a visual identity to coding agentsPersonalEnterpriseAgent skillsDesign & creativeLibrary / SDK★ 28kApache-2.0commit 2 months ago72worth