Best open-source agent skill extensions & plugins for personal use

Open-source skills and plugins that teach AI agents such as Claude Code new, repeatable workflows.

Filters · 3 Personal, Agent skills, Extension / plugin

For

Personal31Enterprise9

Purpose

AI & LLM tooling19Chat UIs3Agents & frameworks1Coding assistants14Agent skills31MCP servers3Developer tools10Editors & IDEs5Self-hosted apps6Notes & docs5Automation0Data & analytics0Infra & DevOps0Security & identity4Communication1Media & photos2Design & creative10

Runs on

Web1Docker / self-host1Desktop1Mobile0CLI10Library / SDK4Extension / plugin31

License

Permissive27Copyleft1Source-available0Other / custom3

More

Has live demo0Commit in last 90 days31

31 projects · showing 21–31

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D

Diagram Designcathrynlavery/diagram-design

Editorial diagram skill for coding agentsPersonalAgent skillsDesign & creativeExtension / plugin★ 43kMITcommit 2 days ago

70worth

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T

Taste SkillLeonxlnx/taste-skill

Give your AI agent good design tastePersonalAgent skillsDesign & creativeExtension / plugin★ 92kMITcommit last week

68worth

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w

wshobson Agentswshobson/agents

Plugin marketplace of agents and skills for many harnessesPersonalEnterpriseAgent skillsExtension / plugin★ 40kMITcommit 5 days ago

68worth

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C

Claude Code Plugins (official)anthropics/claude-plugins-official

Anthropic's official Claude Code plugin directoryPersonalEnterpriseAgent skillsMCP serversExtension / plugin★ 37kApache-2.0commit 18 hours ago

68worth

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I

I Have ADHDayghri/i-have-adhd

Stop coding agents burying the answerPersonalAgent skillsExtension / plugin★ 53kMITcommit 2 weeks ago

65worth

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N

Nature SkillsYuan1z0825/nature-skills

Skills for Nature-style academic writing and figuresPersonalAgent skillsExtension / plugin★ 46kApache-2.0commit 5 days ago

64worth

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G

Guizang PPT Skillop7418/guizang-ppt-skill

Agent skill for polished HTML slide decksPersonalAgent skillsDesign & creativeExtension / plugin★ 27kAGPL-3.0commit 2 months ago

63worth

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K

Knowledge Work Pluginsanthropics/knowledge-work-plugins

Anthropic's plugins for knowledge workersPersonalEnterpriseAgent skillsExtension / plugin★ 26kApache-2.0commit 2 days ago

63worth

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S

Security Audit Skillcloudflare/security-audit-skill

Coding-agent skill for security auditsPersonalEnterpriseAgent skillsSecurity & identityExtension / plugin★ 24kMITcommit 3 weeks ago

63worth

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A

Anthropic Agent Skillsanthropics/skills

Anthropic's public repository of Agent SkillsPersonalEnterpriseAgent skillsExtension / plugin★ 179kcommit 5 days ago

62worth

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G

Google Skillsgoogle/skills

Agent skills for Google productsPersonalEnterpriseAgent skillsExtension / plugin★ 21kApache-2.0commit 23 hours ago

62worth

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