The best human-writing alternatives

oh-story-claudecode

zenstory-ai/oh-story-claudecode

网文/小说写作 skill 包，覆盖长篇与短篇网络小说的扫榜、拆文、写作、去AI味、封面图全流程 | An all-in-one skill pack for long- and short-form web fiction.

Choose oh-story-claudecode if…

• you would rather work in JavaScript than Python
• you want the more widely starred option (8.3k)
• you want the more recently updated codebase
• you specifically need ai-agent or ai-writing

Shares agent-skills, creative-writing with human-writing.

skills

anthropics/skills

Public repository for Agent Skills

Choose skills if…

• you want the more widely starred option (187.0k)
• you want the more recently updated codebase

Shares agent-skills with human-writing.

humanizer

blader/humanizer

Scanned · findings(2)

Agent skill that removes signs of AI-generated writing from text

Choose humanizer if…

• you want the more widely starred option (64.2k)
• you want the more recently updated codebase
• you specifically need ai-writing or claude-code

Shares agent-skills with human-writing.

scientific-agent-skills

K-Dense-AI/scientific-agent-skills

Turn any AI agent into an AI Scientist. The #1 Agent Skills library for science, used by 190,000+ scientists worldwide. 165 ready-to-use validated skills plus 100+ scientific databases covering biology, chemistry, medicine, and drug discovery. Compatible with Cursor, Claude Code, Codex, Pi, Antigravity, and the open Agent Skills standard.

Choose scientific-agent-skills if…

• you want the more widely starred option (55.9k)
• you want the more recently updated codebase
• you specifically need ai-scientist or bioinformatics

Shares agent-skills with human-writing.

agentic-awesome-skills

sickn33/agentic-awesome-skills

AAS Core is the local, agent-first control plane for complete catalog discovery, agent-owned selection, stack validation, and planning, backed by 2,115+ agentic skills. Includes CLI, local MCP, catalog, plugins, and Workbench.

Choose agentic-awesome-skills if…

• you want the more widely starred option (49.1k)
• you want the more recently updated codebase
• you specifically need agentic-skills or ai-agent-skills

Shares agent-skills with human-writing.

book-to-skill

virgiliojr94/book-to-skill

Turn any technical book PDF into a Claude Code skill — ready to study, reference, and use while you work.

Choose book-to-skill if…

• you want the more widely starred option (36.8k)
• you want the more recently updated codebase
• you specifically need ai-agents or book-to-skill

Shares agent-skills with human-writing.

agentskills

agentskills/agentskills

Specification and documentation for Agent Skills

Choose agentskills if…

• Apache License 2.0 suits your use better than MIT License
• you want the more widely starred option (26.9k)

Shares agent-skills with human-writing.

SkillSpector

NVIDIA/SkillSpector

Security scanner for AI agent skills. Detect vulnerabilities, malicious patterns, security risks, prompt injection, data exfiltration, and supply-chain risks in Claude Code, Codex, and MCP skills before you install them.

Choose SkillSpector if…

• Apache License 2.0 suits your use better than MIT License
• you want the more widely starred option (24.1k)
• you want the more recently updated codebase
• you specifically need agent-security or agentic-ai

Shares agent-skills with human-writing.

khazix-skills

KKKKhazix/khazix-skills

数字生命卡兹克开源的 AI Skills 合集 | Agent Skills: leader（帮你定义目标）, neat-freak 洁癖, hv-analysis, khazix-writer & more — Claude Code, Codex & 40+ agents

Choose khazix-skills if…

• you want the more widely starred option (21.9k)
• you want the more recently updated codebase
• you specifically need ai-agents or claude

Shares agent-skills with human-writing.

SkillOpt

microsoft/SkillOpt

SkillOpt is a text-space optimizer that trains reusable natural-language skills for frozen LLM agents through trajectory-driven edits, validation-gated updates, and deployable best_skill.md artifacts.

Choose SkillOpt if…

• you want the more widely starred option (18.9k)
• you want the more recently updated codebase
• you specifically need self-evolving-agents

Shares agent-skills with human-writing.

skills

trailofbits/skills

Trail of Bits Claude Code skills for security research, vulnerability detection, and audit workflows

Choose skills if…

• Creative Commons Attribution Share Alike 4.0 International suits your use better than MIT License
• you want the more widely starred option (8.0k)
• you want the more recently updated codebase

Shares agent-skills with human-writing.

codex-ppt-skill

ningzimu/codex-ppt-skill

GPT-Image-2 PPT Generator Skill for Creating Image-Based PowerPoint Presentations in Codex and Other Skill-Compatible Agents

Choose codex-ppt-skill if…

• you want the more widely starred option (7.6k)
• you want the more recently updated codebase
• you specifically need ai-ppt or claude-code

Shares agent-skills with human-writing.