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Ontology Free

Category: General  ·  Sub-category: general-misc  ·  Last updated:
类型化知识图谱引擎，将知识表示为可验证的实体-关系图谱。每个实体拥有类型、属性和关系， 所有变更在提交前根据类型约束进行验证。基础能力涵盖类型化实体创建与验证、关系图谱与基数约束、 Schema约束系统。支持 Person、Project、Task 等核心实体类型，可通过Schema自定义扩展. 数据以追加式 JSONL 格式存储。适用于项目任务管理、依赖关系追踪、知识库构建等场景.
Security AStatic scan found no risk patternsHow grading works ›

From the source SKILL.md

将知识表示为可验证的实体-关系图谱系统。一切皆为实体，拥有类型、属性和与其他实体的关系。每次变更在提交前根据类型约束进行验证，确保图谱一致性。支持追加式变更日志，保留完整历史记录.

What this skill does

Ontology Free is a community-contributed Claude Code skill in the general-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/ontology-free/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Ontology Free Claude Code skill is built for Claude Code users and developers across all disciplines looking for general-purpose AI assistance. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 174,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/ontology-free
curl -L https://claudskills.com/skills/ontology-free/SKILL.md \
  -o ~/.claude/skills/ontology-free/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/ontology-free/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/ontology-free/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\ontology-free\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Telegram

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the Ontology Free Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/ontology-free/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.
What does the Ontology Free skill do?
类型化知识图谱引擎，将知识表示为可验证的实体-关系图谱。每个实体拥有类型、属性和关系， 所有变更在提交前根据类型约束进行验证。基础能力涵盖类型化实体创建与验证、关系图谱与基数约束、 Schema约束系统。支持 Person、Project、Task 等核心实体类型，可通过Schema自定义扩展. 数据以追加式 JSONL 格式存储。适用于项目任务管理、依赖关系追踪、知识库构建等场景.
Is this skill free to install?
Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.
When should I use the Ontology Free skill?
Use Ontology Free when your Claude Code task falls under the General category — specifically in the general misc area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Ontology Free" or describe the task and let Claude pick). Browse related skills at /category/general/.
What is a Claude Code skill and how does the Ontology Free skill fit in?
A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Ontology Free is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the General category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA
thcjp. (2026). Ontology Free [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/ontology-free/
BibTeX
@misc{ontology-free-2026,
  author    = {thcjp},
  title     = {Ontology Free [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/ontology-free/}
}

Embed this skill

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<script>
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<iframe>
<iframe src="https://claudskills.com/embed/ontology-free.html" width="100%" height="160" frameborder="0" loading="lazy" title="ClaudSkills: Ontology Free"></iframe>

Security scan

Grade A · scanned 2026-08-02 — free static scan against the OWASP Agentic Skills Top 10.

No risk patterns were found in any of the ten OWASP-aligned categories. How grading works ›

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[![Security: A](https://img.shields.io/badge/Security-A-2e7d32)](https://claudskills.com/skills/ontology-free/#security)

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Browse all General skills in the ClaudSkills registry, or explore these other picks from the same category:

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Part of ClaudSkills — the open registry for Claude Skills & Claude Code Skills.  ·  What's New  ·  Install guide  ·  About  ·  llms.txt

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