Open Knowledge
Open Knowledge is an agent skill (a SKILL.md file) from inkeep/open-knowledge. Authoritative agent-runtime contract for working inside an OpenKnowledge project — a markdown-CRDT knowledge base exposed over MCP. It works with Claude Code, Codex, Cursor and OpenCode and has 4,694 GitHub stars across a repository of 3 listed skills.
github.com/inkeep/open-knowledge/packages/server/assets/skills/project (opens in a new tab)
Data as of from the GitHub API; description from the skill's SKILL.md. Report an error
- Official
- Multi-skill repo
- Docs & writing
- Active
Add this skill
Claude
Claude Code loads skills from ~/.claude/skills/ (all projects) or .claude/skills/ (one project):
git clone --depth 1 https://github.com/inkeep/open-knowledge.git
cp -r open-knowledge/packages/server/assets/skills/project ~/.claude/skills/open-knowledge # personal, or .claude/skills in a projectIn the Claude apps, zip the open-knowledge folder and upload it under Customize > Skills > + > Upload a skill (code execution must be on).
ChatGPT / Codex
Codex reads skills from .agents/skills/ in a repo or ~/.agents/skills/ for every project:
git clone --depth 1 https://github.com/inkeep/open-knowledge.git
cp -r open-knowledge/packages/server/assets/skills/project .agents/skills/open-knowledge # repo; ~/.agents/skills for all projectsStandalone skills also load in the ChatGPT desktop app.
Cursor
Cursor loads skills from .cursor/skills/ (or ~/.cursor/skills/) and also reads .claude/skills/:
git clone --depth 1 https://github.com/inkeep/open-knowledge.git
cp -r open-knowledge/packages/server/assets/skills/project .cursor/skills/open-knowledge # project; ~/.cursor/skills for all projectsSource (checked Oct 7, 2026): code.claude.com/docs/en/skills (opens in a new tab), support.claude.com/en/articles/12512180-using-skills-in-claude (opens in a new tab), learn.chatgpt.com/docs/build-skills (opens in a new tab), cursor.com/docs/context/skills (opens in a new tab)
What this skill does
Authoritative agent-runtime contract for working inside an OpenKnowledge project — a markdown-CRDT knowledge base exposed over MCP. Use whenever reading, listing, searching, editing, or linting any .md or .mdx file in the project, and before any mcpopen-knowledge tool call (exec, search, write, edit, lint, and the rest). Installed by ok init, so its presence means this is an OpenKnowledge project and it governs every markdown file here.
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How do I install the Open Knowledge skill?
Copy the open-knowledge folder (the one containing SKILL.md) into ~/.claude/skills/ for Claude Code, .agents/skills/ for Codex or .cursor/skills/ for Cursor. The agent picks it up automatically when a task matches its description.
Is the Open Knowledge skill free?
Yes. The repository is open source under the GPL-3.0 license.
Is Open Knowledge maintained?
The repository's most recent commit was on Oct 26, 2026. Its latest release is v0.88.2. appsgit only lists skills from repositories with a commit in the last six months.