AI and process

Obsidian

Knowledge base app

Obsidian is a knowledge base app that stores notes as Markdown files, links them together and shows the connections as a graph.

Official site

What is Obsidian?

Obsidian is a note-taking and knowledge management app that stores content as plain Markdown files in a local folder called a vault. Notes are connected with links, and the graph view shows how topics relate to one another. Because the data is open text files, the knowledge base is easy to version, search and share with other tools, including AI agents.

How we use it at Koda Plus

In our web application for the insulation company Wekert, the company knowledge base in Obsidian is the brain of the admin panel, while the website and panel run on Next.js and React. We rely on a knowledge base ourselves too: KODA Vault holds hundreds of pages of standards, playbooks and decisions from real implementations, which AI agents receive at the start of every project. The graph on our website presents that knowledge base in the style of Obsidian’s graph view.

When it makes sense

  • Company knowledge is scattered across documents and people’s heads
  • Procedures and decisions should be available to AI agents
  • You want knowledge in an open format, not a closed cloud
  • You want to see connections between topics and documents

Frequently asked questions
Obsidian

  • What is a vault in Obsidian?

    A vault is a folder on disk where Obsidian keeps notes, attachments and settings. Each note is a separate Markdown file, so a vault can live in a Git repository, be synced with Obsidian Sync or another tool and be opened outside Obsidian as well.

  • What is the difference between Obsidian and Notion?

    Notion stores data in the provider’s cloud and works as a shared workspace in the browser and its apps. Obsidian keeps notes as local Markdown files on your own disk, available without an internet connection. Notion suits real-time collaborative editing, while Obsidian suits full control over data and connecting with other tools.

  • Can Obsidian be connected to AI?

    Yes. Notes are plain text files, so an AI agent or assistant can read them directly, through community plugins or via an MCP server. It is worth deciding which parts of the vault the model can access, especially if it contains customer data.

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