Claudian

Claudian is an Obsidian plugin that puts AI coding agents like Claude Code inside your notes vault for working on your notes.

What it is good for

  • Editing and rewriting notes directly inside an Obsidian vault
  • Searching and organizing files across a personal knowledge base
  • Running multi-step tasks on a folder of notes with an AI agent
  • Letting several AI chat sessions share instructions and memory

At a glance

Who it is for
Setup
Install a desktop app or browser extension

Level 3 of 5. Download and install it like any other app or extension.

Cost
Free and open source
Type
Agent app
Tasks
Works with
Obsidian, Claude Code, Codex, Grok Build, OpenCode, Pi

Momentum

Rank this week
Not ranked yet
Best rank
None yet
GitHub stars
15,889

GitHub numbers as of Nov 2, 2026. Updated weekly.

15.4k 15.6k 15.9k Sep 24, 2026 Nov 2, 2026
GitHub stars for Claudian: 15,407 on Sep 24, 2026, 15,889 on Nov 2, 2026. Source: GitHub.

Official links

Setup steps are on the official pages. We do not repeat them here, since they change.

Questions

Is Claudian free?
Yes. It is free and open source (MIT license).
Do I need to know how to code to use Claudian?
No. Download and install it like any other app or extension.
What does Claudian work with?
According to its own documentation, it works with Obsidian, Claude Code, Codex, Grok Build, OpenCode, and Pi.
What is Claudian good for?
Editing and rewriting notes directly inside an Obsidian vault, searching and organizing files across a personal knowledge base, running multi-step tasks on a folder of notes with an AI agent, and letting several AI chat sessions share instructions and memory.

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Last updated Nov 2, 2026. Tracked since Oct 28, 2026. The summary was written by an AI model from the project's own description and checked against our copy rules. Spotted an error? Tell us.