Claudian (YishenTu/claudian)

Type: Native Obsidian plugin (TypeScript, embedded Claude Code/Codex) URL: https://github.com/YishenTu/claudian Install: BRAT or manual (not yet in community store)

What It Does

Embeds Claude Code (or Codex CLI) directly inside Obsidian as a sidebar chat. The vault becomes the agent's working directory — all Claude Code tools work natively inside Obsidian.

Key Features

Inline Edit with Word-Level Diff

Select text in a note + hotkey → Claude proposes edit with word-level diff preview → one-click apply. Best-in-class inline editing in the Obsidian AI ecosystem.

Plan Mode (Shift+Tab)

Agent explores and designs before implementing. Presents a plan for approval before any file changes. Mirrors Claude Code's own plan mode.

@mention System

Type @ to reference:

Vault files
Sub-agents
MCP servers
Files in external directories (outside vault)

Instruction Mode (#)

Add refined custom instructions directly from chat input — persisted for the session.

MCP Server Integration

Connect external tools via stdio, SSE, or HTTP. Claude manages vault MCP in-app; Codex uses CLI-managed config.

Multi-Tab Conversations

Multiple chat tabs, conversation history, fork, resume, compact mode.

Privacy

No telemetry
Settings stored in vault/.claudian/
Claude files in vault/.claude/
Transcripts in ~/.claude/projects/

Relevance to claude-obsidian

Claudian is a native plugin (different category) but its Plan Mode, @mention, and inline edit patterns could inspire new features in claude-obsidian skills — particularly for the canvas and wiki-query workflows.

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