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Obsidian is a Markdown note-taking tool focused on local storage, with all files saved in folders on your own computer—secure, private, and usable offline. Combined with bidirectional linking and a vast array of plugins, it's particularly well-suited for programmers to store code, take notes, and build long-term knowledge repositories.\n\nClaude Code is an AI programming assistant launched by Anthropic, optimized based on the Claude large language model. It excels at reading, modifying, and writing code, as well as debugging issues.\n\nWe can install the Claudian plugin in Obsidian to directly integrate Claude Code, allowing AI to help you write documentation, organize notes and project progress, and automatically push daily AI highlights—transforming your note library into an intelligent workspace.\n\n!(#)\n\n* * *\n\n## Environment Installation and Configuration\n\n### 1. Download Obsidian\n\nFirst, we need to download Obsidian from the official website [https://obsidian.md/download](https://obsidian.md/download), which provides versions for various operating systems:\n\n!(#)\n\n### 2. Install Claude Code\n\nRun in terminal (global installation, only need to do this once):\n\nnpm install -g @anthropic-ai/claude-code\nAfter installation, run once to authorize:\n\nclaude\nIt will prompt you to log in to your Claude account and complete OAuth authorization (only need to do this once).\n\n> **Note:** If you don't have a Claude account, you can also use domestic large models as an substitute. Refer to: (#).\n> \n> \n> For detailed information about Claude Code, refer to: [\n\n### 3. Install Obsidian Community Plugin Claudian\n\nWe can download the three files `main.js`, `manifest.json`, and `styles.css` from GitHub Release [https://github.com/YishenTu/claudian/releases/latest](https://github.com/YishenTu/claudian/releases/latest):\n\n!(#)\n\nIn your Obsidian vault's plugin folder `plugins` (create it if it doesn't exist), create a new folder named `claudian`. Example path:\n\n/path/to/vault/.obsidian/plugins/claudian/\n**Note:** `/path/to/vault/` should be replaced with your actual Obsidian vault path.\n\nYou can see the detailed path in the vault management menu:\n\n!(#)\n\nCopy the three downloaded files into this `claudian/plugins/` folder.\n\n.obsidian/└── plugins/ └── claudian/ ├── main.js # Compiled JavaScript main file of the plugin (contains all logic) ├── manifest.json # Plugin metadata (ID, name, version, description, minimum Obsidian version, etc.) └── styles.css # Plugin CSS styles\n!(#)\n\nEnable the plugin in Obsidian: Settings → Community Plugins → Turn on the "Claudian" plugin switch.\n\n!(#)\n\nThrough settings, you can set the language to Chinese:\n\n!(#)\n\n!(#)\n\n* * *\n\n## First Time Using Claudian\n\nOpen any note, and a robot icon will appear in the left sidebar (or use the command palette Ctrl/Cmd+P and type "Claudian: Open Chat"):\n\n!(#)\n\nThe first time you open it, you'll be prompted to select a Claude model (you can also set up domestic large models). Typing `/` in the input box will show all available skills:\n\n!(#)\n\nTest:\n\nWrite a new note (most common scenario)textHelp me write a literature note on the 'Top 5 AI Coding Tools to Watch in 2026', using my most frequently used literature note template in the vault, and scrape information from web pages updated today.\nThen it starts working normally:\n\n!(#)\n\n### Features and Usage Methods\n\nOpen the chat sidebar via the sidebar function area icon or command palette, select text, and use keyboard shortcuts for inline editing.\n\nAll operations are consistent with the coding agents you're familiar with (Claude Code, Codex, Opencode, Pi)—talk to the agent, and it can read, write, edit, and search files in your vault.\n\n* **Inline Editing** — After selecting text or positioning the cursor, press the shortcut key to edit content directly in the note, with word-level diff preview.\n* **Slash Commands and Skills** — Type `/` or `$` to invoke reusable prompt templates, or Skills from user-level / vault-level scope.\n* **@ Mentions** — Type `@` to mention any object you want the agent to process, including vault files, sub-agents, MCP servers, or files in external directories.\n* **Plan Mode** — Toggle with Shift+Tab. The agent will explore design solutions before implementing, then present the plan for your confirmation.\n* **Directive Mode #** — Add fine-grained custom directives in the chat input box.\n* **MCP Servers** — Connect external tools via Model Context Protocol (supporting standard input/output, server-sent events, HTTP). Claude can manage vault-level MCP within the app; Codex uses its independent command-line interface (CLI) to manage MCP configuration.\n* **Multi-tab and Conversations** — Supports multiple chat tabs, conversation history, conversation branching, resuming conversations, and compact view mode.