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obsidian-claude-code-plugin: Instructions file for Claude Code

CLAUDE.md

obsidian-claude-code-plugin CLAUDE.md is an instructions file for Claude Code from deivid11/obsidian-claude-code-plugin. It costs 379 tokens per session, scanned A, original, MIT.

Repository instructions for an Obsidian plugin that lets users use Claude Code with the current note and the whole vault. Obsidian is an app for linked notes, and a vault is its folder of notes.

In plain words
What is it for?
Use them when changing the plugin, running its development or production build, installing it in an Obsidian vault, or working on its command runner, saved sessions, or user interface.
Why use it?
They keep development aligned with the project documentation and requirements while showing where the main code lives and how to build it.

Instructions file for Claude Code

Written for Claude Code: the file is CLAUDE.md. Also seen: mentions Claude Code.

This is deivid11/obsidian-claude-code-plugin's own configuration. It tells Claude Code how to work on obsidian-claude-code-plugin itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything obsidian-claude-code-plugin configures →

not rated 88repo 10mo ago A scan 379 tokens original MIT
View source ↗ deivid11/obsidian-claude-code-plugin
Reuse

Borrowing it

Nothing to install: this file belongs to deivid11/obsidian-claude-code-plugin. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/deivid11/obsidian-claude-code-plugin/main/CLAUDE.md
Clone the repo
git clone --depth 1 https://github.com/deivid11/obsidian-claude-code-plugin

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

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README.md
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Your own site
<a href="https://agentmods.dev/instructions/deivid11/obsidian-claude-code-plugin/claude-md"><img src="https://agentmods.dev/badge/instructions/deivid11/obsidian-claude-code-plugin/claude-md/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for obsidian-claude-code-plugin CLAUDE.md

Your own site · 80×15
<a href="https://agentmods.dev/instructions/deivid11/obsidian-claude-code-plugin/claude-md"><img src="https://agentmods.dev/badge/instructions/deivid11/obsidian-claude-code-plugin/claude-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 379 This file is loaded in full into every session.
When invoked 379 The same file — it is already loaded in full.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00379 $0.00379
Opus 5.5 $0.00152 $0.00152
Sonnet 5.5 $0.00076 $0.00076
Haiku 4.5 $0.00038 $0.00038

Measured 2mo ago against content hash 3e9fec25b408, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

obsidian-claude-code-plugin CLAUDE.md scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

CLAUDE.md · 45 lines

What it actually says

Claude Code Integration for Obsidian

Overview

This plugin integrates Claude Code into Obsidian, allowing you to chat with Claude about your current note and the entire vault.

Documentation is in the docs directory.

⚠️ CRITICAL: ALWAYS FOLLOW DOCUMENTATION AND PRD

You must always follow the documentation and PRD. If you have questions, please ask the user before beginning work.

Commands

  • npm run dev: Build the plugin in development mode (watch mode).
  • npm run build: Build the plugin for production.
  • make build-install DEST=<path>: Build and install to a specific Obsidian vault.
  • make setup-plugin DEST=<path>: Symlink the build directory to an Obsidian vault.

Code Structure

  • src/main.ts: Entry point. Registers view, commands, and settings.
  • src/core/: Core logic (Runner, Settings, Session Manager).
    • claude-code-runner.ts: Manages the claude CLI process.
    • session-manager.ts: Handles session persistence per note.
  • src/ui/: User Interface (View, Renderers).
    • view.ts: Main view logic.
    • ui-builder.ts: DOM construction.
  • src/managers/: State managers (Note Context).

Architecture

  • Process Model: Spawns claude CLI as a child process.
  • Communication: Stdin/Stdout (JSON stream).
  • State: Per-note context (history, active process).
  • Storage: .obsidian/plugins/claude-code-integration/sessions/.

Key Features

  • Chat interface for Claude Code.
  • Context-aware (current note, vault).
  • Streaming responses.
  • Diff view for file modifications.
  • Tool usage tracking.
Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2mo ago First seen · 45 lines · 379 tokens per session scan A 3e9fec25b408

Subscribe to this mod's changes

obsidian-claude-code-plugin CLAUDE.md is an instructions file published in the GitHub repository deivid11/obsidian-claude-code-plugin (88 stars, last pushed 10mo ago), licensed MIT. It adds 379 tokens to every session, about $0.0015 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

Memory and context
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