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obsidian-agent-memory: Instructions file for Claude Code

CLAUDE.md

obsidian-agent-memory CLAUDE.md is an instructions file for Claude Code from mithunyc/obsidian-agent-memory. It costs 151 tokens per session, scanned A, a copy of obsidian-agent-memory AGENTS.md, MIT.

A set of rules for an AI coding agent working in an Obsidian vault, a folder of linked Markdown notes. It requires reading the vault’s rules and retrieval instructions before making changes.

In plain words
What is it for?
It guides note retrieval and editing, limits new files to Markdown and Obsidian Bases files, and records important vault changes.
Why use it?
It prevents the agent from changing protected files, using the wrong note structure, or missing required change logs.

Instructions file for Claude Code

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

This is mithunyc/obsidian-agent-memory's own configuration. It tells Claude Code how to work on obsidian-agent-memory 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-agent-memory configures →

not rated 4repo 6mo ago A scan 151 tokens copy · 86% MIT
View source ↗ mithunyc/obsidian-agent-memory
Reuse

Borrowing it

Nothing to install: this file belongs to mithunyc/obsidian-agent-memory. 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/mithunyc/obsidian-agent-memory/master/CLAUDE.md
Clone the repo
git clone --depth 1 https://github.com/mithunyc/obsidian-agent-memory

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.

agentmods badge for obsidian-agent-memory CLAUDE.md

README.md
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Your own site
<a href="https://agentmods.dev/instructions/mithunyc/obsidian-agent-memory/claude-md"><img src="https://agentmods.dev/badge/instructions/mithunyc/obsidian-agent-memory/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-agent-memory CLAUDE.md

Your own site · 80×15
<a href="https://agentmods.dev/instructions/mithunyc/obsidian-agent-memory/claude-md"><img src="https://agentmods.dev/badge/instructions/mithunyc/obsidian-agent-memory/claude-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 151 This file is loaded in full into every session.
When invoked 151 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 86% copy Near-identical to another mod 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 $0.00151 $0.00151
Opus 5.5 $0.00060 $0.00060
Sonnet 5.5 $0.00030 $0.00030
Haiku 4.5 $0.00015 $0.00015

Measured 2mo ago against content hash 7b810b81227e, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

obsidian-agent-memory 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.

Origin

This is a copy

86% identical to obsidian-agent-memory AGENTS.md — 10 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

CLAUDE.md · 17 lines

What it actually says

Claude Code — Vault Adapter

Read the canonical rules file before taking any action in this vault.

→ 00_System/AI/VAULT_RULES.md

Then follow the retrieval protocol:

→ 00_System/AI/RETRIEVAL_PROTOCOL.md

Constraints:

  • Do not modify .obsidian/ unless explicitly asked.
  • Treat any raw/ folder as immutable — read only.
  • Create only .md and .base files.
  • Use the property schema defined in 00_System/Templates/.
  • Log significant vault changes in 00_System/Logs/Vault-Changes.md.
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 · 17 lines · 151 tokens per session scan A 7b810b81227e

Subscribe to this mod's changes

obsidian-agent-memory CLAUDE.md is an instructions file published in the GitHub repository mithunyc/obsidian-agent-memory (4 stars, last pushed 6mo ago), licensed MIT. It adds 151 tokens to every session, about $0.0006 per session on Opus 5.5. A static security scan graded it A with 0 findings. It is 86% identical to obsidian-agent-memory AGENTS.md, differing in 10 lines, and is treated as a copy.

Memory and contextai-agentclaudecontext-windowcopilotcursordeveloper-tools
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