obsidian

A set of instructions for working with Obsidian vaults, which are folders containing plain Markdown notes. It covers finding, searching, creating, moving, and renaming notes.

In plain words
What is it for?
Finding a vault, searching note titles or contents, creating notes, listing recent notes, and moving or renaming Markdown files.
Why use it?
It helps an agent work with local Obsidian notes without confusing them with Notion pages or other document types.

Skill for Claude CodeCodex

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/ericwang915/pythonclaw/obsidian
Any agent
npx skills add ericwang915/PythonClaw --skill obsidian
Clone the repo
git clone --depth 1 https://github.com/ericwang915/PythonClaw

Made for: Claude Code, Codex.

Per session 63 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 705 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00063 $0.00705
Opus 5 $0.00032 $0.00352
Sonnet 5 $0.00013 $0.00141
Haiku 4.5 $0.00006 $0.00071

Measured 2d ago against content hash 188ebc150a06, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

obsidian 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 2d ago.

The scan reads SKILL.md. This mod also ships 1 executable file (obsidian_vault.py), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

pythonclaw/templates/skills/productivity/obsidian/SKILL.md · 111 lines

How it starts

The opening of the file, as written. The whole thing — 111 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Obsidian

Work with Obsidian vaults — they are just folders of plain Markdown files.

When to Use

USE this skill when:

  • "Search my notes for X"
  • "Create a new note about Y"
  • "Find all notes tagged with Z"
  • "Move this note to a different folder"
  • "List my recent notes"

When NOT to Use

DON'T use this skill when:

  • Notion pages → use notion skill
  • Non-Markdown documents → use appropriate file tools
  • Obsidian plugin settings → edit .obsidian/ config directly
  • Google Docs → use google_workspace skill

Vault Location

Obsidian vaults are normal folders on disk. Common locations:

  • macOS: ~/Documents/Obsidian/, ~/Library/Mobile Documents/...
  • Linux: ~/Documents/Obsidian/, ~/Notes/
  • Windows: %USERPROFILE%\Documents\Obsidian\

On macOS, vault paths are tracked in: ~/Library/Application Support/obsidian/obsidian.json

Commands

Find the vault path

python {skill_path}/obsidian_vault.py locate

Search note titles

python {skill_path}/obsidian_vault.py search "query"

Search note content

python {skill_path}/obsidian_vault.py search-content "query"

Create a new note

python {skill_path}/obsidian_vault.py create "Folder/Note Title" --content "# My Note\n\nContent here"

List notes in a folder

python {skill_path}/obsidian_vault.py list "folder/path"

List recent notes

python {skill_path}/obsidian_vault.py recent --limit 10

Direct file editing

Since Obsidian notes are plain Markdown, you can always edit them directly:

# Read a note
cat ~/Documents/Obsidian/MyVault/Notes/example.md

# Append to a note
echo "## New Section" >> ~/Documents/Obsidian/MyVault/Notes/example.md

Obsidian will pick up changes automatically.

Obsidian uses [[wikilinks]] for inter-note links. When moving or renaming notes, consider updating links in other files that reference the moved note.

Notes

  • Vault = normal folder; no special tools needed for basic operations
  • Config lives in .obsidian/ (workspace + plugin settings) — usually don't touch
  • Avoid writing to hidden dot-folders via Obsidian URI
  • Multiple vaults are common (work/personal, iCloud/local)

Read the full file on GitHub · 111 lines

Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 2d ago First seen · 111 lines · 63 tokens per session scan A 188ebc150a06

Subscribe to this mod's changes

obsidian is a skill published in the GitHub repository ericwang915/PythonClaw (41 stars, last pushed 24d ago), licensed MIT. It adds 63 tokens to every session and 705 once invoked, about $0.0003 per session on Opus 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.

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