obsidian-markdown

obsidian-markdown is a skill for Claude Code, Codex from ntaffzii/Skill-Agents. It costs 73 tokens per session (500 once invoked), scanned A, original, MIT.

A guide for designing and organizing MCP tools, which are callable actions that let an agent read files, edit code, run commands, call APIs, or process data. It separates those actions from skills, which describe judgment and procedures.

In plain words
What is it for?
Use it to create, document, validate, or refactor MCP tools; define inputs and outputs; handle errors; connect tools with skills and workflows; and review dangerous operations.
Why use it?
It helps keep executable actions small, typed, understandable, and easy for agents to inspect. It also clarifies where a capability belongs: as a tool, skill, or workflow.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to create, document, validate, or refactor MCP tools; define inputs and outputs; handle errors; connect tools with skills and workflows; and review dangerous operations.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/ntaffzii/skill-agents/obsidian-markdown
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.

Any agent
npx skills add ntaffzii/Skill-Agents --skill obsidian-markdown
Clone the repo
git clone --depth 1 https://github.com/ntaffzii/Skill-Agents

Made for: Claude Code, Codex.

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-markdown

README.md
[![agentmods](https://agentmods.dev/badge/skills/ntaffzii/skill-agents/obsidian-markdown/github.svg)](https://agentmods.dev/skills/ntaffzii/skill-agents/obsidian-markdown)
Your own site
<a href="https://agentmods.dev/skills/ntaffzii/skill-agents/obsidian-markdown"><img src="https://agentmods.dev/badge/skills/ntaffzii/skill-agents/obsidian-markdown/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-markdown

Your own site · 80×15
<a href="https://agentmods.dev/skills/ntaffzii/skill-agents/obsidian-markdown"><img src="https://agentmods.dev/badge/skills/ntaffzii/skill-agents/obsidian-markdown.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 73 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 500 The whole file, excluding the scripts and references it only reads on demand.
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 $0.00073 $0.00500
Opus 5 $0.00036 $0.00250
Sonnet 5 $0.00015 $0.00100
Haiku 4.5 $0.00007 $0.00050

Measured 8d ago against content hash 182b5dc1b832, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

obsidian-markdown 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 8d 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.

skills/obsidian/obsidian-markdown/SKILL.md · 76 lines

What it actually says

Obsidian Markdown

Use this skill to create valid Obsidian notes.

Workflow

  1. Add properties

    • Put YAML frontmatter at the top when the note needs metadata.
    • Use title, tags, aliases, status, date, or project-specific properties when appropriate.
  2. Structure the note

    • Use standard Markdown headings and lists.
    • Keep headings linkable and specific.
    • Use task checkboxes for actionable items.
  3. Link the vault

    • Use [[Note Name]] for internal notes.
    • Use [[Note Name|Display Text]] when the note title is not natural in prose.
    • Use normal Markdown links only for external URLs.
  4. Add Obsidian syntax when useful

    • Embeds: ![[Note Name]], ![[image.png|300]]
    • Callouts: > [!note], > [!warning] Custom Title
    • Tags: #tag or #nested/tag
    • Comments: %% hidden comment %%
    • Highlights: ==highlighted text==
  5. Verify

    • Check frontmatter is valid YAML.
    • Check wikilinks point to intended note names.
    • Check callout syntax has > on each line.

Common Patterns

---
title: Project Alpha
tags:
  - project
  - active
status: in-progress
---

# Project Alpha

Related: [[Project Index]]

> [!important] Decision
> Use the existing sync pipeline for the first release.

## Tasks

- [ ] Confirm owner
- [ ] Draft implementation plan

Rules

  • Prefer wikilinks for vault-internal references.
  • Do not use external URL syntax for internal notes.
  • Keep tags lowercase unless the vault already uses another convention.

Output Format

End with:

  • Notes created or changed
  • Properties, tags, and links added
  • Obsidian syntax used
  • Validation performed
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. 8d ago First seen · 76 lines · 73 tokens per session scan A 182b5dc1b832

Subscribe to this mod's changes

obsidian-markdown is a skill published in the GitHub repository ntaffzii/Skill-Agents (4 stars, last pushed today), licensed MIT. It adds 73 tokens to every session and 500 once invoked, about $0.0004 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 2026-08-31.

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