obsidian-mind: Skill for Claude Code

.claude/skills/mermaid-visualizer/SKILL.md

mermaid-visualizer is a skill for Claude Code from breferrari/obsidian-mind. It costs 57 tokens per session (2,126 once invoked), scanned A, original, MIT.

A guide for turning written ideas into Mermaid diagrams, which are text-based diagrams that render in tools such as GitHub and Obsidian.

In plain words
What is it for?
Use it to create flowcharts, system architectures, comparisons, mind maps, and other diagrams for presentations or documentation.
Why use it?
It helps choose a suitable diagram structure and avoid syntax mistakes that can stop the diagram from rendering.

Skill for Claude Code

Written for Claude Code: installed under .claude/.

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

Part of the obsidian plugin — 8 skills, 20 commands, 10 agents, 5 hooks, 1 MCP server shipped together

About the project

Obsidian Mind is an Obsidian vault that stores notes, links, indexes, and other accumulated context so AI coding agents can retain memory across sessions. It is designed for Claude Code and also supports Codex CLI and Gemini CLI through shared hooks, commands, and vault data. Its catalogue add-ons package the vault’s commands, agents, skills, hooks, instructions, settings, plugin, and MCP integration.

breferrari/obsidian-mind · 4,620 stars · on GitHub

Reuse

Borrowing it

Nothing to install: this file belongs to breferrari/obsidian-mind. 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/breferrari/obsidian-mind/main/.claude/skills/mermaid-visualizer/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/breferrari/obsidian-mind

Made for: Claude Code.

Or install obsidian, the plugin that ships this one along with the rest of its 8 skills, 20 commands, 10 agents, 5 hooks, 1 MCP server.

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 mermaid-visualizer

README.md
[![agentmods](https://agentmods.dev/badge/skills/breferrari/obsidian-mind/mermaid-visualizer/github.svg)](https://agentmods.dev/skills/breferrari/obsidian-mind/mermaid-visualizer)
Your own site
<a href="https://agentmods.dev/skills/breferrari/obsidian-mind/mermaid-visualizer"><img src="https://agentmods.dev/badge/skills/breferrari/obsidian-mind/mermaid-visualizer/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 mermaid-visualizer

Your own site · 80×15
<a href="https://agentmods.dev/skills/breferrari/obsidian-mind/mermaid-visualizer"><img src="https://agentmods.dev/badge/skills/breferrari/obsidian-mind/mermaid-visualizer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 57 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,126 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. Third-party audits
  • NVIDIA SkillSpector warn 7 Sept 2026
SkillSpector: 2 findings, up to high

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

  • high YARA Match · line 31
    YARA rule matched a hack tool or exploit indicator (offensive tools, reconnaissance, privilege escalation, or exploit frameworks).
    Fix: Remove offensive tool references and exploit code. Legitimate agent skills should not contain penetration testing tools, exploit frameworks, or reconnaissance utilities.
  • high Memory Poisoning · line 92
    Skill manipulates agent memory, state, or stored context. Memory corruption can alter personality, override safety rules, or cause unpredictable behavior.
    Fix: Protect agent memory and state from modification by untrusted content. Use read-only memory for critical instructions and validate all state changes.
How audits are shown
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 $0.00057 $0.02126
Opus 5 $0.00028 $0.01063
Sonnet 5 $0.00011 $0.00425
Haiku 4.5 $0.00006 $0.00213

Measured 10d ago against content hash 131decc93edb, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

mermaid-visualizer 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 10d 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

Copies of this mod

5 near-identical copies found in the catalogue:

.claude/skills/mermaid-visualizer/SKILL.md · 277 lines

How it starts

The opening of the file, as written. The whole thing — 277 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Mermaid Visualizer

Overview

Convert text content into clean, professional Mermaid diagrams optimized for presentations and documentation. Automatically handles common syntax pitfalls (list syntax conflicts, subgraph naming, spacing issues) to ensure diagrams render correctly in Obsidian, GitHub, and other Mermaid-compatible platforms.

Quick Start

When creating a Mermaid diagram:

  1. Analyze the content - Identify key concepts, relationships, and flow
  2. Choose diagram type - Select the most appropriate visualization (see Diagram Types below)
  3. Select configuration - Determine layout, detail level, and styling
  4. Generate diagram - Create syntactically correct Mermaid code
  5. Output in markdown - Wrap in proper code fence with optional explanation

Default assumptions:

  • Vertical layout (TB) unless horizontal requested
  • Medium detail level (balanced between simplicity and information)
  • Professional color scheme with semantic colors
  • Obsidian/GitHub compatible syntax

Diagram Types

1. Process Flow (graph TB/LR)

Best for: Workflows, decision trees, sequential processes, AI agent architectures

Use when: Content describes steps, stages, or a sequence of actions

Key features:

  • Swimlanes via subgraph for grouping related steps
  • Arrow labels for transitions
  • Feedback loops and branches
  • Color-coded stages

Configuration options:

  • layout: "vertical" (TB), "horizontal" (LR)
  • detail: "simple" (core steps only), "standard" (with descriptions), "detailed" (with annotations)
  • style: "minimal", "professional", "colorful"

2. Circular Flow (graph TD with circular layout)

Best for: Cyclic processes, continuous improvement loops, agent feedback systems

Use when: Content emphasizes iteration, feedback, or circular relationships

Key features:

  • Central hub with radiating elements
  • Curved feedback arrows
  • Clear cycle indicators

3. Comparison Diagram (graph TB with parallel paths)

Best for: Before/after comparisons, A vs B analysis, traditional vs modern systems

Read the full file on GitHub · 277 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. 10d ago First seen · 277 lines · 57 tokens per session scan A 131decc93edb

Subscribe to this mod's changes

mermaid-visualizer is a skill published in the GitHub repository breferrari/obsidian-mind (4,620 stars, last pushed 7d ago), licensed MIT. It adds 57 tokens to every session and 2,126 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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