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fishbone-diagram

fishbone-diagram is a plugin for Claude Code from ddunnock/claude-plugins. Its manifest loads nothing; the 1 skill it bundles cost 143 tokens per session together, scanned A, original, MIT.

A tool for creating Fishbone, also called Ishikawa or cause-and-effect, diagrams to investigate why a problem happened. It groups possible causes, explores sub-causes, helps prioritize them, and can connect with the 5 Whys method.

In plain words
What is it for?
Use it for root-cause analysis, defect or failure investigations, quality improvement, and team problem-solving. It can generate visual SVG diagrams and HTML reports.
Why use it?
It gives teams a repeatable way to brainstorm causes without overlooking major categories. The resulting diagram and report make the investigation easier to review.

Plugin for Claude Code

Written for Claude Code: a Claude Code plugin manifest.

not rated 14repo +1 7mo ago A scan tokens not measured original MIT

Good fit Use it for root-cause analysis, defect or failure investigations, quality improvement, and team problem-solving. It can generate visual SVG diagrams and HTML reports.

Compare 6 plugins from other repositories ↓
Install in Claude Code
/plugin marketplace add ddunnock/claude-plugins
/plugin install fishbone-diagram
View source ↗ ddunnock/claude-plugins
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.

Clone the repo
git clone --depth 1 https://github.com/ddunnock/claude-plugins

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 fishbone-diagram

README.md
[![agentmods](https://agentmods.dev/badge/plugins/ddunnock/claude-plugins/fishbone-diagram/github.svg)](https://agentmods.dev/plugins/ddunnock/claude-plugins/fishbone-diagram)
Your own site
<a href="https://agentmods.dev/plugins/ddunnock/claude-plugins/fishbone-diagram"><img src="https://agentmods.dev/badge/plugins/ddunnock/claude-plugins/fishbone-diagram/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 fishbone-diagram

Your own site · 80×15
<a href="https://agentmods.dev/plugins/ddunnock/claude-plugins/fishbone-diagram"><img src="https://agentmods.dev/badge/plugins/ddunnock/claude-plugins/fishbone-diagram.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session not measured What this adds to a session before it is invoked.
When invoked not measured The manifest loads nothing itself; its 1 skill cost 143 tokens a session between them.
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.
Security

Grade A, and why

fishbone-diagram 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 1mo 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/fishbone-diagram/.claude-plugin/plugin.json · 18 lines

What it actually says

{
  "name": "fishbone-diagram",
  "description": "Create comprehensive Fishbone (Ishikawa/Cause-and-Effect) diagrams for structured root cause brainstorming. Guides teams through problem definition, category selection (6Ms, 8Ps, 4Ss, or custom), cause identification, sub-cause drilling, prioritization via multi-voting, and 5 Whys integration. Generates visual SVG diagrams and professional HTML reports. Use when brainstorming potential causes, conducting root cause analysis, facilitating quality improvement sessions, analyzing defects or failures, structuring team problem-solving, or when user mentions \"fishbone\", \"Ishikawa\", \"cause and effect diagram\", \"6Ms\", \"cause analysis\", or \"brainstorming causes\".",
  "version": "1.0.1",
  "author": {
    "name": "dunnock"
  },
  "keywords": [
    "fishbone",
    "ishikawa",
    "cause-effect",
    "6ms",
    "brainstorming",
    "root-cause",
    "quality"
  ]
}
Contents

What it installs

The manifest is a name and a version. 1 skill travel with it, and installing the plugin installs all of them — 143 tokens a session between them. Each is measured on its own page, and each can be installed alone.

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. 1mo ago First seen · 18 lines scan A 193f963ac0ae

Subscribe to this mod's changes

fishbone-diagram is a plugin published in the GitHub repository ddunnock/claude-plugins (14 stars, last pushed 7mo ago), licensed MIT. Its token cost is not measured: this kind of file is read by the harness, not the model. 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.

Planning
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