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.
npx skills add stvlynn/dsh.fish --skill diagram-designgit clone --depth 1 https://github.com/stvlynn/dsh.fishWrote 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.
[](https://agentmods.dev/skills/stvlynn/dsh.fish/diagram-design)<a href="https://agentmods.dev/skills/stvlynn/dsh.fish/diagram-design"><img src="https://agentmods.dev/badge/skills/stvlynn/dsh.fish/diagram-design/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.
<a href="https://agentmods.dev/skills/stvlynn/dsh.fish/diagram-design"><img src="https://agentmods.dev/badge/skills/stvlynn/dsh.fish/diagram-design.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00188 | $0.10192 |
| Opus 5.5 | $0.00075 | $0.04077 |
| Sonnet 5.5 | $0.00038 | $0.02038 |
| Haiku 4.5 | $0.00019 | $0.01019 |
Grade A, and why
diagram-design 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.
This is a copy
100% identical to diagram-design — 336 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.
How it starts
The opening of the file, as written. The whole thing — 585 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Diagram Design
Create visual diagrams as self-contained HTML files with inline SVG and CSS, following an opinionated editorial design system.
Thirty-nine visual types. Semantic patterns describe behavior independently; type references describe layout. Details load from references/ only when selected.
0. First-time setup — style guide gate
Before generating your first diagram in a new project, verify the style guide has been customized.
Don't silently ship default-skinned diagrams into a branded project.
First check the project root for a .diagram-design marker and resolve it per references/profiles.md. A valid marker whose profile exists selects that file directly and skips this gate; profile: default also skips it. A malformed or missing-profile marker follows the visible failure handling in that reference. Never copy a marker-selected profile over the installed working copy.
Open references/style-guide.md and check the default tokens. If they're still the shipped defaults (paper #f5f5f5, ink #2d3142, accent #eb6c36 atomic-tangerine), pause and ask the user:
"This is your first diagram in this project. The style guide is still at the default (neutral white-smoke + atomic-tangerine). Do you want to customize it to match your brand first? Options: (a) pull from your website URL, (b) extract from an installed skill, (c) extract from a local folder / design-system directory, (d) paste tokens manually, (e) proceed with the default for now, (f) load a saved client profile."
Then branch per the matching section of references/onboarding.md; for (f) follow references/profiles.md.
Once the style guide has been customized (or the user explicitly opted for default), skip this gate on subsequent runs. A leading profile header names the copied-in active profile. Without a header, any semantic-role value or typography family differing from shipped defaults means custom-unsaved: skip the gate and offer to save it as a profile. All-default tokens with no marker/header trigger the gate. At the end of every onboarding method, offer to save the result as a named client profile per references/profiles.md.
What ships with it
60 files 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.
- assets/example-architecture-dark.html 12 KB
- assets/example-architecture-full.html 15 KB
- assets/example-architecture.html 12 KB
- assets/example-bar-dark.html 8.9 KB
- assets/example-bar-full.html 11 KB
- assets/example-bar.html 8.7 KB
- assets/example-beeswarm-dark.html 32 KB
- assets/example-beeswarm-full.html 36 KB
- assets/example-beeswarm.html 31 KB
- assets/example-bubble-dark.html 11 KB
- assets/example-bubble-full.html 15 KB
- assets/example-bubble.html 11 KB
- assets/example-bump-dark.html 13 KB
- assets/example-bump-full.html 16 KB
- assets/example-bump.html 12 KB
- assets/example-data-flow-dark.html 13 KB
- assets/example-data-flow-full.html 15 KB
- assets/example-data-flow.html 13 KB
- assets/example-datalake-dark.html 25 KB
- assets/example-datalake-full.html 28 KB
- assets/example-datalake.html 26 KB
- assets/example-db-schema-dark.html 24 KB
- assets/example-db-schema-full.html 27 KB
- assets/example-db-schema.html 24 KB
- assets/example-dependency-dark.html 17 KB
- assets/example-dependency-full.html 21 KB
- assets/example-dependency.html 17 KB
- assets/example-deployment-dark.html 13 KB
- assets/example-deployment-full.html 16 KB
- assets/example-deployment.html 13 KB
- assets/example-dp-integration-dark.html 14 KB
- assets/example-dp-integration-full.html 17 KB
- assets/example-dp-integration.html 14 KB
- assets/example-dp-security-matrix-dark.html 10 KB
- assets/example-dp-security-matrix-full.html 12 KB
- assets/example-dp-security-matrix.html 11 KB
- assets/example-er-dark.html 14 KB
- assets/example-er-full.html 17 KB
- assets/example-er.html 14 KB
- assets/example-fishbone-dark.html 8.5 KB
- assets/example-fishbone-full.html 11 KB
- assets/example-fishbone.html 8.4 KB
- assets/example-flowchart-dark.html 9.0 KB
- assets/example-flowchart-full.html 12 KB
- assets/example-flowchart.html 9.0 KB
- assets/example-gantt-dark.html 10 KB
- assets/example-gantt-full.html 12 KB
- assets/example-gantt.html 9.8 KB
- assets/example-high-level-dark.html 24 KB
- assets/example-high-level-full.html 28 KB
- assets/example-high-level-vertical-dark.html 24 KB
- assets/example-high-level-vertical-full.html 28 KB
- assets/example-high-level-vertical.html 30 KB
- assets/example-high-level.html 26 KB
- assets/example-import-drawio.html 12 KB
- assets/example-import-mermaid.html 7.9 KB
- assets/example-it-state-dark.html 12 KB
- assets/example-it-state-full.html 14 KB
- assets/example-it-state.html 12 KB
- assets/example-journey-dark.html 8.9 KB
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.
- 2mo ago First seen · 585 lines · 188 tokens per session scan A 6d6988acf779
diagram-design is a skill published in the GitHub repository stvlynn/dsh.fish (2 stars, last pushed 2d ago), licensed MIT. It adds 188 tokens to every session and 10,192 once invoked, about $0.0008 per session on Opus 5.5. A static security scan graded it A with 0 findings. It is 100% identical to diagram-design, differing in 336 lines, and is treated as a copy.
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