SkillHub is a self-hosted registry where organizations publish, discover, version, and manage reusable skills for AI agents. Teams use it to share governed skill packages privately, with namespaces, role-based access control, audit logs, and CLI installation; the catalogue entries are skills and related agent integrations that can be managed through it.
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 agentmods add skills/iflytek/skillhub/diagram-makernpx skills add iflytek/skillhub --skill diagram-makergit clone --depth 1 https://github.com/iflytek/skillhubWrote 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/iflytek/skillhub/diagram-maker)<a href="https://agentmods.dev/skills/iflytek/skillhub/diagram-maker"><img src="https://agentmods.dev/badge/skills/iflytek/skillhub/diagram-maker.svg" alt="Measured on agentmods" 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 | $0.00028 | $0.00601 |
| Opus 5 | $0.00014 | $0.00300 |
| Sonnet 5 | $0.00006 | $0.00120 |
| Haiku 4.5 | $0.00003 | $0.00060 |
Grade A, and why
diagram-maker 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 5d 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.
Copies of this mod
2 near-identical copies found in the catalogue:
- diagram-maker — 88% identical, 13 lines differ
- diagram-maker — 84% identical, 12 lines differ
What it actually says
Diagram Maker
Create diagrams as artifacts, not prose. Choose one output mode:
clean-svg: educational concepts, physical systems, processes, lifecycle, simple data flow.architecture-svg: software/cloud/infra topology, services, databases, queues, trust zones.excalidraw: editable hand-drawn whiteboard, flowchart, sequence, architecture sketch.
Routing
- User wants editable/collaborative: choose Excalidraw.
- User wants polished standalone browser output: choose SVG/HTML.
- Software architecture with infra components: choose architecture SVG.
- Science, product, process, concept map, physical object: choose clean SVG.
- Unsure: ask one short question only if output format matters; otherwise choose clean SVG.
Workflow
- Extract nodes, groups, labels, and directed relationships.
- Pick layout first: left-to-right, top-down, hub-spoke, swimlanes, layered stack, sequence.
- Keep labels short. Prefer 5-9 main elements over dense diagrams.
- Generate the file at the requested path. If none is provided, use
diagram.htmlordiagram.excalidrawin the current working directory. - Do not overwrite an existing file by default. Choose an unused suffixed name such as
diagram-2.html, or ask before replacing the existing file. - Verify syntax by opening or parsing the output when feasible.
SVG/HTML rules
- Single standalone
.htmlfile with inline CSS and inline SVG. - No external fonts, JS, images, gradients, glows, decorative blobs, or remote assets.
- Use semantic colors, not rainbow sequences: neutral, input, process, storage, external, risk.
- Draw connectors before nodes so arrows sit behind boxes.
- Every connector path has
fill="none"and a marker arrow when directed. - Leave 24px text padding inside boxes; do not let text touch borders.
- Legend only when symbols/colors are not obvious.
SVG template
Use references/svg-template.md as the wrapper and replace <!-- SVG -->.
Excalidraw rules
- Save
.excalidrawJSON withtype,version,source,elements, andappState. - Use bound text for shape labels. Do not use a nonstandard
labelproperty. - Keep bound text immediately after its container in the elements array.
- Minimum labeled shape: 120x60. Minimum body text: 16px.
- Use roughness
1,fontFamily: 1, and simple fills.
For exact Excalidraw element snippets, read references/excalidraw-patterns.md.
What ships with it
4 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.
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.
- 5d ago First seen · 58 lines · 28 tokens per session scan A 74d9e8bc708a
diagram-maker is a skill published in the GitHub repository iflytek/skillhub (5,003 stars, last pushed today), licensed Apache-2.0. It adds 28 tokens to every session and 601 once invoked, about $0.0001 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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