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 CodeInfinity1/Stram --skill excalidraw-diagramsgit clone --depth 1 https://github.com/CodeInfinity1/StramWrote 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/codeinfinity1/stram/excalidraw-diagrams)<a href="https://agentmods.dev/skills/codeinfinity1/stram/excalidraw-diagrams"><img src="https://agentmods.dev/badge/skills/codeinfinity1/stram/excalidraw-diagrams/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/codeinfinity1/stram/excalidraw-diagrams"><img src="https://agentmods.dev/badge/skills/codeinfinity1/stram/excalidraw-diagrams.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 | $0.00033 | $0.00449 |
| Opus 5.5 | $0.00013 | $0.00180 |
| Sonnet 5.5 | $0.00007 | $0.00090 |
| Haiku 4.5 | $0.00003 | $0.00045 |
Grade A, and why
excalidraw-diagrams 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.
What it actually says
Excalidraw Diagrams
Purpose
Create hand-drawn style diagrams when that format helps communicate flows or concepts. Current execution should be native artifact creation or a draft spec unless a dedicated Excalidraw tool exists.
When To Use
Use for informal system maps, whiteboard-style flows, teaching diagrams, and concept sketches.
Inputs And Evidence
- Diagram purpose, elements, labels, relationships, and target file path.
- Current system evidence if technical.
Tool Map
excalidraw_diagram_creatediagram_artifact_creatediagram_artifact_inspectcanvas_a2ui_createcanvas_a2ui_renderarchitecture-diagramswrite_notetool_search
Workflow
- Define the diagram message.
- Create a simple element/relationship list.
- Use
excalidraw_diagram_createfor Stram-owned Excalidraw-compatible JSON. - Use
diagram_artifact_createwhen a Markdown/Mermaid spec is clearer than a sketch file. - Verify generated artifacts.
- Keep labels readable and sparse.
Native Implementation Boundaries
- Do not import external reference Excalidraw scripts.
- Excalidraw JSON generation must be Stram-owned.
- Use upstream examples only as reference.
- Mark generated sketches as
draft,proposed, orcurrent.
Safety And Approval
- Avoid sensitive architecture disclosure.
- Mark sketches as draft.
- Do not overwrite existing diagrams without approval.
Verification
- Artifact path or spec note proves output.
- Excalidraw output must be valid JSON with
type: excalidrawand generated elements. - Check element labels and relationships.
- Inspect companion diagram artifacts when produced.
Failure Modes
- Overcrowded diagram.
- Invalid JSON claimed as Excalidraw-ready.
- Unverified technical flow.
References
- Shortlist item:
excalidraw-diagrams.
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.
- 1mo ago First seen · 70 lines · 33 tokens per session scan A 8fb311ec8d5d
excalidraw-diagrams is a skill published in the GitHub repository CodeInfinity1/Stram (11 stars, last pushed 2mo ago), licensed MIT. It adds 33 tokens to every session and 449 once invoked, about $0.0001 per session on Opus 5.5. 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 2026-09-03.
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