Getting it into your agent
It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.
git clone --depth 1 https://github.com/on-deck-society/love-stacknpx agentmods add skills/on-deck-society/love-stack/excalidraw-diagram-generatorWrote 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/on-deck-society/love-stack/excalidraw-diagram-generator)<a href="https://agentmods.dev/skills/on-deck-society/love-stack/excalidraw-diagram-generator"><img src="https://agentmods.dev/badge/skills/on-deck-society/love-stack/excalidraw-diagram-generator/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/on-deck-society/love-stack/excalidraw-diagram-generator"><img src="https://agentmods.dev/badge/skills/on-deck-society/love-stack/excalidraw-diagram-generator.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 | $0.00096 | $0.05878 |
| Opus 5 | $0.00048 | $0.02939 |
| Sonnet 5 | $0.00019 | $0.01176 |
| Haiku 4.5 | $0.00010 | $0.00588 |
Grade A, and why
excalidraw-diagram-generator 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 12d 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 excalidraw-diagram-generator — 0 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 — 614 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Excalidraw Diagram Generator
A skill for generating Excalidraw-format diagrams from natural language descriptions. This skill helps create visual representations of processes, systems, relationships, and ideas without manual drawing.
When to Use This Skill
Use this skill when users request:
- "Create a diagram showing..."
- "Make a flowchart for..."
- "Visualize the process of..."
- "Draw the system architecture of..."
- "Generate a mind map about..."
- "Create an Excalidraw file for..."
- "Show the relationship between..."
- "Diagram the workflow of..."
Supported diagram types:
- 📊 Flowcharts: Sequential processes, workflows, decision trees
- 🔗 Relationship Diagrams: Entity relationships, system components, dependencies
- 🧠 Mind Maps: Concept hierarchies, brainstorming results, topic organization
- 🏗️ Architecture Diagrams: System design, module interactions, data flow
- 📈 Data Flow Diagrams (DFD): Data flow visualization, data transformation processes
- 🏊 Business Flow (Swimlane): Cross-functional workflows, actor-based process flows
- 📦 Class Diagrams: Object-oriented design, class structures and relationships
- 🔄 Sequence Diagrams: Object interactions over time, message flows
- 🗃️ ER Diagrams: Database entity relationships, data models
Prerequisites
- Clear description of what should be visualized
- Identification of key entities, steps, or concepts
- Understanding of relationships or flow between elements
Step-by-Step Workflow
Step 1: Understand the Request
Analyze the user's description to determine:
- Diagram type (flowchart, relationship, mind map, architecture)
- Key elements (entities, steps, concepts)
- Relationships (flow, connections, hierarchy)
- Complexity (number of elements)
Step 2: Choose the Appropriate Diagram Type
| User Intent | Diagram Type | Example Keywords |
|---|---|---|
| Process flow, steps, procedures | Flowchart | "workflow", "process", "steps", "procedure" |
| Connections, dependencies, associations | Relationship Diagram | "relationship", "connections", "dependencies", "structure" |
| Concept hierarchy, brainstorming | Mind Map | "mind map", "concepts", "ideas", "breakdown" |
| System design, components | Architecture Diagram | "architecture", "system", "components", "modules" |
| Data flow, transformation processes | Data Flow Diagram (DFD) | "data flow", "data processing", "data transformation" |
| Cross-functional processes, actor responsibilities | Business Flow (Swimlane) | "business process", "swimlane", "actors", "responsibilities" |
| Object-oriented design, class structures | Class Diagram | "class", "inheritance", "OOP", "object model" |
| Interaction sequences, message flows | Sequence Diagram | "sequence", "interaction", "messages", "timeline" |
| Database design, entity relationships | ER Diagram | "database", "entity", "relationship", "data model" |
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.
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.
- 12d ago First seen · 614 lines · 96 tokens per session scan A 60df556e63d8
excalidraw-diagram-generator is a skill published in the GitHub repository on-deck-society/love-stack (5 stars, last pushed 4mo ago), licensed MIT. It adds 96 tokens to every session and 5,878 once invoked, about $0.0005 per session on Opus 5. A static security scan graded it A with 0 findings. It is 100% identical to excalidraw-diagram-generator, differing in 0 lines, and is treated as a copy.
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