Agent skill
ascii-diagram-boxflow
Generate plain ASCII box-flow diagrams (boxes + arrows) for environments without renderers, with alignment rules and split strategies for complex graphs.
Install this agent skill to your Project
npx add-skill https://github.com/partme-ai/full-stack-skills/tree/main/skills/ascii-skills/ascii-diagram-boxflow
SKILL.md
When to use this skill
CRITICAL TRIGGER RULE
- Use this skill ONLY when the user explicitly mentions the exact skill name:
ascii-diagram-boxflow.
Trigger phrases include:
- "ascii-diagram-boxflow"
- "use ascii-diagram-boxflow"
- "用 ascii-diagram-boxflow 画 ASCII 流程图/框图"
- "使用 ascii-diagram-boxflow 生成 box + 箭头连接图"
Boundary
- ASCII output only. Do not output Mermaid/PlantUML.
- Recommended nodes <= 12; if larger, split into sub-diagrams.
- Auto-layout is best-effort for linear and simple branching. Complex layouts require manual ordering or splitting.
How to use this skill
Inputs
- nodes (node list; names required)
- edges (connections: from/to)
- direction (TB | LR, default TB)
- width (default 80)
- boxWidth (default 16)
- numbering (default false)
Outputs (required)
- diagram (ASCII-only)
- layoutRules (box width + arrow/line rules)
- splitAdvice (how to split complex diagrams)
Script
scripts/boxflow.py: best-effort for linear flows and single 2-way branching
Examples
examples/login-flow.md
Inline Example
Input: nodes=[Login, Validate, Dashboard], edges=[Login->Validate, Validate->Dashboard], direction=TB:
+----------------+
| Login |
+----------------+
|
v
+----------------+
| Validate |
+----------------+
|
v
+----------------+
| Dashboard |
+----------------+
Long name truncation (boxWidth=16): "Authentication Service" becomes "Authenticati...".
Quality checklist
- Arrow direction is unambiguous; avoid crossings
- Line width
<= width; no trailing spaces - Long node names must be truncated or wrapped consistently
Keywords
English: ascii-diagram-boxflow, ascii diagram, flowchart, box, arrow, plain text, terminal 中文: ascii-diagram-boxflow, ASCII 框图, 流程图, 纯文本, 盒子, 箭头, 终端
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