figure-generation

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Generate publication-quality scientific figures using matplotlib/seaborn with a three-phase pipeline (query expansion, code generation with execution, VLM visual feedback). Handles bar charts, line plots, heatmaps, training curves, ablation plots, and more. Use when the user needs figures, plots, or visualizations for a paper.

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Sourcelingzhi227/claude-skills

Added on2026-02-20

NPX Install

npx skill4agent add lingzhi227/claude-skills figure-generation

SKILL.md Content

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Scientific Figure Generation

Generate publication-quality figures for research papers.

Input

```
$0
```
— Description of the desired figure
```
$1
```
— (Optional) Path to data file (CSV, JSON, NPY, PKL) or results directory

Scripts

Generate figure template

bash

python ~/.claude/skills/figure-generation/scripts/figure_template.py --type bar --output figure_script.py --name comparison
python ~/.claude/skills/figure-generation/scripts/figure_template.py --list-types

Available types:

bar

,

training-curve

,

heatmap

,

ablation

,

line

,

scatter

,

radar

,

violin

,

tsne

,

attention

Three-Phase Pipeline (from MatPlotAgent)

Phase 1: Query Expansion

Expand the user's figure description into step-by-step coding specifications using the prompts in

references/figure-prompts.md

. Determine: figure type, data mapping (x/y/color/hue), style requirements, paper conventions.

Phase 2: Code Generation with Execution Loop (up to 4 retries)

Generate a self-contained Python script using the template from
```
scripts/figure_template.py
```
as a starting point
Write script to a temp file and execute:
```
python figure_script.py
```
If error: capture traceback, feed back, regenerate (see ERROR_PROMPT in references)
If no
```
.png
```
produced: add explicit save instruction, retry
On success: report the generated figure path

Phase 3: Visual Refinement

Read the generated PNG file and visually inspect using the VLM feedback prompts from

references/figure-prompts.md

:

Does the figure type match the request?
Are labels, titles, and legends correct?
Is the color scheme appropriate and consistent?
Are axis scales sensible? Is text readable at publication size?

If improvements needed: generate corrective instructions and re-execute.

References

All MatPlotAgent prompts:

~/.claude/skills/figure-generation/references/figure-prompts.md

Figure templates:

~/.claude/skills/figure-generation/scripts/figure_template.py

Output

Both PNG (preview, 300 DPI) and PDF (vector, for paper) formats. Plus the LaTeX include code:

latex

\begin{figure}[t]
    \centering
    \includegraphics[width=\linewidth]{figures/figure_name.pdf}
    \caption{Description. Best viewed in color.}
    \label{fig:figure_name}
\end{figure}

Quality Requirements

DPI ≥ 300, or vector PDF
Colorblind-friendly palette (no red-green only)
All text ≥ 8pt at print size
Consistent styling across all paper figures
No matplotlib default title — use LaTeX caption

Related Skills

Upstream: data-analysis, experiment-code
Downstream: paper-writing-section, paper-compilation, slide-generation
See also: table-generation