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Use this skill for generating data-driven charts and visualizations using Python. Triggers: "create chart", "generate graph", "plot data", "visualize data", "bar chart", "line chart", "pie chart", "comparison chart", "positioning matrix", "trend chart", "market size chart", "TAM SAM SOM", "growth chart", "data visualization" Outputs: PNG/SVG chart images with accurate data representation. Used by: competitive-intel-agent, market-researcher-agent, pitch-deck-agent, review-analyst-agent
Passed 9 of 16 test cases with the skill, and 2 of 16 without it.
and 14 more in the full report
10 fixed3 passed either way9 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 10 test cases the skill fixed. Same model, same prompt, with and without the skill.
We need a pie chart displaying revenue by region: North America 45%, Europe 30%, Asia 25%. The output must be saved directly as a vector PDF document named regional_revenue.pdf.
| Checked | Without skill | With skill |
|---|---|---|
| Invokes pie_chart.py for rendering. | Missed | Passed |
| Sets the --output target to regional_revenue.pdf. | Missed | Passed |
The instructions your model reads when the skill loads.
Generate accurate, data-driven charts and visualizations using Python (matplotlib/plotly).
Use this for real data. For concept art and illustrations, use image-generation instead.
| Chart Type | Use Case | Script |
|---|---|---|
| Bar Chart | Compare values across categories | bar_chart.py |
| Line Chart | Show trends over time | line_chart.py |
| Pie Chart | Show proportions/percentages | pie_chart.py |
| Positioning Matrix | 2x2 competitive positioning | positioning_matrix.py |
| Comparison Table | Feature comparison grid | comparison_table.py |
| TAM/SAM/SOM | Market size visualization | tam_sam_som.py |
pip install matplotlib numpy pillow
No API keys required - runs locally.
| Scenario | Use This | Use image-generation |
|---|---|---|
| Real data from analysis | ✅ | ❌ |
| Accurate numbers/labels | ✅ | ❌ |
| Reproducible charts | ✅ | ❌ |
| Concept/mockup visuals | ❌ | ✅ |
| Artistic illustrations | ❌ | ✅ |
| Icons and graphics | ❌ | ✅ |
test cases passed, vs 2 / 16 without
More skills from the same source and nearby in the registry, with their headline benchmark lift.