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 agentmods add skills/comisai/comis/chart-visualizationnpx skills add comisai/comis --skill chart-visualizationgit clone --depth 1 https://github.com/comisai/comisWhat 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 | $0.00098 | $0.00912 |
| Opus 5 | $0.00049 | $0.00456 |
| Sonnet 5 | $0.00020 | $0.00182 |
| Haiku 4.5 | $0.00010 | $0.00091 |
Grade A, and why
chart-visualization 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 yesterday.
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.
How it starts
The opening of the file, as written. The whole thing — 71 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Chart Visualization
Generate charts and data visualizations from user data. Selects the best chart type from 26 options, extracts parameters from detailed specs, and generates a chart image via a bundled Node.js script.
All script paths below are relative to this skill's directory. Resolve them against the directory containing the manifest file shown in <location> (e.g., if <location> is ~/.comis/skills/chart-visualization/SKILL.md, then scripts/generate.js means ~/.comis/skills/chart-visualization/scripts/generate.js).
Invoke the resolved script by its absolute path while keeping the tool working directory inside the execution workspace. Never set cwd to the skill directory; it is outside workspace bounds. In command examples below, replace each relative scripts/... path with its resolved absolute path.
Workflow
1. Select chart type
Analyze the user's data to determine the best chart type:
- Time series:
generate_line_chart(trends),generate_area_chart(accumulated),generate_dual_axes_chart(two scales) - Comparisons:
generate_bar_chart(categorical),generate_column_chart,generate_histogram_chart(frequency) - Part-to-whole:
generate_pie_chart,generate_treemap_chart(hierarchical) - Relationships & flow:
generate_scatter_chart(correlation),generate_sankey_chart(flow),generate_venn_chart(overlap) - Maps:
generate_district_map(regions),generate_pin_map(points),generate_path_map(routes) - Hierarchies:
generate_organization_chart,generate_mind_map - Specialized:
generate_radar_chart(multi-dimensional),generate_funnel_chart(stages),generate_liquid_chart(percentage),generate_word_cloud_chart(text frequency),generate_boxplot_chart/generate_violin_chart(distribution),generate_network_graph(node-edge),generate_fishbone_diagram(cause-effect),generate_flow_diagram(process),generate_spreadsheet(tabular/pivot)
2. Extract parameters
What ships with it
27 files 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.
- references/generate_area_chart.md 1.6 KB
- references/generate_bar_chart.md 1.6 KB
- references/generate_boxplot_chart.md 1.1 KB
- references/generate_column_chart.md 1.5 KB
- references/generate_district_map.md 1.9 KB
- references/generate_dual_axes_chart.md 1.4 KB
- references/generate_fishbone_diagram.md 1.1 KB
- references/generate_flow_diagram.md 1.1 KB
- references/generate_funnel_chart.md 1.1 KB
- references/generate_histogram_chart.md 1.1 KB
- references/generate_line_chart.md 1.2 KB
- references/generate_liquid_chart.md 1.1 KB
- references/generate_mind_map.md 990 B
- references/generate_network_graph.md 1.0 KB
- references/generate_organization_chart.md 1.0 KB
- references/generate_path_map.md 952 B
- references/generate_pie_chart.md 1.1 KB
- references/generate_pin_map.md 1.1 KB
- references/generate_radar_chart.md 1.1 KB
- references/generate_sankey_chart.md 1.1 KB
- references/generate_scatter_chart.md 1.1 KB
- references/generate_spreadsheet.md 1.7 KB
- references/generate_treemap_chart.md 1.0 KB
- references/generate_venn_chart.md 987 B
- references/generate_violin_chart.md 1.1 KB
- references/generate_word_cloud_chart.md 985 B
- scripts/generate.cjs 7.2 KB runs code
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.
- yesterday First seen · 71 lines · 98 tokens per session scan A 876a2b5976b3
chart-visualization is a skill published in the GitHub repository comisai/comis (5 stars, last pushed 2d ago), licensed Apache-2.0. It adds 98 tokens to every session and 912 once invoked, about $0.0005 per session on Opus 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 2026-08-31.
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