hive.chart-creation-foundations

hive.chart-creation-foundations is a skill for Claude Code, Codex from aden-hive/hive. It costs 133 tokens per session (2,498 once invoked), scanned A, original, Apache-2.0.

A guide for creating charts and diagrams from data. It explains when to use a data chart versus a structural diagram and how to display the result in chat and as a PNG image.

In plain words
What is it for?
Use it when chart tools are available and you need to show trends, distributions, category comparisons, hierarchies, flows, or geographic data.
Why use it?
It helps agents choose an appropriate visual and follow the required process for making it appear in chat and saving a downloadable image.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: positional $N argument.

Good fit Use it when chart tools are available and you need to show trends, distributions, category comparisons, hierarchies, flows, or geographic data.

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Install with agentmods
npx agentmods add skills/aden-hive/hive/chart-creation-foundations
About the project

OpenHive is a runtime for groups of specialized AI agents that collaborate on long-running business processes. A persistent lead agent, called the Queen, creates and coordinates worker agents while the system manages state, recovery, observability, costs, and human oversight. The catalogue entries provide agent skills, instructions, and integrations for working with this harness.

aden-hive/hive · 11,021 stars · on GitHub

Install

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.

Any agent
npx skills add aden-hive/hive --skill chart-creation-foundations
Clone the repo
git clone --depth 1 https://github.com/aden-hive/hive

Made for: Claude Code, Codex.

Wrote 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.

agentmods badge for hive.chart-creation-foundations

README.md
[![agentmods](https://agentmods.dev/badge/skills/aden-hive/hive/chart-creation-foundations.svg)](https://agentmods.dev/skills/aden-hive/hive/chart-creation-foundations)
Your own site
<a href="https://agentmods.dev/skills/aden-hive/hive/chart-creation-foundations"><img src="https://agentmods.dev/badge/skills/aden-hive/hive/chart-creation-foundations.svg" alt="Measured on agentmods" height="20"></a>
Per session 133 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,498 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00133 $0.02498
Opus 5 $0.00067 $0.01249
Sonnet 5 $0.00027 $0.00500
Haiku 4.5 $0.00013 $0.00250

Measured 8d ago against content hash 337f626a579a, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, from the pricing page.

Security

Grade A, and why

hive.chart-creation-foundations 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 8d 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.

core/framework/skills/_preset_skills/chart-creation-foundations/SKILL.md · 161 lines

How it starts

The opening of the file, as written. The whole thing — 161 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Chart creation foundations

These tools render BI/financial-analyst-grade charts and diagrams that show up live in the chat AND save as high-DPI PNGs in the user's queen session dir.

The embedding contract — one rule

To put a chart in chat, call chart_render. The chat reads result.spec and renders the chart live in the message bubble. The download link is result.file_url. Do not write ![chart](...) image markdown by hand — the tool's result drives the UI.

That's it. One tool call, one chart in chat, one file on disk. No two-step "remember to also save it" pattern. The chat's chart-rendering UI is fed by the tool result envelope automatically.

When to chart at all

Chart when the data is visual at heart: trends over time, distributions, comparisons across categories, hierarchies, flows, geo. Skip the chart when:

  • The point is one number → just say it. ("Revenue was $4.2M, up 12% YoY.")
  • The point is a ranking of 5 things → use a markdown table with bold and emoji indicators.
  • The data is so noisy a chart would mislead → describe the takeaway in prose.

A chart costs the user attention. It must repay that cost with a takeaway they couldn't get from prose.

ECharts vs Mermaid — the picking rule

Use ECharts (kind: "echarts") when... Use Mermaid (kind: "mermaid") when...
You're plotting numbers over categories or time You're showing structure, not data
Bar / line / area / scatter / candlestick / heatmap / treemap / sankey / parallel coordinates / calendar / gauge / pie / sunburst / geo map Flowchart / sequence / gantt / ERD / state diagram / mindmap / class diagram / C4 architecture
The viewer's question is "how much / how many / what's the trend" The viewer's question is "what calls what / what depends on what / what happens after what"

If both fit (rare), prefer ECharts — its rasterized output is a proper data chart for slides; Mermaid's diagrams are for technical docs.

The aesthetic baseline (non-negotiable)

Read the full file on GitHub · 161 lines

Changes

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.

  1. 8d ago First seen · 161 lines · 133 tokens per session scan A 337f626a579a

Subscribe to this mod's changes

hive.chart-creation-foundations is a skill published in the GitHub repository aden-hive/hive (11,021 stars, last pushed yesterday), licensed Apache-2.0. It adds 133 tokens to every session and 2,498 once invoked, about $0.0007 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 2026-08-30.

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