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 skills add cosmicstack-labs/mercury-agent-skills --skill data-storytellinggit clone --depth 1 https://github.com/cosmicstack-labs/mercury-agent-skillsWrote 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.
[](https://agentmods.dev/skills/cosmicstack-labs/mercury-agent-skills/data-storytelling)<a href="https://agentmods.dev/skills/cosmicstack-labs/mercury-agent-skills/data-storytelling"><img src="https://agentmods.dev/badge/skills/cosmicstack-labs/mercury-agent-skills/data-storytelling/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/cosmicstack-labs/mercury-agent-skills/data-storytelling"><img src="https://agentmods.dev/badge/skills/cosmicstack-labs/mercury-agent-skills/data-storytelling.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00025 | $0.05196 |
| Opus 5 | $0.00013 | $0.02598 |
| Sonnet 5 | $0.00005 | $0.01039 |
| Haiku 4.5 | $0.00003 | $0.00520 |
Grade A, and why
data-storytelling 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.
How it starts
The opening of the file, as written. The whole thing — 562 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Data Storytelling for Slides
Turn raw data into compelling visual narratives that audiences understand, remember, and act on.
Core Principles
1. Data Without Story Is Just Numbers
A chart without context is meaningless. Every data point should serve a narrative: "Revenue grew 40% because we launched the mobile app" is a story. "Revenue was $1.2M" is just a number.
2. Show the Relationship, Not Just the Data
The best data slides reveal relationships: cause and effect, before and after, actual vs. target, you vs. competition. Comparison is the foundation of insight.
3. Maximize the Data-Ink Ratio
Remove anything in a chart that isn't data or essential context. Gridlines, borders, 3D effects, excessive labels — eliminate noise. Every pixel should either inform or guide.
4. The Audience Should Arrive at the Insight in 5 Seconds
If a viewer can't understand the key takeaway within 5 seconds, the visualization has failed. Pre-attentive attributes (color, size, position) should make the insight immediately obvious.
Data Storytelling Maturity Model
| Level | Chart Selection | Narrative Integration | Visual Design | Audience Impact |
|---|---|---|---|---|
| 1: Raw Data | Default chart type, no thought | No story — just numbers | Default Excel/Sheets colors | Confusing, ignored |
| 2: Basic Chart | Appropriate chart type | Chart title describes takeaway | Brand colors, clean labels | Understood but forgettable |
| 3: Annotated | Right chart for the question | Key points highlighted with annotations | Custom colors, callouts, footnotes | Remembered, shareable |
| 4: Narrative | Multi-chart flow tells a story | Data + text + visuals in harmony | Purposeful design, progressive disclosure | Drives action and decisions |
| 5: Immersive | Interactive exploration | Data narrative with branching paths | Cinematic, animated, multi-perspective | Changes behavior, memorable |
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.
- 8d ago First seen · 562 lines · 25 tokens per session scan A 65307e7e7414
data-storytelling is a skill published in the GitHub repository cosmicstack-labs/mercury-agent-skills (471 stars, last pushed 17d ago), licensed MIT. It adds 25 tokens to every session and 5,196 once invoked, about $0.0001 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 2026-09-03.
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