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 mphinance/alpha-skills --skill mph-figuregit clone --depth 1 https://github.com/mphinance/alpha-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/mphinance/alpha-skills/mph-figure)<a href="https://agentmods.dev/skills/mphinance/alpha-skills/mph-figure"><img src="https://agentmods.dev/badge/skills/mphinance/alpha-skills/mph-figure/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/mphinance/alpha-skills/mph-figure"><img src="https://agentmods.dev/badge/skills/mphinance/alpha-skills/mph-figure.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector warn
SkillSpector: 2 findings, up to medium
These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →
- medium MCP Rug Pull · line 31 npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.Fix: Pin the version: npx @scope/[email protected]
- medium Rogue Agent · line 36 Skill establishes unauthorized persistence across sessions via cron jobs, startup scripts, or state files. Session persistence allows an attacker to maintain access beyond the current interaction.Fix: Remove any persistence mechanisms (cron jobs, startup scripts, state files). Skills should not maintain state across sessions without explicit user consent.
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 | $0.00077 | $0.00628 |
| Opus 5 | $0.00039 | $0.00314 |
| Sonnet 5 | $0.00015 | $0.00126 |
| Haiku 4.5 | $0.00008 | $0.00063 |
Grade A, and why
mph-figure 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 9d 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 — 63 lines — stays where its author put it; the contents beside it link to each section on GitHub.
MPH Figure
Turns markdown (or raw HTML) into a pixel-accurate image: it renders the content in a real browser via Playwright and screenshots it. Because a browser does the layout, the output has full CSS fidelity — real fonts, text wrapping, column alignment, the lot. More accurate than SVG-shortcut generators, which only support a subset of CSS.
Built mainly for one job: Substack cannot render markdown tables. The
mph-substack-writer skill mandates "generate an image instead." This skill is how you
generate it.
When to use it
- A Substack post (or any doc) needs a table — render it as an image instead of writing a raw markdown table.
- Any time structured content (a comparison, a stat block, a small data card) reads better as a clean image than as plain markdown.
One-time setup
This skill bundles a script with dependencies. Run once:
cd ~/.claude/skills/mph-figure
npm install
npx playwright install chromium # skip if Playwright's browser is already installed
How to use it
-
Write the figure as markdown (a normal markdown table works; column alignment with
:---:is respected) and save it to a file, e.g.figure.md. -
Render it:
node ~/.claude/skills/mph-figure/scripts/render.mjs --in figure.md --out figure.png -
Inline the result in the post:
.
Need full control of the markup? Pass a .html file (or add --html) instead.
Options
--in <file>markdown or HTML input (required)--out <file>output PNG (required)--width <px>figure width, default 720 (a good Substack inline width)--scale <n>sharpness / device scale, default 2 (retina-crisp)--theme <name>visual theme, defaultbloomberg--htmltreat the input as raw HTML regardless of extension
Theme
bloomberg — a dark, sharp, data-first look: near-black card, amber accents, clean
tables with uppercase headers and tabular numerals. This is the "dark theme, Bloomberg
aesthetic" mph-substack-writer asks for. Add more themes to the THEMES map in
scripts/render.mjs.
What ships with it
5 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.
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.
- 9d ago First seen · 63 lines · 77 tokens per session scan A 4a1d31920e69
mph-figure is a skill published in the GitHub repository mphinance/alpha-skills (21 stars, last pushed 11d ago), licensed MIT. It adds 77 tokens to every session and 628 once invoked, about $0.0004 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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