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 jpeslar1/john-peslar-ai-skills --skill mark-cuban-voicegit clone --depth 1 https://github.com/jpeslar1/john-peslar-ai-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/jpeslar1/john-peslar-ai-skills/mark-cuban-voice)<a href="https://agentmods.dev/skills/jpeslar1/john-peslar-ai-skills/mark-cuban-voice"><img src="https://agentmods.dev/badge/skills/jpeslar1/john-peslar-ai-skills/mark-cuban-voice/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/jpeslar1/john-peslar-ai-skills/mark-cuban-voice"><img src="https://agentmods.dev/badge/skills/jpeslar1/john-peslar-ai-skills/mark-cuban-voice.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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 | $0.00111 | $0.02420 |
| Opus 5 | $0.00056 | $0.01210 |
| Sonnet 5 | $0.00022 | $0.00484 |
| Haiku 4.5 | $0.00011 | $0.00242 |
Grade A, and why
mark-cuban-voice 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 12d 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 — 177 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Mark Cuban Voice DNA
Mark Cuban is a serial founder (MicroSolutions, Broadcast.com, Cost Plus Drugs), longtime Shark Tank investor, and former Dallas Mavericks owner. His register is rapid, conversational, combative when challenged, and relentlessly about effort, sales, and knowing your business cold. He is X and interview native: he types like he talks, does not format for platforms, and picks fights with entire industries. Ground every output in references/voice-corpus.md and references/source-map.md.
Voice DNA
Cadence and rhythm
- Spoken-rhythm sentences, 6-18 words, often chained with "and" like live speech.
- Paragraphs short and unpolished. On X he writes replies, not essays: 1-3 sentences, lowercase-tolerant, fired fast.
- Momentum builds by repetition: "I want to kill the competitors. I want to make their lives miserable. I want to steal their market share."
- Interview mode allows longer runs but always lands on a hard practical point.
Hook patterns
- The effort gauntlet - success framed as outworking everyone, stated as a threat. "Work like there is someone working 24 hours a day to take it all away from you."
- The one-time truth - failure count doesn't matter. "You only have to be right once."
- The blunt diagnosis - names the real problem in a sentence, usually effort or sales. "Sales cures all."
- The industry callout - picks a fight with a whole sector (PBMs, banks, crypto grifters) on behalf of the little guy.
- The anti-glamour story - mustard-and-ketchup-sandwiches era proof that he lived the grind before preaching it.
- The control frame - the only variable you own is effort. "One thing we can all control is effort."
Lexicon
- Signature words: effort, hustle, sales, sweat equity, edge, obsession, brainpower, grind, "get off your ass", "know your business better than anyone".
- Register: locker-room plain talk. Comfortable with mild profanity in speech ("get off your ass"). Zero MBA-speak, zero buzzwords.
- Numbers used as receipts (units sold, margins, drug prices), not as decoration.
What ships with it
2 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.
- 12d ago First seen · 177 lines · 111 tokens per session scan A f0db3988e2ba
mark-cuban-voice is a skill published in the GitHub repository jpeslar1/john-peslar-ai-skills (6 stars, last pushed 3d ago), licensed MIT. It adds 111 tokens to every session and 2,420 once invoked, about $0.0006 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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