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 Infinite-Labs-AI/infinite-skills --skill marketing-briefgit clone --depth 1 https://github.com/Infinite-Labs-AI/infinite-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/infinite-labs-ai/infinite-skills/marketing-brief)<a href="https://agentmods.dev/skills/infinite-labs-ai/infinite-skills/marketing-brief"><img src="https://agentmods.dev/badge/skills/infinite-labs-ai/infinite-skills/marketing-brief/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/infinite-labs-ai/infinite-skills/marketing-brief"><img src="https://agentmods.dev/badge/skills/infinite-labs-ai/infinite-skills/marketing-brief.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 | $0.00039 | $0.00668 |
| Opus 5.5 | $0.00016 | $0.00267 |
| Sonnet 5.5 | $0.00008 | $0.00134 |
| Haiku 4.5 | $0.00004 | $0.00067 |
Grade A, and why
marketing-brief 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 1mo 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 — 90 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Marketing Brief
Create a short brief that helps a founder decide who to target, what to say, and what to try next.
First Pass
Look for existing context before asking questions: README files, website copy, pitch decks, product docs, analytics notes, CRM exports, customer interviews, support tickets, and prior campaign material.
If the brief lacks enough context, ask only for the missing decision-critical inputs:
- Product: what it does, who uses it, and the moment they need it.
- Customer: role, company type, pain, urgency, buying trigger.
- Market: alternatives, status quo, competitors, category language.
- Proof: customer names, usage, revenue, testimonials, screenshots, demos, case data.
- Constraint: budget, deadline, geography, compliance, founder preference, channels to avoid.
Build The Brief
Write in plain operator language. Avoid founder mythology unless it changes positioning or channel choice.
Cover these sections:
- One-line product read: what this is, for whom, and why now.
- First reachable pocket: the smallest reachable buyer or user group with a real trigger.
- Job and pain: what they are trying to get done and what currently makes it expensive, slow, risky, embarrassing, or annoying.
- Alternatives: direct competitors, workarounds, spreadsheets, agencies, internal teams, doing nothing.
- Positioning angle: the narrow angle where this product can win first.
- Promise: the believable outcome the market should remember.
- Proof inventory: facts that can be shown, quoted, measured, or demonstrated.
- Objections: reasons a serious buyer would hesitate.
- Channel evidence: where this customer already looks, complains, compares, or buys.
- Claim risk: claims that are attractive but weakly supported.
- Fastest disproof: the quickest test that could show the read is wrong.
- This-week validation: actions that can be executed without a full campaign.
Decision Rules
- Prefer one sharp segment over a broad persona map.
- Keep claims within the available proof.
- Separate facts from assumptions.
- Name the weak points instead of smoothing them over.
- Turn vague words into observable behavior: not "busy teams," but "ops leads compiling weekly reports from five tools."
What ships with it
1 file 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.
- 1mo ago First seen · 90 lines · 39 tokens per session scan A 8aba068c70b5
marketing-brief is a skill published in the GitHub repository Infinite-Labs-AI/infinite-skills (44 stars, last pushed 2mo ago), licensed MIT. It adds 39 tokens to every session and 668 once invoked, about $0.0002 per session on Opus 5.5. 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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