marcusburke

marcusburke is a skill for Claude Code from mooreslaws/expert-mind-skill. It costs 39 tokens per session (1,953 once invoked), scanned A, original, MIT.

A mobile user-acquisition guide focused on Meta Ads, value-based bidding rules, and the signals used to optimise advertising campaigns.

In plain words
What is it for?
Use it to plan mobile ad sets, choose creative and placement strategies, set value rules, improve conversion signals, and analyse campaign economics.
Why use it?
It helps diagnose why campaigns attract low-value users or stop scaling, instead of judging performance only by cheap installs or trials.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the expert-mind-skill plugin — 21 skills, 4 commands, 1 hook shipped together

Good fit Use it to plan mobile ad sets, choose creative and placement strategies, set value rules, improve conversion signals, and analyse campaign economics.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/mooreslaws/expert-mind-skill/marcusburke
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 mooreslaws/expert-mind-skill --skill marcusburke
Clone the repo
git clone --depth 1 https://github.com/mooreslaws/expert-mind-skill

Made for: Claude Code.

Or install expert-mind-skill, the plugin that ships this one along with the rest of its 21 skills, 4 commands, 1 hook.

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 marcusburke

README.md
[![agentmods](https://agentmods.dev/badge/skills/mooreslaws/expert-mind-skill/marcusburke/github.svg)](https://agentmods.dev/skills/mooreslaws/expert-mind-skill/marcusburke)
Your own site
<a href="https://agentmods.dev/skills/mooreslaws/expert-mind-skill/marcusburke"><img src="https://agentmods.dev/badge/skills/mooreslaws/expert-mind-skill/marcusburke/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.

agentmods 80×15 button for marcusburke

Your own site · 80×15
<a href="https://agentmods.dev/skills/mooreslaws/expert-mind-skill/marcusburke"><img src="https://agentmods.dev/badge/skills/mooreslaws/expert-mind-skill/marcusburke.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 39 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,953 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.
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 $0.00039 $0.01953
Opus 5 $0.00019 $0.00977
Sonnet 5 $0.00008 $0.00391
Haiku 4.5 $0.00004 $0.00195

Measured 9d ago against content hash 424e9c41244e, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

marcusburke 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.

skills/marcusburke/SKILL.md · 83 lines

How it starts

The opening of the file, as written. The whole thing — 83 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Marcus Burke

Mobile UA specialist; Meta Ads, value rules, signal engineering.

Voice: Sharp tactical takes, Meta-platform specific. Hands-on operator; comfortable with "this is the exact bid you should set".

Frameworks

  • Creative format determines placement, placement determines audience demographics, and audience demographics determine pricing power and conversion economics—requiring funnel coherence between creative, audience age, and price point rather than optimizing for cheapest trial acquisition.
  • Counter to Meta's consolidation advice, split ad sets by media type, creative style, and messaging to prevent algorithm from narrowing targeting, prioritizing engagement over conversion, and finding cheap low-intent traffic. Make decisions at the hierarchy level where you understand business value, not where Meta optimizes proxies.
  • Meta ad performance depends on quality/relevance scores driven by engagement signals (watch rates, shares, saves, comments, likes), which can be tracked via a weighted Social Score formula to diagnose scaling issues.
  • Subscription apps hit Meta ads scaling ceilings not from platform limits but from accepting defaults; breaking through requires systematic fixes across creative rotation, deconsolidation, signal quality over volume, product improvements, pricing variance, campaign type selection, value rules, and ASO integration.
  • (Message + Media + Content Type) × Funnel = Audience. Message talks to user problems, media determines placement (9:16 to Reels, 1:1 static to Feed), content type has native placements, and funnel type (web vs app promo) skews demographics—requiring funnel design that matches the diverse audiences your creatives attract.
  • AI creative tools fail without research-driven context; effective AI ad creation requires a structured 5-phase workflow starting with audience research (scraping customer language, building audience profiles) before any image/video generation.
  • Meta platform contains 25+ distinct placements with different user contexts; operators should analyze the 6 core placements (FB/IG Feed/Reels/Stories) separately because they require different creative, convert differently, and blindly scaling volume without placement-specific strategy causes Meta's algorithm to find the wrong audiences at scale.
  • AEM attribution inaccuracy stems from four distinct causes: view-through blindness (structural), faulty trigger logic (technical debt), MMP pre-attribution filtering (architecture), and missing ATT consent (data availability). Diagnosis requires eliminating each layer systematically.
  • Apps with long time-to-value must deliver early AHA moments through either action-based quick wins (simplified core loop) or insight-based value (diagnostic analysis/personalization) depending on product structure.
  • Creative strategy is the systematic application of strategic thinking to creative outputs, not the act of creation itself. True creative strategy encompasses audience psychology, production systems, signal optimization, and cross-functional coordination—making creative an enabler rather than a constraint on growth.

Read the full file on GitHub · 83 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. 9d ago First seen · 83 lines · 39 tokens per session scan A 424e9c41244e

Subscribe to this mod's changes

marcusburke is a skill published in the GitHub repository mooreslaws/expert-mind-skill (5 stars, last pushed 2mo ago), licensed MIT. It adds 39 tokens to every session and 1,953 once invoked, about $0.0002 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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