The library

Everything we index — ranked by what works, never by stars.

works
Write SEO-optimized blog postsskillMarketingL1+23pp measured
blog-post · When you need blog content that both ranks well and actually converts readers into leads or customers.
no effect
Design statistically valid A/B testsskillProductMarketingL10pp measured
ab-testing · Validating product hypotheses where statistical rigor and p-value confidence matter more than speed.
hurts
Design and score marketing experimentsskillMarketingL1-27pp measured
growth-engine · Teams running 5+ simultaneous A/B tests across channels who need automated winner detection with statistical rigor
works
Multiply content across formats in one weekskillMarketingL1+4pp measured
content-repurpose · When you have strong foundational content and need to maximize reach by adapting to different consumption formats.
no effect
Write conversion-focused marketing copyskillMarketingSalesL10pp measured
copywriting · When you need clear, benefit-first copy that converts and uses the customer's own language.
works
Write long-form content with voiceskillMarketingL1+4pp measured
article-writing · Founders, operators, and thought leaders writing essays, launch posts, or newsletters where voice authenticity and specificity matter more than polish.
works
Support in-house legal analysisskillLegalL1+4pp measured
legal · Fast initial triage of contracts, compliance scope, and legal risk for in-house teams who then consult qualified counsel; mode detection routes to right framework without manual routing.
hurts
Plan multi-function product launchesskillMarketingL1-4pp measured
go-to-market-planner · Product manager orchestrating multi-function launch — produces single source of truth with messaging, timeline, success metrics, and rollback procedure, preventing coordination gaps across product/marketing/sales/support.
works
Review contracts and ensure legal complianceskillLegalL1+11pp measured
legal · Contract analysis and generation with parallel risk assessment and compliance checking.
works
Optimize for AI Overviews and GEO placementskillMarketingL1+12pp measured
seo-geo · Content strategy wanting 50%+ AI Overview/GEO coverage when brand presence on YouTube/Reddit/Wikipedia is high.
works
Plan content for traffic and authorityskillMarketingL1+13pp measured
content-strategy · Building searchable and shareable content for businesses where organic is a cornerstone channel.
hurts
Generate pre-call intelligence briefs automaticallyskillSalesL1-24pp measured
prospect-research · Sales reps who need to walk into calls with specific context instead of generic questions, especially for outbound first touches where showing research is the difference between credibility and cold-calling.
no effect
Generate production-ready marketing briefsskillMarketingL1-1pp measured
ink-brief · Marketing teams handing briefs to freelance or in-house writers who need the entire research and competitive analysis done upfront.
hurts
Generate platform-specific marketing copyskillMarketingL1-4pp measured
content-writer · When you need copy across multiple channels that is on-brand, audience-specific, and optimized for the format.
no effect
Review contracts and flag negotiation risksskillLegalL1+1pp measured
contract-review · When you need a sharp first read on contract risks, missing clauses, and negotiation priorities before legal review.
hurts
Design high-conversion landing pagesskillMarketingL1-8pp measured
aes-landing-page-builder · DTC brand launching paid traffic campaign to cold audience — produces purpose-built page blueprint that drives 2%+ conversion rate on ecommerce without needing a designer to interpret wireframes.
hurts
Audit Microsoft Bing Ads setupskillMarketingL1-28pp measured
ads-microsoft · Validating post-Google-import setup on Bing and unlocking Copilot chat placement (73% CTR lift observed)
works
Run financial review for founder clarityskillFinanceL1+7pp measured
financial-review · Orchestrating multi-phase autonomous workflows where fan-out and synthesis improve outcomes.
works
Generate persuasive sales proposalsskillSalesL1+8pp measured
sales-proposal · Founders and sales leaders closing mid-market deals ($10K-$100K+) who need a professional proposal that leads with client pain, not service features, and anchors price to measurable ROI.
works
Establish app marketing context for teamsskillMarketingL1+4pp measured
app-marketing-context · First step in any app marketing work; prevents all downstream ASO skills from re-asking the same context questions.
no effect
Apply proven copywriting frameworksskillMarketingL10pp measured
copywriting-frameworks · Copy teams needing structure when starting blank, or UX writers/PMs drafting CTAs and headlines.
works
Draft cold emails that get repliesskillSalesL1+17pp measured
cold-email · Cold outreach where warm intros are unavailable and conversion rate over volume matters.
hurts
Analyze Meta Ads account healthskillMarketingL1-4pp measured
ads-meta · Diagnosing performance loss on Meta after iOS targeting changes or when account structure needs consolidation
works
Review financial models for investor readinessskillFinanceL1+14pp measured
financial-model-review · Automate financial model review reviews with structured output and validation.
works
Write conversion-focused copyskillMarketingL1+4pp measured
pitch-copy · Product marketer writing copy for sales funnel — produces outcome-focused copy that avoids adjectives, uses user language, and structures sections for conversion psychology (problem → solution → proof → CTA).
works
Build cold outreach messaging strategyskillSalesL1+20pp measured
cold-email-outbound · New cold outreach programs needing messaging framework that creates perception curiosity (make prospect question status quo)
hurts
Generate design-system admin dashboardsskillOpsL1-40pp measured
dashboard · Fast, design-system-compliant admin dashboards when the design tokens and layout requirements are pre-specified in DESIGN.md.
hurts
Generate high-performing ad creativeskillMarketingL1-16pp measured
ad-creative · Performance marketer optimizing ad creative across multiple platforms — covers platform-specific specs, generates from scratch or iterates from performance data, validates copy length against platform limits.
works
Build interactive dashboards offlineskillOpsDataL1+17pp measured
build-dashboard · Creating executive dashboards that work completely offline with embedded data and no server dependencies.
works
Perform structured legal document analysisskillLegalL1+11pp measured
legal-research-analyst · Legal research brief when you need current law synthesis before engaging counsel.
no effect
Maintain consistent brand voiceskillMarketingL10pp measured
brand-voice · Specialized workflow for brand voice
no effect
Score content for AI extractabilityskillMarketingL10pp measured
geo-citability · When content exists but isn't getting cited by AI and you need to understand why and how to restructure passages for extractability.
hurts
Optimize YouTube video adsskillMarketingL1-32pp measured
ads-youtube · Optimizing YouTube Shorts ads and Demand Gen campaigns when view rate is <15% or CTR <0.5%
works
Conduct expert market researchskillProductL1+5pp measured
market-research-analysis · Complex multi-phase orchestration where deterministic ordering and structured outputs are critical.
works
Produce decision-grade market researchskillL1+5pp measured
market-research · Quick market sizing and competitive positioning without agency fees.
works
Assess contract risks clause by clauseskillLegalL1+8pp measured
legal-risks · Solopreneurs doing pre-legal-review risk triage.
works
Analyze contract terms and identify risksskillLegalL1+18pp measured
contract-analyst · First-pass contract review before lawyer eyes it.
works
Write SEO-optimized blog and landing pagesskillMarketingL1+23pp measured
seo-content-writer · When you need blog or landing page content that ranks well in Google while providing genuine value to readers.
hurts
Produce HTML email marketing templatesskillMarketingL1-17pp measured
email-marketing · High-impact, single-message email campaigns where design consistency and display-font-first headlines are critical to brand voice.
works
Scale apps virally through social mediaskillMarketingProductL1+4pp measured
social-growth-engineer · Taking a consumer app from 0 to $20K MRR in 14-60 days through coordinated multi-account volume + UGC
works
Analyze datasets for evidence-backed decisionsskillDataL1+8pp measured
data-analysis · When you have structured business data and need decision-quality analysis that separates observation from interpretation.
hurts
Generate high-performing ad copy variationsskillMarketingL1-4pp measured
ad-creative · Bulk generating ad copy to test multiple angles simultaneously when you have a tight campaign deadline
works
Build personal brand that drives pipelineskillSalesMarketingL1+4pp measured
founder-thought-leadership · Establishing founder authority when bootstrapping fundraising or recruiting without brand budget
hurts
Reverse-engineer and codify brand voiceskillMarketingL1-4pp measured
brand-voice-analyzer · When you need to codify how a company actually sounds so new writers can match the voice consistently.
works
Surface founder blindspots and worst-case plansskillOpsL1+16pp measured
slo-founder-check · YC-bound or venture-backed founders needing a personal health check-in and worst-case contingency plan before board meetings or fundraising.
works
Review freelancer contracts for fair termsskillLegalHRL1+11pp measured
legal-freelancer · Best for legal-freelancer tasks requiring domain expertise.
no effect
Create strategic marketing campaign briefsskillMarketingL10pp measured
campaign-brief · Marketing teams creating a single source of truth for campaign strategy before any creative production starts.
no effect
Design growth experiments with hypothesesskillMarketingL10pp measured
surge-experiment · Growth PMs designing experiments where you need clarity on mechanism, sample size, and decision criteria before engineering starts building.
works
Produce multi-surface optimized articlesskillMarketingL1+13pp measured
blog-writer · SaaS and service brands that need articles to generate signups/applications/consultations (not just traffic) and want to rank across Google, ChatGPT, Perplexity, and LinkedIn simultaneously.
hurts
Define ideal customer profiles before outreachskillSalesL1-8pp measured
icp-definition-and-validation · Pre-outreach work when spray-and-pray would burn reputation; tightens messaging for months of saved wasted effort.
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