Best Claude skills for performance in 2026

Reconstructs the development cycle from git history, distills sequential/parallel patterns, and produces actionable insights for improving future iterations. Triggers: recall, retrospective, development analysis, what happened, dev cycle analysis.

Analyze carbon accounting and emissions tracking software for Scope 1/2/3 calculation accuracy, GHG Protocol compliance, offset verification, supply chain emissions, reporting standards (CDP, TCFD, GRI, SASB, SEC), reduction target tracking, and audit trail integrity. USE THIS SKILL WHEN: user mentions carbon accounting, emissions tracking, GHG Protocol, Scope 1/2/3 emissions, carbon offsets, CDP reporting, TCFD, sustainability reporting, carbon footprint calculation, science-based targets, or ESG emissions data. Trigger phrases: "analyze carbon accounting", "emissions calculation review", "GHG Protocol compliance check", "Scope 3 analysis", "offset verification audit", "CDP reporting readiness", "TCFD alignment review", "carbon reduction target tracking", "emissions audit trail", "sustainability reporting gap analysis".

Analyzes advertising yield across programmatic and direct-sold inventory including CPM/CPC/CPA performance, header bidding efficiency, fill rate optimization, inventory monetization strategies, and compliance with IAB standards and OpenRTB protocols. USE THIS SKILL WHEN: - You need to audit ad revenue performance or diagnose yield drops - Someone asks about header bidding configuration or Prebid.js optimization - You are analyzing fill rates, eCPM trends, or ad unit performance - A project involves programmatic advertising, SSP integration, or ad serving - You need to verify ads.txt, sellers.json, or supply chain compliance - Someone mentions CPM floors, bid density, or auction dynamics - You are evaluating ad quality controls, viewability, or ad-related UX impact - A codebase integrates Google Ad Manager, AdMob, Prebid, or any SSP TRIGGER PHRASES: "ad yield", "eCPM", "fill rate", "header bidding", "Prebid", "programmatic ads", "ad monetization", "CPM optimization", "ad revenue", "ads.

Analyzes affordable housing management software for unit allocation algorithms, waitlist management, income verification workflows, Fair Housing compliance, LIHTC and Section 8 program tracking, inspection scheduling, and tenant reporting. USE THIS SKILL WHEN: - You are reviewing housing management software or tenant management systems - Someone asks about Section 8, LIHTC, or public housing program compliance - You need to audit unit allocation algorithms for fairness or bias - A project involves waitlist management, income verification, or rent calculations - You are evaluating HUD compliance (50058, EIV, PIC submissions) - Someone mentions Fair Housing, reasonable accommodation, or protected class handling - You need to review HQS/NSPIRE inspection tracking or abatement workflows - A codebase handles tenant eligibility, subsidy calculations, or housing vouchers TRIGGER PHRASES: "affordable housing", "Section 8", "LIHTC", "public housing", "waitlist management", "income verification"

Analyzes mobile app binary size -- asset audit for unused images and font subsetting, code stripping with ProGuard and tree-shaking, on-demand resources, dynamic feature modules, and app thinning strategies. USE THIS SKILL WHEN: - Your app's download size is too large or growing unexpectedly - Someone asks "why is our app so big?" or "how do we reduce app size?" - You need to audit assets (images, fonts, videos) for waste or optimization - App store reviewers flag your app for exceeding cellular download limits (200MB) - You want to check if ProGuard/R8, tree-shaking, or resource shrinking is properly configured - Someone mentions ABI splits, dynamic feature modules, or on-demand resources - You are preparing for a release and want to minimize download size - Users are complaining about storage space or download times - You need to audit dependencies for size bloat or lighter alternatives TRIGGER PHRASES: "app size", "binary size", "reduce app size", "APK size", "IPA size", "unused ass

Analyzes App Store and Play Store listing optimization -- keyword research, title optimization, screenshot conversion analysis, A/B testing setup, review sentiment analysis, competitor gaps, and localization coverage. USE THIS SKILL WHEN: - You want to improve your app's discoverability or ranking in app stores - Someone asks about ASO, keyword optimization, or store listing improvements - Your app has low conversion rates from impressions to installs - You need to audit your Fastlane metadata or store listing assets - Someone asks about screenshot best practices or preview video strategy - You want to analyze competitor store listings for keyword gaps - You need to plan A/B tests for store listing elements - Your app has poor ratings and you want to understand review sentiment - You are expanding to new markets and need localization guidance - Someone mentions "keyword field", "subtitle optimization", or "feature graphic" TRIGGER PHRASES: "ASO", "app store optimization", "keyword rese

Analyzes asset lifecycle planning systems for capital expenditure forecasting, replacement scheduling, total cost of ownership modeling, depreciation tracking, and facility condition assessments using IFMA standards and Facility Condition Index scoring. USE THIS SKILL WHEN: - You are reviewing facilities management or asset management software - Someone asks about capital planning, replacement scheduling, or deferred maintenance - You need to evaluate Facility Condition Index (FCI) calculations or condition assessments - A project involves total cost of ownership (TCO) or life cycle cost analysis (LCCA) - You are auditing an asset registry, CMDB, or equipment database - Someone mentions Maximo, SAP EAM, Archibus, TRIRIGA, or similar platforms - You need to assess depreciation tracking or fixed asset register accuracy - A facility portfolio has growing deferred maintenance or declining FCI scores - Capital budget requests need data-driven prioritization TRIGGER PHRASES: "asset lifecycle

Analyzes audit readiness systems for internal control testing, evidence collection workflows, statistical sampling methodology, audit finding documentation, and remediation tracking using PCAOB, ISA, and SOX compliance frameworks. USE THIS SKILL WHEN: - You are preparing for an internal or external audit and need a readiness assessment - Someone asks about SOX compliance, control testing, or audit evidence management - You need to evaluate sampling methodology (statistical vs. judgmental) - A project involves GRC platforms (AuditBoard, Workiva, MetricStream, TeamMate) - You are reviewing control design or operating effectiveness testing procedures - Someone mentions material weakness, significant deficiency, or PCAOB standards - You need to assess remediation tracking for open audit findings - IT general controls (ITGC) need evaluation (access management, change management) - Finding documentation quality is poor or repeat findings keep occurring - You need to verify evidence collectio

Analyze government benefits processing software for eligibility determination, application workflow efficiency, document verification, error rates, appeal tracking, multi-program coordination, and ADA/Section 508 compliance. USE THIS SKILL WHEN: user mentions benefits eligibility, SNAP, Medicaid, TANF, WIC, government assistance programs, social services software, eligibility rules engine, caseworker workflow, benefits application processing, or Section 508 accessibility. Trigger phrases: "analyze benefits system", "eligibility determination review", "benefits processing audit", "government program compliance", "caseworker workflow analysis", "appeal tracking review", "benefits application efficiency".

Analyze bookkeeping automation systems for transaction categorization, bank reconciliation, AP/AR efficiency, chart of accounts optimization, and month-end close using GAAP and double-entry accounting patterns. USE THIS SKILL WHEN: user mentions bookkeeping, accounting automation, bank reconciliation, accounts payable, accounts receivable, chart of accounts, month-end close, transaction categorization, QuickBooks, Xero, general ledger, or double-entry accounting. Trigger phrases: "analyze bookkeeping", "audit accounting system", "reconciliation review", "AP automation analysis", "AR collections review", "month-end close optimization", "chart of accounts cleanup", "categorization accuracy", "accounting workflow audit".