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Found 10,461 Skills
Design real technical solution architectures for scalable, secure, cost-aware systems by selecting patterns, components, integrations, data flows, and tradeoffs; use when asked for senior solution architecture, system architecture, SaaS architecture, LLM architecture, or architecture decisions after a spec.
Build unified cross-chain USDC balance management with Circle Unified Balance Kit SDK via App Kit (`@circle-fin/app-kit`) or standalone (`@circle-fin/unified-balance-kit`). Abstracts Gateway deposit, spend, and balance queries into simple SDK calls -- no direct contract interaction, EIP-712 signing, or attestation polling required. App Kit is recommended for extensibility across swap, bridge, send, and unified balance. Standalone Unified Balance Kit provides the same API surface in a lighter package. Neither requires a kit key for unified balance operations. Supports EVM chains and Solana via adapter packages. Use when: depositing USDC into a unified balance, spending from a unified balance to any supported chain, checking unified balance across chains, setting up Unified Balance Kit adapters (Viem, Solana, Circle Wallets), managing delegates for account separation, or building chain-abstracted USDC payment flows. Triggers on: unified balance, Unified Balance Kit, UnifiedBalanceKit, @circle-fin/unified-balance-kit, deposit USDC unified, spend unified balance, getBalances, cross-chain USDC SDK, chain abstraction SDK, adapter-viem, adapter-solana, depositFor, addDelegate, unified USDC.
Adds, repairs, or migrates a production-grade RevenueCat plus Superwall integration in a React Native Expo app for iOS and Android. Chooses between CustomPurchaseControllerProvider and purchasesAreCompletedBy or observer-mode migration, wires Expo config and development builds, syncs identities and entitlements, handles Android base plans and offers, iOS UUID appAccountToken quirks, restore behaviour, analytics, testing, and troubleshooting. Use when the user asks to add subscriptions, paywalls, RevenueCat, Superwall, entitlements, restore flows, account switching, or monetisation migration in an Expo app. Do not use for bare React Native, RevenueCat-only UI work, or web-only billing.
Build complex claude.ai HTML artifacts with React and Tailwind. Anthropic's reference workflow for shipping rich, embeddable artifacts.
Comprehensive testing doctrine for software and AI systems — covers positive patterns, anti-patterns, gates for coding agents writing tests, CI discipline, and an LLM/agent evaluation primer. Use when authoring or reviewing tests, adding mocks, deciding test placement, generating tests via agents, debugging flaky CI, designing eval suites for LLM features, or rebuilding a brittle test suite. Contains 12 positive patterns (selector hierarchy, table-driven, builders, real-system gates), 25 anti-patterns across Brittleness, Flakiness, Mock-misuse, Process, and AI-specific families, 7 mandatory gates for agents writing tests, flaky-test taxonomy with quarantine workflow, contract / property / mutation testing patterns, and an oracle-ladder primer for LLM-as-judge and agent eval. Language-agnostic — pseudo-code only. Don't use for general code review, library-specific debugging unrelated to tests, non-testing CI pipeline design, or production observability.
Query and aggregation-pipeline optimization rules for Azure DocumentDB — using `explain("executionStats")` to verify index usage and avoid `COLLSCAN`. Use when reviewing a specific query, diagnosing a slow query, or validating that an index is actually being used. For full index-design workflow, see the `documentdb-query-optimizer` skill.
Post-investment monitoring via Longbridge Securities — tracks portfolio holdings vs plan on a quarterly / monthly basis, extracts key KPIs (revenue growth / gross margin / cash flow), flags deviations vs expectations, and generates a monitoring report with add / reduce / stop-loss recommendations. Triggers: "投后监控", "持仓监控", "定期复盘", "跟踪持仓", "持仓检视", "KPI跟踪", "业绩追踪", "投後監控", "持倉監控", "定期複盤", "追蹤持倉", "KPI追蹤", "post-investment monitoring", "position monitoring", "portfolio review", "KPI tracking", "performance tracking", "investment monitoring", "holding review".
Data file fetching and caching for geoscience applications. Download sample datasets with automatic caching, checksum verification, and multiple download sources. Use when Claude needs to: (1) Download datasets from URLs or DOIs, (2) Cache files locally with automatic verification, (3) Verify file integrity with SHA256/MD5 hashes, (4) Extract compressed archives (ZIP, TAR, GZIP), (5) Create data registries for reproducible workflows, (6) Fetch from Zenodo or other repositories.
Systematic literature review workflow: scope, search (arXiv, Semantic Scholar, Google Scholar), screen, extract, synthesize, and identify gaps. Triggers on: "literature review", "survey the literature", "related work", "systematic review", "synthesize the research", "find papers about", "research gap analysis".
SEO & Content Marketing command suite for keyword research, content audits, SERP analysis, technical SEO, and content strategy workflows
Full Sentry SDK setup for Cloudflare Workers and Pages. Use when asked to "add Sentry to Cloudflare Workers", "install @sentry/cloudflare", or configure error monitoring, tracing, logging, crons, or AI monitoring for Cloudflare Workers, Pages, Durable Objects, Queues, Workflows, or Hono on Cloudflare.
Guides product management for human data platforms—annotation and labeling products, workforce workflows, task design, quality systems (gold sets, adjudication, inter-annotator agreement), customer ML-team project delivery, contributor experience, and privacy-safe handling of human-generated training data. Use when prioritizing roadmap for labeling/RLHF/eval data platforms, writing PRDs for annotation or QA features, defining success metrics for throughput and quality, scoping enterprise customer workflows, or balancing cost-quality-speed tradeoffs—not for hands-on model training (data-scientist), warehouse/analytics pipelines (data-warehouse-engineer), generic BRD workshops without product lens (business-analyst), AI solution architecture for copilots (applied-ai-architect-commercial-enterprise), or control implementation for audits (compliance-engineer). UX flows: product-designer. Eval harnesses: prompt-engineer-agent-prompts-evals. Pricing/packaging for platform: product-management-monetization.