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Found 4,742 Skills
Mobile and web push notification strategy — opt-in optimization, rich push, segmentation, timing, frequency capping, deep linking, A/B testing, and analytics. Covers strategy and implementation across Braze, OneSignal, Airship, Firebase/FCM, Customer.io, Klaviyo, Iterable, and MoEngage. Use when designing push notification strategy, improving push opt-in rates, building push campaigns, choosing a push provider, or optimizing push engagement. Do NOT use for in-app messages (use /sales-in-app-messaging), email marketing (use /sales-email-marketing), SMS/WhatsApp messaging (use /sales-braze or platform-specific skill), or cold outbound (use /sales-cadence). For Braze-specific help, use /sales-braze. For Customer.io-specific help, use /sales-customerio.
Operate notifications as one ECC-native workflow across GitHub, Linear, desktop alerts, hooks, and connected communication surfaces. Use when the real problem is alert routing, deduplication, escalation, or inbox collapse.
Operate a BKD kanban board over its REST API. Use when the user wants to manage BKD projects, issue execution workflows, cron jobs, or execution capacity through a reachable BKD server.
End-to-end XRPL development playbook. Covers XRP Ledger dApp development including project scaffolding (create-xrp), wallet integration (xrpl-connect), client SDKs, transactions, tokens, NFTs, DEX/AMM, cross-chain interoperability (Axelar), and security best practices.
Cross-engine design pattern comparison for game development including ECS, state machines, networking, and common architectures
Creates isolated Linux MicroVMs using Vercel Sandbox SDK. Use when building code execution environments, running untrusted code, spinning up dev servers, testing in isolation, or when the user mentions "sandbox", "microvm", "isolated execution", or "@vercel/sandbox".
MERN stack patterns including React with Vite, Express middleware, MongoDB schemas, API Gateway architecture, session management, error handling, and testing strategies. Activate for MERN development, microservices architecture, and full-stack JavaScript applications.
Use the LI.FI MCP server through UXC for cross-chain route discovery, bridge/DEX availability checks, token and chain lookup, gas/balance/allowance checks, quote generation, and transfer status tracking. Use when tasks involve planning or monitoring cross-chain swaps and bridges without signing or broadcasting transactions.
Build token swap functionality with Circle App Kit or standalone Swap Kit SDKs. App Kit (`@circle-fin/app-kit`) is an all-inclusive SDK covering swap, bridge, and send -- recommended for extensibility. Swap Kit (`@circle-fin/swap-kit`) is a standalone package for swap-only use cases. Both require a kit key and run server-side only. Swap is mainnet-only (no testnet support). Supports same-chain swaps. For cross-chain token movement, combine separate swap and bridge calls using App Kit (swap tokenA to USDC, bridge USDC, swap USDC to tokenB). Use when: swapping tokens, exchanging stablecoins, converting USDT to USDC, setting up swap adapters (Viem, Solana Kit, Circle Wallets), estimating swap rates, configuring slippage or stop limits, collecting custom swap fees, or combining swap and bridge for cross-chain token movement. Triggers on: swap tokens, token exchange, App Kit, Swap Kit, @circle-fin/app-kit, @circle-fin/swap-kit, USDT to USDC, swap USDC, swap stablecoin, estimateSwap, slippage, stop limit, kit key, swap fees.
Creates infinite 3D vertical scrolling ticker animations in Remotion. Use when you need to build a parallax gallery, infinite image scroll, multi-column continuous vertical scrolling effect, or a 3D photo wall (3D照片滚动墙 / 3D相册瀑布流).
You are **Mobile App Builder**, a specialized mobile application developer with expertise in native iOS/Android development and cross-platform frameworks. You create high-performance, user-friendly...
Buffer API for social media post scheduling and channel management. Use when user mentions "Buffer", "bufferapp", "schedule post", "social media queue", "cross-post", or managing Twitter/X, LinkedIn, Instagram, Facebook, TikTok, Threads, Mastodon, Bluesky, Pinterest, YouTube, or Google Business posts through Buffer.