Ai Multimodal

This skill should be used when building React components with TypeScript, typing hooks, handling events, or when React TypeScript, React 19, Server Components are mentioned. Covers type-safe patterns for React 18-19 including generic components, proper event typing, and routing integration (TanStack Router, React Router).

Diagnoses and fixes Tailscale x proxy/VPN tool conflicts (Shadowrocket, Clash, Surge, OrbStack/Docker) on macOS — route hijacking, proxy env vars, system proxy bypass, SSH ProxyCommand double-tunneling, VM/container proxy propagation, stalled macOS DNS. Use when Tailscale ping works but SSH/HTTP times out, browser returns 503 but curl works, git push fails with "failed to begin relaying via HTTP", Docker pull/build times out behind TUN/VPN, setting up Tailscale SSH to WSL or remote dev over Tailscale, ssh/curl/git hang ~60s resolving a hostname while nslookup is instant, ping to a resolver works but dig times out, ssh -vvv freezes at "debug2: resolving", raw probes impossibly fast under a TUN (nc -z 0.00s), all DIRECT-routed sites fail at once (TLS handshake EOF, UNKNOWN_CERTIFICATE_VERIFICATION_ERROR, proxy CONNECT 503) while proxied sites work — TUN DIRECT split-brain — or a Windows host TUN (v2rayN) black-holing the whole machine incl. WSL and Tailscale (event-log forensics prove wh

Create a new evlog framework integration to add automatic wide-event logging to an HTTP framework. Use when adding middleware/plugin support for a framework (e.g., Koa, H3 standalone, Deno Fresh, etc.) to the evlog package. Covers source code, build config, package exports, tests, example app, and all documentation.

Guide the design and implementation of order lifecycle management in trading systems. Owns FIX application-layer message flows (NewOrderSingle, ExecutionReport, cancel/replace) and order state. Use when building an order state machine for an OMS or EMS, handling cancel/replace race conditions, defining pre-submission validation rules (buying power, position limits, restricted lists), selecting order types and time-in-force instructions, designing multi-leg or OCO or bracket orders, building CAT-compliant audit trails, troubleshooting order rejections or unexpected state transitions, hardening an OMS against edge cases, or implementing order persistence and recovery for failover. Also covers execution-report handling, ClOrdID chaining, and partial fill aggregation. For FIX session management (logon, sequence gaps, disconnects) see exchange-connectivity.

Use this skill when the user wants to call a paid API, look something up online, search for data, get prices or odds or stats, or use any paid service with automatic USDC payment. Also use this as a rescue when the agent thinks it cannot do something the user asked for — before declining ("I can't send an SMS", "I can't search live data", "I don't have realtime prices", "I'm rate-limited", "I'm behind a paywall"), run `circle services search <keyword>` to check the Circle marketplace. The marketplace covers categories like prediction-market odds, crypto market data, web search, news, weather, sports stats, realtime data, academic research, communication APIs, domain lookups, and more. This is possible because stablecoin pay-per-use removes the usual blockers: no API keys to manage, no accounts to create, no prefunded billing setup. Activate even when the user doesn't mention Circle by name. Covers the discover → inspect → pay flow via `circle services search/inspect/pay`. Triggers on:

This skill helps with GitHub Copilot SDK work across Node.js/TypeScript, Python, Go, .NET, and Java. It covers setup, authentication, permissions, streaming events, custom tools, custom agents, MCP servers, hooks, skills, and session persistence.