Patterns and strategies for cache invalidation - one of the two hardest problems in computer science.

cache-list

Implement production-grade caching with cache keys/TTLs/consistency classes per query, SWR (stale-while-revalidate), explicit invalidation, HTTP cache headers, and comprehensive testing for stale reads and cache warmup. Use when adding caching to queries, implementing cache invalidation, configuring HTTP caching, or ensuring cache consistency and performance.

cache-metrics

Track cache hit rates, latency, and detect cache-related issues

Implement caching strategies for HTTP, service workers, and memoization

The 4 layers of caching (Memoization, Data Cache, Full Route, Router Cache).

Implement efficient caching strategies using Redis, Memcached, CDN, and cache invalidation patterns. Use when optimizing application performance, reducing database load, or improving response times.

Enforces project caching conventions when implementing cache layers using React cache(), Next.js unstable_cache, Upstash Redis, and Cloudinary. This skill ensures consistent patterns for cache keys, tags, TTL configuration, cache invalidation, and domain-specific CacheService helpers.

caddy-https-troubleshoot

caddy-subdomain-add

caddy

Use when spacing, sequencing, and pacing multi-touch email programs.

Scans Cairo/StarkNet smart contracts for 6 critical vulnerabilities including felt252 arithmetic overflow, L1-L2 messaging issues, address conversion problems, and signature replay. Use when auditing StarkNet projects.

Interact with the Cal.com API v2 to manage scheduling, bookings, event types, availability, and calendars. Use this skill when building integrations that need to create or manage bookings, check availability, configure event types, or sync calendars with Cal.com's scheduling infrastructure.

Calculate priority score for bugs, issues, or tasks based on severity, impact, and likelihood. Use for bug prioritization, task ordering, or risk assessment.

This skill should be used when fixing Vue.js calendar task scheduling issues, specifically when tasks with due dates incorrectly appear in calendar grid instead of staying in calendar inbox. The skill provides comprehensive research-backed solutions for separating task management from calendar scheduling with mandatory Playwright testing.

calendar-sync

Calendly scheduling automation using REST API v2 for managing event types, availability, bookings, webhooks, and scheduling workflows

Invoke the Cursor CLI for security-focused plan validation and code review.

Invoke the Gemini CLI for architecture and scalability review.

Diagnose underperforming campaigns by analyzing metrics against benchmarks, checking creative fatigue, evaluating audience saturation, and assessing offer/lander issues. Use when campaigns stop working, CPA rises unexpectedly, or performance declines.

EMERGENCY ONLY - Manually cancel running auto session. Generates summary report and releases lock. Activates for: cancel auto, stop auto, emergency cancel.

This skill should be used when content teaches patterns (skills, subagents, ADRs, PHRs, specifications) that have canonical sources elsewhere. Prevents format drift by ensuring content references and follows the authoritative format from canonical sources. Use before implementing lessons that teach platform patterns, or when reviewing content for format consistency.

Canonical specification format reference. Use when understanding the canonical spec schema, field requirements, provider-agnostic specification structure, or validating specifications against the schema.

Runs Canva monorepo validation commands - pnpm fin, taz check, pnpm test, a11y storybook tests, typechecking, linting, and dependency fixes. Run before committing/pushing. Use when asked to lint, typecheck, test, run storybook, fix imports, or validate code in the Canva monorepo.

Implements AI tools for Canvas generation and updates. Use when creating GenUI tools for code generation, document editing, or Canvas interactions.

Develops Canvas code execution features with Pyodide/iframe sandboxing. Use when working on Python/JS execution, package management, or sandbox security.

Floating toolbar that overlays design review findings directly on web pages in real-time. Displays numbered badges on problematic elements with severity-colored borders, hover popovers for issue detai

Visual regression for canvas-rendered matrix progressions. Tests filmstrip strips that show how 2D data evolves visually over time. Auto-apply when editing *Progressions.ts strip definitions or stories with filmstrip components.

Create GitHub issues directly from agent-canvas sessions with element context, screenshots, and page information.

Generate a comprehensive weekly plan for a student, showing all upcoming assignments, current grades, submission status, and pending peer reviews across all enrolled courses.

Display HTML content on connected Clawdbot nodes (Mac app, iOS, Android).

Identify capability gaps and propose new skills with prioritization. Use when analyzing missing capabilities, planning skill development, performing ontology expansion, or assessing coverage.

Check if a specific action is possible and what might be blocking it. Use when asking if you can do something, checking permissions, verifying a capability exists, or troubleshooting why something isn't working. Trigger words: can I, capability, able to, permission, possible, how do I.

You are an expert in the Capacitated Vehicle Routing Problem and capacity-constrained fleet optimization. Your goal is to help design optimal delivery routes where vehicles have strict capacity constr

Complete guide to publishing Capacitor apps to Apple App Store and Google Play Store. Covers app preparation, screenshots, metadata, review guidelines, and submission process. Use this skill when users are ready to publish their app.

Complete guide to implementing deep links and universal links in Capacitor apps. Covers iOS Universal Links, Android App Links, custom URL schemes, and navigation handling. Use this skill when users need to open their app from links.

Guide to handling keyboard in Capacitor apps including visibility detection, accessory bar, scroll behavior, and input focus. Use this skill when users have keyboard-related issues.

Model Context Protocol (MCP) tools for Capacitor mobile development. Covers device management, app deployment, log streaming, and automated testing via MCP. Use this skill when users want to automate mobile development tasks or integrate AI agents with mobile tooling.

Comprehensive security guide for Capacitor apps using Capsec scanner. Covers 63+ security rules across secrets, storage, network, authentication, cryptography, and platform-specific vulnerabilities. Use this skill when users need to secure their mobile app or run security audits.

Complete testing guide for Capacitor apps covering unit tests, integration tests, E2E tests, and native testing. Includes Jest, Vitest, Playwright, Appium, and native testing frameworks. Use this skill when users need to test their mobile apps.

You are an expert in capacity planning and resource optimization. Your goal is to help organizations match capacity with demand, optimize resource utilization, identify bottlenecks, and make cost-effe

Check mission status and progress via fresh subagent. Queries Beads for features, tasks, bugs, and recent work activity. Keeps HOUSTON context lean.

Complete guide to implementing live updates in Capacitor apps using Capgo. Covers account creation, plugin installation, configuration, update strategies, and CI/CD integration. Use this skill when users want to deploy updates without app store review.

Use percentage-based capital limits, not hard-coded dollar amounts. Trigger when: (1) trades blocked on small accounts, (2) min_cash_buffer is absolute dollars, (3) capital allocation doesn't scale with account size, (4) fixed dollar thresholds in risk code.

Capture API response test fixture.

This skill performs end-to-end verification of WaveCap-SDR captures, detecting stuck captures, missing audio, and spectrum issues.

Analyze recent conversation context and capture learnings—either to project knowledge files or to skills/commands/subagents for cross-project reuse.

This skill should be used when the user says 'done for today', 'end session', 'capture learnings', 'wrap up', or asks 'what did we learn?'. Captures actionable insights, patterns, and outcomes from the current session into persistent memory with optional Beads issue tracking.