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Guide for creating effective skills, adding skill references, skill scripts or optimizing existing skills. This skill should be used when users want to create a new skill (or update an existing skill) that extends Claude's capabilities with specialized knowledge, workflows, frameworks, libraries or plugins usage, or API and tool integrations.
Product management expertise for product strategy, roadmap planning, feature prioritization (RICE, ICE, MoSCoW), customer research, A/B testing, product analytics, and product-market fit. Use when building product roadmaps, prioritizing features, or defining product strategy.
Omniscient APEX Ecosystem development skill. Triggers: apex code, omnihub development, tradeline build, aspiral feature, apex bug, fix apex, apex architecture, omnidash component, triforce guardian, man mode, apex security, apex test, armageddon test, apex deploy, apex optimize, semantic translation, web2 web3 bridge. Produces: zero-drift, first-pass success code for APEX OmniHub, TradeLine 24/7, aSpiral, and all connected applications. Compatible with all LLMs.
Skill to migrate a monorepo Python project from pip/pip-tools to uv, converting requirements files to pyproject.toml and uv.lock, and updating workflows for universal, locked, multi-group dependencies.
Deploy and manage live trading agents on Hyperliquid. ⚠️ HIGH RISK - REAL CAPITAL AT STAKE ⚠️ Provides deployment_create (launch agent, $0.50), deployment_list (monitor), deployment_start/stop (control), and account tools (credit management). Supports EOA (1 deployment max) and Hyperliquid Vault (200+ USDC required, unlimited deployments). CRITICAL: NEVER deploy without thorough backtesting (6+ months, Sharpe >1.0, drawdown <20%). Start small, monitor daily, define exit criteria before deploying.
Gives the agent the ability to send, receive, search, and manage emails directly from the terminal or via a local HTTP API. Use this skill when the agent needs to handle email tasks: sending messages, reading inbox, replying, forwarding, managing contacts, organizing with tags/folders/filters, scheduling background sync, setting up webhooks for new email events, or automating email workflows. Supports structured output (--format json/markdown/html), field selection (--fields), standardized exit codes, and a local REST API with OpenAPI docs. Works with IMAP/SMTP providers including Gmail, Outlook, QQ Mail, and others. Activates on keywords: send email, check inbox, reply, forward, email automation, contacts, email template, notifications, webhook, http api, format json, field selection, serve, openapi.
Jujutsu (`jj`) is a Git-compatible version control system with a simpler mental model - no staging area, working copy is always a commit, and conflicts don't block operations. Use this skill for version control operations in `jj` repositories (which may be co-located with `git`) or when `jj` is called out specifically.
Write JavaScript code with deep understanding of the language fundamentals as envisioned by Brendan Eich, creator of JavaScript. Emphasizes first-class functions, prototypes, and the dynamic nature of the language. Use when leveraging JavaScript's unique characteristics.
Use when managing growth experiments, when a product area faces diminishing returns, or when deciding whether to generalize or specialize in career or product strategy
End-to-end testing scenarios for Supabase - complete workflow tests from project creation to AI features, validation scripts, and comprehensive test suites. Use when testing Supabase integrations, validating AI workflows, running E2E tests, verifying production readiness, or when user mentions Supabase testing, E2E tests, integration testing, pgvector testing, auth testing, or test automation.
Execute complex tasks with intelligent workflow management and cross-session persistence. Use when managing large projects, tracking progress across sessions, or orchestrating multi-phase work.
Provides comprehensive guidance for Sketch design tool including artboards, symbols, styles, and prototyping. Use when the user asks about Sketch, needs to create designs in Sketch, work with Sketch symbols, or export designs from Sketch.