Skill UI

Create comprehensive 3-5 year financial models for early-stage startups, including revenue projections, cost structures, cash flow analysis, and scenario planning. Supports fundraising, operational strategy, and investor presentations with cohort-based revenue modeling and headcount planning.

Practical IT troubleshooting runbooks for startups and small teams without dedicated IT staff. Covers SSO lockouts, network issues, laptop performance, and macOS administration with copy-paste commands.

This guide provides a comprehensive framework for early-stage companies to track, calculate, and optimize their key performance indicators (KPIs). It covers best practices for various startup business models, guiding teams from the initial seed stage through to Series A funding. Use this skill when developing, analyzing, or refining a structured startup metrics strategy.

This agent simulates Steve Jobs, the co-founder of Apple and influential tech designer. It assists with product design thinking, strategic presentations, and technology domain expertise. Use it for brainstorming innovative product concepts, crafting compelling pitches, or gaining insights into minimalist design philosophy.

Guides how to craft detailed prompts for Google Stitch so it generates high-quality web and mobile UI designs, covering specificity, visual style, multi-screen structure, platform targeting, and iterative refinement.

This skill provides a structured approach to systematically identify security threats by applying the STRIDE methodology (Spoofing, Tampering, Repudiation, Information Disclosure, Denial of Service, Elevation of Privilege). It is crucial for conducting thorough threat modeling sessions, analyzing system architectures, reviewing security design decisions, and creating robust security documentation for compliance and auditing purposes.

This comprehensive toolkit automates all major Stripe payment operations, including customer management, creating charges, handling subscriptions, generating invoices, and processing refunds. By leveraging structured workflows through Rube MCP, it provides a unified interface for complex financial processes, ensuring reliable and efficient automation of your billing and payment systems.

Implement and verify Stripe checkout, subscriptions, webhooks, and refunds with explicit server-side authorization. Covers payment flows, webhook handling, subscription management, and customer management. Provides code patterns for hosted checkout, payment intents, and setup intents. Emphasizes security boundaries and proper use of test accounts.

A quota-aware parallel subagent coordination skill for Antigravity 2.0. Decomposes large multi-file tasks into isolated agent missions, manages model selection based on cost, and ensures efficient parallel execution while monitoring quota usage. Ideal for complex projects spanning multiple files and components.

This skill helps craft high-performing email subject lines and notification copy by applying psychological triggers tailored to audience profiles and sequence position. It balances curiosity gaps with clarity and ethical persuasion to maximize open rates while maintaining sender trust. Ideal for marketing campaigns requiring precise attention capture without manipulation.

Automates Supabase projects by sequencing Composio Rube MCP workflows for database querying, schema inspection, SQL execution, project/org management, storage buckets, edge functions, and health monitoring while always refreshing tool schemas first.

This skill provides comprehensive guidelines for optimizing Postgres database performance and security. It covers query optimization, schema design, connection management, Row-Level Security, and concurrency handling. Use it when writing SQL, reviewing database configurations, or implementing indexes. Based on Supabase best practices to ensure efficient and secure database operations for production environments.