lingxling

Estrategia e implementacao de monetizacao para produtos digitais - Stripe, subscriptions, pricing experiments, freemium, upgrade flows, churn prevention, revenue optimization e modelos de negocio SaaS.

Git-aware undo by logical work unit (track, phase, or task)

Database design principles and decision-making. Schema design, indexing strategy, ORM selection, serverless databases.

Automatize tarefas da API Currents via Rube MCP (Composio). Sempre procure primeiro nas ferramentas pelos esquemas atuais.

Guide for creating high-quality MCP (Model Context Protocol) servers that enable LLMs to interact with external services through well-designed tools. Use when building MCP servers to integrate external APIs or services, whether in Python (FastMCP) or Node/TypeScript (MCP SDK).

Master automated billing systems including recurring billing, invoice generation, dunning management, proration, and tax calculation.

Expert guide on prompt engineering patterns, best practices, and optimization techniques. Use when user wants to improve prompts, learn prompting strategies, or debug agent behavior.

Plan and optimize lead magnets for email capture and lead generation. Use when designing gated content, checklists, templates, downloadable resources, or other offers that convert visitors into subscribers.

Track code changes with structured JSON records, state machine enforcement, and AI session handoff for bot continuity

SymPy is a Python library for symbolic mathematics that enables exact computation using mathematical symbols rather than numerical approximations.

MANDATORY: Run appropriate validation tools after EVERY code change. Do not finish a task until the code is error-free.

Automate Basecamp project management, to-dos, messages, people, and to-do list organization via Rube MCP (Composio). Always search tools first for current schemas.