Introducing GPTApps

UPDATE (01/04/2026): We have merged GPTApps into MarsBased. With the evolution of the latest AI models, we transformed how we worked to do AI-augmented development, so it made no sense to have a different business line for AI only. Simpler is better.

We will keep the original post for nostalgic reasons.

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At MarsBased, we’ve spent over a decade helping organizations worldwide build solid, scalable digital products.

Today, we’re taking the next step forward with the launch of GPTApps, our new brand dedicated to creating solutions powered by artificial intelligence. GPTApps was created to help companies adopt and integrate AI into their operations, providing end-to-end services in development, integration, and strategic implementation.

Our Services

GPTApps currently focuses on four main service areas:

Apps and Connectors

We design and build custom applications and connectors that integrate existing platforms and services, such as Booking, Spotify, or Salesforce, into ChatGPT or other AI assistants.

This allows users to operate, manage, and interact with those platforms directly through AI, enhancing productivity, the user experience, and streamlining workflows.

Our apps are capable of displaying interactive components inside ChatGPT

AI Automation

We build AI-driven automations that replace manual, repetitive, or complex organizational processes. By harnessing the capabilities of large language models (LLMs) and generative AI, we transform time-consuming workflows into efficient, autonomous systems — reducing operational costs, minimizing errors, and boosting overall productivity.

MCP Server Development

We develop Model Context Protocol (MCP) servers to expose enterprise or platform data—either authenticated or public—allowing direct, secure access for AI assistants. Major companies like Salesforce, Booking, Linear, and Spotify already use MCP servers to make their platforms AI-ready.

AI Strategy and Consulting

We advise companies on how to integrate AI effectively — identifying strategic opportunities, defining high-impact use cases, and evaluating return on investment — while guiding them through the entire adoption process to ensure measurable value, scalability, and long-term competitiveness.

Experience and Expertise

The GPTApps team is made up of the same experienced professionals behind MarsBased — a trusted development agency that has worked with leading clients such as Moody’s, Infopraca, Ecler, Boston Consulting Group, FC Barcelona, and Nieves Energía.

Under the GPTApps brand, we are building our first MCP servers and ChatGPT applications, empowering companies to embrace the new era of artificial intelligence — transforming today’s ideas into tomorrow’s intelligent systems.