Brazilian startup mybrain.ai aims to transform human thought into a digital asset

Founded by Marcos Nader, mybrain.ai is developing a platform designed to capture how individuals think, make decisions, and connect information, thereby creating a digital map of personal knowledge. The system aggregates documents, conversations, interviews, and other personal records to construct a knowledge graph that can be consulted or, in the future, licensed for use in artificial intelligence applications.

A digital memory that learns from its user

The platform’s first step involves collecting the user’s knowledge sources. The app will launch in October for invited users and in November for the general public, enabling connections to services such as Notion, Google Drive, Dropbox, OneDrive, Obsidian, LinkedIn, and Instagram. It will also integrate memories from AI assistants like ChatGPT, Claude, Gemini, Perplexity, and Grok.

Using these materials, the platform builds a knowledge graph that identifies relationships between information accumulated over time. Maia, an AI agent functioning as a digital ghostwriter, interviews the user via text or voice on suggested or freely chosen topics, using these conversations to enrich the knowledge map.

This approach differs from traditional personal organization tools like Notion and Mem by attempting to interpret the context behind stored data rather than merely storing it.

The challenge of safeguarding personal memory

The company asserts that the data belongs to the user, who can request its download or deletion. Documents are encrypted and hosted on Amazon Web Services (AWS) and Google Cloud. The startup currently lacks certifications such as SOC 2 or ISO 27001.

During the beta phase, part of the processing—including tasks related to the graph and conversations—still relies on external models, with measures in place to pseudonymize personal information. The company plans to transition this infrastructure to its own solutions but has not disclosed which external providers are currently used.

When knowledge becomes an asset

Converting personal knowledge into revenue is a future objective. The company’s website presents stored content as an asset that could be licensed, though this model is not yet available. Nader envisions applications such as consulting, mentoring, training, classes, and agents capable of participating in meetings or answering questions based on accumulated knowledge.

In the absence of a licensing model, the business operates on a subscription basis. During the beta period, usage is free. The company plans to offer a free tier limited to 50 knowledge sources, a Pro plan at R$139 per month, and a Max plan at R$499 per month with unlimited use of Maia. The business has been self-funded by the founder, with no investment funds involved so far, although discussions with angel investors are ongoing.

The debate over who owns knowledge

Mybrain.ai’s proposal raises legal questions about the extent to which an individual’s thought processes can be considered a protected asset. Brazil’s Copyright Law does not protect ideas, methods, and systems, but only their expression.

Nader states that the company’s strategy relies on copyright, contracts, and confidentiality. He draws parallels between the current state of AI and the music industry, citing Napster as an example of demand that predated a legitimate remuneration model, which was later established by Spotify.

The founder also highlights recent disputes between AI companies and content producers as evidence that the market is beginning to address ways to compensate for the use of human knowledge. For him, mybrain.ai’s distinction lies in its ability to transform not only stored information but also the relationships between it into a digital representation.

Frequently Asked Questions

What is mybrain.ai? It is a Brazilian AI startup that creates a digital representation of an individual’s knowledge and reasoning processes by gathering documents, conversations, and other records to build a personal knowledge map.

Who founded mybrain.ai? The company was founded by Marcos Nader, also the founder of fintech Nomad, with the goal of creating a digital layer that represents how a person thinks, decides, and connects information.

How does mybrain.ai work? The platform collects content provided by the user, such as documents, links, interviews, videos, and podcasts, and creates a knowledge graph that identifies relationships between information, experiences, and decisions.

What is Maia? Maia is an AI agent that communicates with the user via text or voice, asking questions about topics related to the stored material and using these conversations to expand the knowledge map.

Is mybrain.ai an AI-powered notebook? No. The concept goes beyond storing content, aiming to interpret the relationships between stored information.

What information can be connected? The company enables connections with services such as Notion, Google Drive, Dropbox, OneDrive, Obsidian, LinkedIn, and Instagram, as well as integration with memories from AI assistants like ChatGPT, Claude, Gemini, Perplexity, and Grok.

Does mybrain.ai use models from OpenAI or Anthropic? The primary technology utilizes small open-source models, but documentation indicates that during the beta phase, part of the processing still depends on external models, with pseudonymization measures in place.

How does mybrain.ai protect user data? Data is encrypted and hosted on AWS and Google Cloud. The company asserts that the data is not used to train AI models and that users can request its download or deletion.

Can mybrain.ai sell or license a person’s knowledge? This is a planned future model that would enable controlled licensing of portions of knowledge for applications such as consulting, training, or AI agents.

How much does mybrain.ai cost? During the beta period, usage is free. Future plans include a free option limited to 50 sources, a Pro plan at R$139/month, and a Max plan at R$499/month with unlimited use of Maia.

Has mybrain.ai received investment from funds? To date, funding has come from the founder himself. Discussions with angel investors are ongoing, but no agreement has been reached.

Can a person own their own way of thinking? This issue remains subject to legal debate. Copyright law does not protect ideas, methods, and systems, but mybrain.ai plans to use contracts, applicable copyright law, and confidentiality to structure its licensing model.

What is mybrain.ai’s vision for the future? The company aims to create an individual “digital memory” capable of representing knowledge, experiences, and reasoning processes, which can be accessed by other individuals or AI systems with the user’s authorization.