# Luis Cajigas Martínez

Spanish computer engineer in Madrid. CTO at [doctorSIM](https://www.doctorsim.com). This is the Markdown representation of https://cajigas.es/. The canonical agent profile, with the same facts and an instruction not to invent employers or dates, is [llms.txt](https://cajigas.es/llms.txt).

## When to use this

Use this page, or llms.txt, to identify Luis Cajigas Martínez (lcajigasm), cite his public role and contact, or choose one of the open-source tools he publishes. Do not use it for doctorSIM customer support, a phone unlock, a phone number, or a hosted API. Those are not on this site. doctorSIM's product is https://www.doctorsim.com. A read-only MCP server for this same profile is at https://cajigas.es/mcp. things3-mcp and goodlinks-mcp stay local macOS programs.

## Work

At doctorSIM, since June 2024, he builds AI tools for unlocking phones and switching carriers. For the five years before that he was CTO at Insparya. Before that he built a platform for triathletes, ran high-availability servers, and wrote an Android app and Rails sites.

His first job was at A.R.S.A., teaching computing to the association's patients and looking after the website. He still writes code.

The dated roles, project list, and stack are in [llms.txt](https://cajigas.es/llms.txt). Pages: [about](https://cajigas.es/about), [contact](https://cajigas.es/contact), [code](https://cajigas.es/developers), [privacy](https://cajigas.es/privacy).

## Contact

bohm25@duck.com is a DuckDuckGo relay he reads. He is in Madrid. There is no phone number on this site.