Financial analysis of Czech companies based on their public financial statements and any information available online.
Jan Faller
Web applications, data, and practical AI.
I design and build applications that connect the web, data, and automation. Here you will find my projects, technical notes, and experience.
Selected work
A website that helps find the European resorts with the best chance of fresh powder.
A public MCP server that connects AI agents to Czech company registries and filed financial statements — with no extra key to a model API.
Blog
A production case study: an email agent, several RAG collections, FAPI, Stripe, MioWeb and MCP servers over a single continuously updated data layer.
What I learned building an email AI agent about model calls, RAG, prompt caching, evaluations, dead ends, and reliable operation.
The site is built in Next.js and includes a public part and an LMS platform with courses in the members' section.
About snapshot
Web applications, data, and practical AI.