# Marc Leuthardt

> Marc Leuthardt is co-founder. ObsessionDB on Anchor Terminal, with grades, an about and public profiles.

- Canonical: https://www.anchorterminal.com/people/marc-leuthardt/
- Markdown: https://www.anchorterminal.com/people/marc-leuthardt/index.md (~900 tokens)
- Slim: https://www.anchorterminal.com/people/marc-leuthardt/index.min.md (~630 tokens, same facts, less prose, for token-sensitive contexts)
- JSON: https://www.anchorterminal.com/people/marc-leuthardt/index.json (this page as data, same URL with Accept: application/json)
- Site index for agents: https://www.anchorterminal.com/llms.txt (full text: https://www.anchorterminal.com/llms-full.txt)
- API: https://www.anchorterminal.com/api/v1/index.json
- MCP: https://www.anchorterminal.com/mcp (the whole catalogue as tools, no key)
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)
- Updated: 2026-10-28

Co-founder.

Marc Leuthardt co-founded ObsessionDB (YC Fall 2026). Leuthardt previously co-founded Numia, which scaled blockchain infrastructure across more than 100 blockchains, was co-founder and CTO of Frens, acquired by Swyke, and was co-founder and CTO of Lokalportal.

- LinkedIn: https://www.linkedin.com/in/marc-leuthardt
- X: https://x.com/marcmacmac

## What Marc builds

- [ObsessionDB](https://www.anchorterminal.com/tools/obsessiondb.md), graded E, 41.2/100, in Databases & files. ObsessionDB is a managed ClickHouse service that runs the ClickHouse engine on object storage with stateless compute. Agents reach it through a hosted MCP server with OAuth, or through any ClickHouse client over the native or HTTP protocol. Co-founder, researched 2026-10-27.

## Works with

- [Marc Höffl](https://www.anchorterminal.com/people/marc-hoffl/), Co-founder
- [Rafael Aviles](https://www.anchorterminal.com/people/rafael-aviles/), Co-founder and CEO

## Backed by

- [Y Combinator](https://www.anchorterminal.com/investors/y-combinator/)

## Questions

### Who is Marc Leuthardt?

Marc Leuthardt co-founded ObsessionDB (YC Fall 2026). Leuthardt previously co-founded Numia, which scaled blockchain infrastructure across more than 100 blockchains, was co-founder and CTO of Frens, acquired by Swyke, and was co-founder and CTO of Lokalportal.

### What does Kellerkind UG (haftungsbeschränkt) make?

Anchor Terminal lists ObsessionDB from Kellerkind UG (haftungsbeschränkt). ObsessionDB is a managed ClickHouse service that runs the ClickHouse engine on object storage with stateless compute. Agents reach it through a hosted MCP server with OAuth, or through any ClickHouse client over the native or HTTP protocol.

### Who has invested in Kellerkind UG (haftungsbeschränkt)?

The sources our research read name Y Combinator.

### How are Marc's tools graded?

ObsessionDB is graded E, 41.2 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist.

## Sources

- https://www.ycombinator.com/companies/obsessiondb
- https://www.ycombinator.com/founders/1006862-rafael-aviles
- https://www.linkedin.com/in/avilesco/
- https://x.com/avilesrafa
- https://www.ycombinator.com/founders/364520-marc-h%C3%B6ffl
- https://www.linkedin.com/in/marc-h%C3%B6ffl/
- https://www.ycombinator.com/founders/3960852-marc-leuthardt
- https://www.linkedin.com/in/marc-leuthardt
- https://x.com/marcmacmac
- https://obsessiondb.com
- https://obsessiondb.com/terms

These are the people building the tools we list, named for their public role in the company or project behind a listing, from public pages, with the date it was researched. They don't work for Anchor Terminal (our own team is on the about page, /about/#author). We show public roles, public profiles and what the listing pages show, nothing private. To correct something, send an about or a photo, or have a page removed, write to privacy@anchorterminal.com.

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