Founder of a listed tool

Kurt Ruppel

Co-founder, Middesk, Inc., named behind the Middesk listing on Anchor Terminal.

Kurt Ruppel

Co-founder, Middesk, Inc.

Kurt Ruppel is co-founder and CTO of Middesk, a business identity platform for verifying and monitoring businesses, from Y Combinator's Winter 2019 batch. His YC profile lists earlier roles at Checkr and Zendesk.

What Kurt builds

  • Middesk C · Identity & business verification

    Business verification API from Middesk in San Francisco. It checks US and international businesses against registry, tax ID, sanctions and watchlist records, monitors them for changes, and files liens and state tax registrations, over REST and a hosted MCP server.

    Co-founder, Middesk, Inc., researched 26 October 2026 · the people behind it

Works with

Questions

Who is Kurt Ruppel?

Kurt Ruppel is co-founder and CTO of Middesk, a business identity platform for verifying and monitoring businesses, from Y Combinator's Winter 2019 batch. His YC profile lists earlier roles at Checkr and Zendesk.

What does Middesk, Inc. make?

Anchor Terminal lists Middesk from Middesk, Inc.. Business verification API from Middesk in San Francisco. It checks US and international businesses against registry, tax ID, sanctions and watchlist records, monitors them for changes, and files liens and state tax registrations, over REST and a hosted MCP server.

How are Kurt's tools graded?

Middesk is graded C, 59.1 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist.

Sources (3)

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). 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.

For companies

Do agents find, use and choose your tools?

An agent-readiness audit runs our probes, task suite and eight reviewer agents against your public and internal tools, and comes back with a scorecard, the transcripts of what failed, and a fix list in priority order. From $2,500, re-run included. We never take payment to move a rank. We do help companies earn one.