Founder of a listed tool
Thomas Steinacher
Co-founder and Principal Engineer, R&D, named behind the Close API + MCP listing on Anchor Terminal.
What Thomas builds
Close API + MCP B · CRM & customer platforms
REST API and hosted MCP server for Close, a sales CRM built around calling, email and SMS.
Co-founder and Principal Engineer, R&D, researched 27 October 2026 · the people behind it
Works with
- Anthony Nemitz Co-founder; Member of Technical Staff per LinkedIn
- Phil Freo VP Product & Engineering
- Steli Efti Co-founder and CEO
Backed by
Michael Birch SV Angel Spark Capital David Tisch
Questions
Who is Thomas Steinacher?
Thomas Steinacher is co-founder and principal engineer at Close, where he leads R&D. He was the technical co-founder who turned the internal sales tool built at ElasticSales into Close, writing much of the original product, and has contributed to open-source projects such as Flask-MongoRest and quotequail.
What does Close make?
Anchor Terminal lists Close API + MCP from Close. REST API and hosted MCP server for Close, a sales CRM built around calling, email and SMS.
Who has invested in Close?
The sources our research read name Michael Birch, SV Angel, Spark Capital and David Tisch.
How are Thomas's tools graded?
Close API + MCP is graded B, 66.8 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist.
Sources (13)
- https://www.close.com/about
- https://www.linkedin.com/in/steliefti/details/experience/
- https://www.linkedin.com/in/steliefti/
- https://x.com/Steli
- https://www.linkedin.com/in/anthonynemitz/details/experience/
- https://www.linkedin.com/in/anthonynemitz/
- https://close.com/author/thomas-steinacher
- https://www.linkedin.com/in/philfreo/details/experience/
- https://www.linkedin.com/in/philfreo/
- https://www.ycombinator.com/companies/close
- https://help.close.com/welcome-to-close-help
- https://close.com/
- https://help.close.com/
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