Founder of a listed tool
William Bryk
Co-founder, Exa, named behind the Exa API + MCP listing on Anchor Terminal.
What William builds
Exa API + MCP B · Web search APIs
Exa's REST API over its own web index, with the official MCP server in front of it.
Co-founder, Exa, researched 26 October 2026 · the people behind it
Works with
- Jeffrey Wang Co-founder, Exa
Backed by
Y Combinator Lightspeed Venture Partners NVIDIA Benchmark Andreessen Horowitz
Questions
Who is William Bryk?
William Bryk is co-founder and CEO of Exa, a web search API built for LLMs that went through Y Combinator's Summer 2021 batch. Bryk studied computer science and physics at Harvard, doing machine learning research there, and was a software engineer at the ML startup Cresta before starting Exa.
What does Exa make?
Anchor Terminal lists Exa API + MCP from Exa. Exa's REST API over its own web index, with the official MCP server in front of it.
Who has invested in Exa?
The sources our research read name Y Combinator, Lightspeed Venture Partners, NVIDIA, Benchmark and Andreessen Horowitz.
How are William's tools graded?
Exa API + MCP is graded B, 66.1 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist.
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.