Founder of a listed tool
Sergiy Korolov
CEO and co-founder, named behind the Mailtrap Email API + MCP listing on Anchor Terminal.
What Sergiy builds
Mailtrap Email API + MCP B · Email delivery APIs
Email platform from Railsware Products Studio LLC for transactional and bulk sending, inbound mail, templates, contacts and sandbox testing. Agents reach it through a REST API, SMTP, SDKs, a CLI and a local MCP server.
CEO and co-founder, researched 27 October 2026 · the people behind it
Questions
Who is Sergiy Korolov?
Sergiy Korolov is managing partner at Railsware, the product studio behind Mailtrap, Coupler.io and TitanApps. Railsware credits him with shaping its culture and product approach, and he has spoken on podcasts and in interviews about development culture, product-led growth and how Mailtrap reached seven-figure revenue.
What does Mailtrap (Railsware) make?
Anchor Terminal lists Mailtrap Email API + MCP from Mailtrap (Railsware). Email platform from Railsware Products Studio LLC for transactional and bulk sending, inbound mail, templates, contacts and sandbox testing. Agents reach it through a REST API, SMTP, SDKs, a CLI and a local MCP server.
How are Sergiy's tools graded?
Mailtrap Email API + MCP is graded B, 66.9 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist.
Sources (6)
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