Keystroke
startupThe company behind the agent-native automation platform Keystroke
Keystroke is the operating brand of Sprint Labs, Inc., a Y Combinator Winter 2024 startup headquartered in Salt Lake City, Utah. Founded in 2023 as Buster, an AI analytics company, the four-person team led by Blake Rouse (CEO) and Dallin Bentley pivoted and launched Keystroke in July 2026: a code-first workflow automation platform built for AI coding agents. The company announced $2.4 million in funding in April 2025, under the Buster brand, from Y Combinator, General Catalyst, General Advance, and angel investors.
About Keystroke
Sprint Labs, Inc., doing business as Keystroke, is the company behind the Keystroke automation platform. The founders started in Y Combinator's Winter 2024 batch with Buster, an open-source AI product for analytics and data teams, and built their internal operations on tools such as n8n, Gumloop, and Trigger.dev. Their stated reason for the pivot is the maintenance experience of visual automation tools: fast to start with, hard to test, review, and debug as systems grow.
Keystroke, published on July 13, 2026, is the company's answer: workflow automations and AI agents written as typed TypeScript in the customer's own repository, authored primarily by coding agents such as Claude Code, Cursor, and Codex, and deployed to a managed cloud or self-hosted under the source-available Elastic License 2.0. As of July 2026 the company lists a team of four and operates from Salt Lake City, Utah (per its Y Combinator profile).