Shane Thomas (@smthomas3) — Twitter Score 13 out of 1000

Shane Thomas is a technology entrepreneur who co-founded Mastra, an open-source TypeScript framework for building AI agents and production AI applications. Shane Thomas's Twitter Score is 13 out of 1000 as of September 2026, ranking #72,622 among 487,142 tracked accounts.

Shane Thomas co-founded Mastra, which is an active Y Combinator Winter 2025 company offering modular TypeScript primitives for agents, workflows, retrieval-augmented generation, and evaluations. Mastra announced a $13M seed round in October 2025, backed by more than 100 investors including Gradient Ventures, SV Angel, Runa Capital, and Orange Collective, among other venture funds. The company followed that with a $22M Series A led by Spark Capital in April 2026, bringing its stated total funding to $35M.

Shane Thomas previously worked at Gatsby in staff engineering and product roles, and formerly at Netlify, before turning his focus to AI infrastructure. He also previously built Audiofeed, an AI podcasting product. Shane Thomas is credited, per his official Mastra biography, with creating the first course delivered as an MCP server. He is also co-host of Agents Hour, a show focused on AI agents. Shane Thomas's account has published 5,786 posts and has been mentioned by 7 accounts a total of 9 times, reflecting consistent engagement within the AI builder community. Shane Thomas has 4,496 followers as of September 2026 on the platform.

Who follows Shane Thomas on X?

The accounts that follow Shane Thomas include 53 founders, 15 angel investors and 9 influencers, among them Marc Andreessen, Garry Tan, Frank, mikedemarais.eth, Nader Dabit and Andy.