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Funding, founders, and the companies rewriting industry rules.
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Terrafold stores electricity as heat in crushed rock and releases it as industrial process steam, targeting factories that cannot electrify their boilers directly.
Marrowbone issues scoped, revocable payment credentials to autonomous agents with a policy engine that approves or blocks each purchase. Three enterprise customers are running it in production.
Cellframe builds scheduling and error recovery software for robotic biology labs, the layer that makes automated experiments actually finish. Lux Capital led the round.
Loopwright generates end-to-end tests from production session recordings rather than from specifications, and claims to catch a class of bug that conventional suites miss entirely.
Hanul builds co-packaged optics for AI accelerator clusters and says its links cut energy per bit by more than half. SK Hynix and Lightspeed co-led the round.
Voltaire Grid places containerized storage at distribution substations rather than at generation sites, and has signed contracts with two French DSOs covering 340 megawatt-hours.
Rungate routes transactions across multiple payment processors to optimize authorization rates. Stripe buying a company built to reduce dependence on any single processor is the interesting part.
Falkenlab's pitch is that a picking robot should learn a new warehouse in a day rather than a quarter. Lightspeed led an $88 million round on the strength of deployments at three European grocers.
Nearly a fifth of the Y Combinator summer batch pitched tooling for autonomous agents, a concentration that has investors talking about a category with too many entrants and unclear buyers.
