TL;DR: Silmaril is a Y Combinator Spring 2026 startup Runtime security for AI that self-improves, currently active with a team of 2.
Runtime security for AI that self-improves
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Silmaril is the first runtime security for AI that self-improves. It understands application context to block 2x as many threats as current SOTA defenses with 10x lower latency. Customers plug us into agentic frameworks like LangGraph with 5 lines of code. Silmaril has stopped $28M of damages for customers.
Yes. Silmaril was funded by Y Combinator in the Spring 2026 batch. Runtime security for AI that self-improves
Silmaril is the first runtime security for AI that self-improves. It understands application context to block 2x as many threats as current SOTA defenses with 10x lower latency. Customers plug us into agentic frameworks like LangGraph with 5 lines of code. Silmaril has stopped $28M of damages for customers.
Silmaril was part of Y Combinator's Spring 2026 batch.
Silmaril has a team of 2 people according to Y Combinator's directory.
Silmaril is currently listed as Active with a team of 2 in Y Combinator's directory.
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