#infrastructure

Radar · 2026-05-14

AgentMail gives AI agents their own email inbox as a first-class identity

AgentMail provides real email inbox infrastructure for AI agents: inbox creation, sending, receiving, threads, attachments, webhooks, WebSockets, search, custom domains and MCP integration. The company announced a 6M USD seed round led by General Catalyst with Y Combinator participation.

Radar · 2026-05-05

Subquadratic raises $29M for 12M-token context windows

Subquadratic has launched with $29 million in seed funding and introduced SubQ, a model built on a subquadratic architecture and sparse attention to push context windows as high as 12 million tokens. The promise is longer context, higher speed, better accuracy and lower cost. The proof still needs independent benchmarks.

Glossary

Agent infrastructure — the boring layer agents need to work

An agent is not just a model with a task. In production it needs identity, permissions, inboxes, tools, memory, audit, telemetry and clear boundaries. Without infrastructure, autonomy is just a pretty demo with risk attached.

Glossary

Koog and Kotlin AI agents — what it is and what it is for

Koog is JetBrains’ framework for building AI agents in Kotlin and Java. It focuses on practical architecture: strategies, tools, memory, tracing, long context and JVM production integration.