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What is an agent harness? Explained fast

LangChain · Sep 11, 2026 · Product Launches

LangChain introduces Deep Agents, an advanced agent harness for AI.

“Deep agents is our opinionated open source harness with the file system, sub agents, and memory already wired in.”

LangChain has unveiled its new product, Deep Agents, which combines a file system, sub agents, and memory to enhance AI model functionality. This framework aims to simplify the process of building powerful AI agents by providing foundational tools to manage context and capabilities efficiently.

agent_harness LangChain AI

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