Context engineering in deep agents: the four levers
A deep agent's ceiling is its context window. The harness ships four separate levers, and knowing which one is working decides whether a long run finishes.
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Deep agents in production: what the harness gives you, and what you still own
LangChain's deepagents harness ships planning, subagents, and a filesystem out of the box. Production still asks you to own the human gate, the evals, and the cost.
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How we halved Claude Code token usage with RTK AI, an open source CLI proxy
We routed our coding agents' shell commands through RTK AI, an open source CLI proxy. Verified result: 49.6% of tokens saved across 1,457 commands.
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Stop asking the LLM how confident it is
Self-reported LLM confidence is miscalibrated and clusters near certainty. Gate on a signal you can measure, then escalate the exceptions to a person.
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Coding is no longer the bottleneck
AI made writing code cheap. Architecture, verification, security, and quality are the new constraints, and that is where the real work moved.
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