Jun 21, 2026 · Shingo Nakamura · AI
pi is a tiny, aggressively-extensible terminal coding harness. What it is, how to install and use it, how it compares to opencode and Claude Code, and what the benchmarks actually say.
coding-agentclillmagents
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Jun 2, 2026 · Shingo Nakamura · AI
A plain-English explainer of the AI harness — the code around a model that lets it use tools, take steps, and get work done. What it is, why it matters, how it works, and the two senses of the word (agent harness vs evaluation harness).
harnessagentsllmtool-use
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