Minimalist AI Agent Harness Built in 62 Lines of Bash

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A DEV Community tutorial shows how to construct a minimal AI agent harness using only a Bash script. It starts with a single curl call to an LLM through OpenRouter, parsing the JSON response with jq. The author then explains that LLM calls are stateless, so a harness must supply conversation history. The next step turns the call into a chatbot by storing messages in a shell variable and looping over user input. The full source code is published on GitHub, with plans for later steps that add tool use for building a coding agent.

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