How to build a Terminal Agent like Claude Code or Codex
summary
Live-codes a terminal AI agent using Node/TypeScript, the Anthropiс AI SDK and Ink for a text UI, implementing an AIService class that calls generateText with model, temperature and max tokens, handling API key injection explicitly. Shows wiring to a CLI with handleSubmit that appends messages and calls the service, debugs errors like missing API key and the prompt vs messages conflict, and ends with a working demo that returns a joke.
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chapters (5)
- 0:00Introduction
- 2:57AI service interface
- 17:22Integrating AI with terminal
- 27:08Testing and debugging
- 33:53Q&A
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