AI agents for JavaScript developers
Posts on building AI agents with JavaScript: tool calling, the agent loop, RAG and interview questions, each with working code and links to the free lessons.
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How to learn AI agents as a JavaScript developer: a 4-week plan
A 4-week plan for JavaScript developers: LLM calls, tool calling, the agent loop, RAG, LangGraph and production, 20 minutes a day with free lessons.
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- AI agents
Tool calling in JavaScript, explained with one example
How an LLM asks your JavaScript code to run a function: the tool schema, the tool_calls reply, parsing arguments, sending the result back and the second call.
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- AI agents
The agent loop: how an AI agent decides, acts and checks
An AI agent is a model in a loop with tools. See the loop in 20 lines of JavaScript, how it stops, and when a plain workflow is the better choice.
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- AI agents
RAG in JavaScript, from embeddings to answers
Retrieval-augmented generation in JavaScript: chunk your docs, embed them, search by meaning with pgvector, then make the model answer only from what it found.
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- AI agents
AI engineer interview questions for JavaScript developers, and how to practise them
Twelve questions interviewers ask about agents, tool calling, RAG, evals and safety, what a strong answer covers, and how to practise saying it in 60 seconds.
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