Samuel Fajreldines • 7/18/2025

Mastering Langchainjs to Coordinate Tool and Function Calls Using AI Agents

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This technical article explores Langchainjs, a JavaScript/TypeScript framework for building AI agents. It explains the chain-of-thought concept for structured reasoning and demonstrates how Langchainjs coordinates tool usage, function calls, and memory management to create sophisticated AI-driven applications, illustrated with a fitness app code sample.

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#JavaScript #AI Agents #Function Calling
Mastering Langchainjs to Coordinate Tool and Function Calls Using AI Agents

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