LLM Function Calling and Tool Use: Provider Mapping and Safe Execution
Function calling gives your application a structured proposal to run a tool. For a custom client-side function, your code decides whether to execute it and returns the result. The important production boundary is that decision, not whether the generated arguments look like valid JSON. This guide maps the protocols and supplies a small application-boundary example. Provider-hosted tools have different execution responsibilities; do not treat every tool as a local Python callback. ...