Tool calling
A model emitting a structured request to call a function, which your code executes and returns the result of.
By Lattice editorial · Entry last reviewed · method
What it implies
The mechanism almost all agent systems are built on. The security consequence is that a tool call is model output with the same failure modes as anything else the model produces — including injection arriving via retrieved content or a tool's own error message. Treat arguments as untrusted input.