
Tool Use AI
Quick definition
The ability of AI models to call external tools, APIs and functions to retrieve information, execute actions and interact with external systems.
Detailed explanation

Tool use (also: function calling, tool calling) is a fundamental capability of modern AI agents. It allows an LLM to not only generate text, but also actively call external systems: send an email, update a CRM record, fetch a webpage, query a database, or perform a calculation.
Synonyms
Examples
An AI sales agent uses tool use to search for new prospects via LinkedIn API, send an email via the email API, and log the result via HubSpot API.
When to use this?
Tool use is essential for any AI agent that needs to act in the real world. Without tool use, an LLM is just a language model; with tool use, it becomes an active agent.
Match-day approach
Match-AI's agents are equipped with a rich set of B2B-specific tools: LinkedIn, email, HubSpot, Salesforce, Pipedrive, web search, and more.

Related terms
AI Agent
An AI agent is an autonomous software program that independently executes tasks, makes decisions, and communicates with external systems to achieve a specific goal.
Function Calling / Tool Use
Function calling enables AI models to invoke external tools, APIs, and functions as part of their reasoning, allowing them to not only generate text but also take actions.
Large Language Model (LLM)(LLM)
A Large Language Model (LLM) is a neural network trained on enormous amounts of text that understands, generates, and reasons with human language at a human level.
Learn more
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