Tool call
- A tool call is a request from an MCP client asking a server to run a named tool with given arguments.
In short: A tool call is a request from an MCP client asking a server to run a named tool with given arguments. It is the unit every gateway on this site scores against. This entry uses the term the way our gateway datasheets do, and links related terms below.
Related terms
By The Datasheet desk · Reviewed 2026-11-03