McpToolCall

This docs was updated at: 2026-02-23

com.paragon.responses.spec.McpToolCall  ·  Class

Extends ToolCall  ·  Implements Item, ResponseOutput

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An invocation of a tool on an MCP server.

Methods

McpToolCall

public McpToolCall(
      @NonNull String arguments,
      @NonNull String id,
      @NonNull String name,
      @NonNull String serverLabel,
      @Nullable String approvalRequestId,
      @Nullable String error,
      @Nullable String output,
      @Nullable McpToolCallStatus status)

@param arguments A JSON string of the arguments passed to the tool.

Parameters

Name	Description
id	The unique ID of the tool call.
name	The name of the tool that was run.
serverLabel	The label of the MCP server running the tool.
approvalRequestId	Unique identifier for the MCP tool call approval request. Include this value in a subsequent mcp_approval_response input to approve or reject the corresponding tool call.
error	The error from the tool call, if any.
output	The output from the tool call.
status	The status of the tool call. One of in_progress, completed, incomplete, calling, or failed.