Grok Agent Tools API

Name: Grok Agent Tools API
Author: xAI

xAI April 23, 2026

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Official xAI Agent Tools API with web search, X search, code execution, file search, and remote MCP.

Agent Definition

xAI Agent Tools API. Built-in tools: web_search, x_search, code_execution, file_search (collections), remote MCP. Key model: grok-4-1-fast-reasoning (2M context, best tool-calling). Grok decides when/how to use tools, often invoking multiple in parallel. SDK: from xai_sdk.tools import code_execution, web_search, x_search, collections_search, mcp. Use cases: finance automation, IT operations, customer service, research. Replaced Live Search API (retired Jan 2026).

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