X launches hosted MCP server for AI tools

TechCrunch reported that X launched a hosted Model Context Protocol server for AI assistants and compatible developer tools. The service lets tools such as Claude, Cursor, and Grok Build communicate with the X API using a user's own account permissions, removing the need for developers to host their own MCP server. X said the hosted MCP does not support Write API endpoints, so it cannot be used for autonomous posting, and the company said its existing API rules still apply to spammy behavior.

Key details: X launched a hosted MCP server for AI-compatible tools, The server connects through user account permissions, X told TechCrunch the MCP does not provide Write API access.

Why it matters: Official MCP endpoints are turning major platforms into tool surfaces for agents, but X also shows why write permissions and spam controls are now part of AI integration design.