tech
February 5, 2026
Xcode 26.3 adds support for Claude, Codex, and other agentic tools via MCP
With Model Context Protocol (MCP), this works with more than Codex/Claude, too.

TL;DR
- Xcode 26.3 includes full support for agentic coding tools.
- AI agents can be assigned tasks via a side panel interface.
- The Model Context Protocol (MCP) enables AI agents to work with external tools and IDE features.
- Xcode acts as an MCP endpoint, providing AI tools access to IDE primitives.
- This version offers deeper integration of AI tools compared to previous releases.
- The update allows for connecting other MCP-supporting tooling, including locally run models.
- Previous versions had limited agent-like behavior and IDE access.
- Xcode 26.3 release candidate is available soon, with the final release following.
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