Xcode 27 beta 2 adds LLDB MCP server for debugging

Xcode 27 beta 2 appears to introduce a new MCP server for LLDB, dubbed lldb-mcp. A slide shared by developer Antoine v.d. SwiftLee shows it listed under Debugging’s new features. Details on how it behaves in practice are still unclear.

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Xcode
Xcode 27 beta 2 adds LLDB MCP server for debugging

TL;DR

  • Xcode 27 beta 2: Reported to include a new MCP for LLDB
  • LLDB MCP server: Slide notes “lldb-mcp” now ships with LLDB
  • Docs/examples: https://lldb.llvm.org/use/mcp.html

Antoine v.d. SwiftLee’s post on X suggests that Xcode 27 beta 2 "ships with a new MCP for LLDB," with the Apple developer noting that he was on holiday and wanted someone else to test it.

The attached slide, under the headings "Debugging" and "New Features," states that "LLDB now ships with an MCP server (lldb-mcp)" and points to examples on the LLDB site.

Source: X post

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