MCP Xcode Tools Test Timeout Issue Report

Preflight Checklist

• [x] I have searched existing issues and this hasn't been reported yet
• [x] This is a single bug report (please file separate reports for different bugs)
• [x] I am using the latest version of Claude Code

What's Wrong?

The MCP Xcode Tools RunAllTests command consistently times out or returns "No result" when executing all 453 tests in the ForesightTests target, despite all tests passing successfully when:

• Run individually via MCP RunSomeTests
• Run in small groups via MCP RunSomeTests
• Run via xcodebuild command line
• Run via Xcode CMD-U interface

This appears to be a timeout or performance limitation in the MCP tool infrastructure, not an issue with the test suite itself.

What Should Happen?

The MCP Xcode Tools RunAllTests command should execute all 453 tests in the app tests target.

MCP_TEST_TIMEOUT_ISSUE_REPORT.md

Error Messages/Logs

Steps to Reproduce

Reproduction Steps

1. Create a test suite with 453+ tests across multiple test files
2. Execute via MCP tool:

``
RunAllTests action via mcp__xcode-tools__RunAllTests
``

1. Observe: Tool returns "No result" or times out
2. Compare: Same tests pass when run via:

``bash
xcodebuild test -scheme Foresight -destination 'platform=macOS'
``

Claude Model

Sonnet (default)

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

Sonnet 4.6 extended

Platform

Other

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

_No response_