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Add INFO-level logging to both the stateful SHTTP handler and the stateless example-apps handler to show the full client capabilities sent during MCP initialization, including any extensions like io.modelcontextprotocol/ui.

This helps verify that clients are correctly sending UI extension capabilities during the initialization handshake.

Motivation and Context

How Has This Been Tested?

Breaking Changes

Types of changes

  • Bug fix (non-breaking change which fixes an issue)
  • New feature (non-breaking change which adds functionality)
  • Breaking change (fix or feature that would cause existing functionality to change)
  • Documentation update

Checklist

  • I have read the MCP Documentation
  • My code follows the repository's style guidelines
  • New and existing tests pass locally
  • I have added appropriate error handling
  • I have added or updated documentation as needed

Additional context

Add INFO-level logging to both the stateful SHTTP handler and the
stateless example-apps handler to show the full client capabilities
sent during MCP initialization, including any extensions like
io.modelcontextprotocol/ui.

This helps verify that clients are correctly sending UI extension
capabilities during the initialization handshake.
@jerome3o-anthropic jerome3o-anthropic merged commit 117601e into main Jan 26, 2026
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2 participants