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feat: Added optional title field to resource, tool, prompt #349

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@YunKuiLu YunKuiLu commented Jun 28, 2025

  • Added optional title field to resource, tool, prompt
  • Use builder pattern for easier field addition in the future

Motivation and Context

The following MCP spec PR adds a human-readable title field, and it needs to be implemented in the java-sdk.
modelcontextprotocol/modelcontextprotocol#663

PR #343 added a title to McpSchema.Implementation, so in this PR, I didn't make changes to this class.

How Has This Been Tested?

used unit test

Breaking Changes

The field is optional.

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

YunKuiLu added 4 commits June 28, 2025 18:17
Signed-off-by: YunKui Lu <luyunkui95@gmail.com>
- Added unit tests

Signed-off-by: YunKui Lu <luyunkui95@gmail.com>
- add backwards-compatibility for Tool

Signed-off-by: YunKui Lu <luyunkui95@gmail.com>
Signed-off-by: YunKui Lu <luyunkui95@gmail.com>
@YunKuiLu YunKuiLu marked this pull request as ready for review June 28, 2025 11:40
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