fix: upgrade fastmcp to v3.24.0

[Masashi-Lateolabrax]

Fixes the "Server does not support completions" error (#15).

Problem

The server was using fastmcp v1.27.3, which does not declare the completions capability required by recent versions of Claude Code and Cursor.

Solution

Upgraded fastmcp from v1.27.3 to v3.24.0.

FastMCP v3.23.1 (released 2025-11-17) added support for the completions capability, resolving compatibility issues with Claude Code and Cursor.

Type of Change

• Bug fix
• New feature
• Documentation update
• Performance improvement
• Code refactoring

Testing

• Built successfully (npm run build)
• Tested with MCP inspector (npm run inspect)
• All 10 MCP tools tested and verified working:
• No breaking changes

References

• FastMCP v3.23.1 release: https://github.com/punkpeye/fastmcp/releases/tag/v3.23.1
• PR #209 (completions capability): fix: add completions capability for Cursor compatibility fix: add completions capability for Cursor compatibility punkpeye/fastmcp#209
• Related issues:
  • bug: MCP server fails to start with Taskmaster on Claude Code bug: MCP server fails to start with Taskmaster on Claude Code eyaltoledano/claude-task-master#1404 (Claude Code)
  • bug: [ERROR] Failed to start MCP server: Server does not support completions (required for completion/complete) bug: [ERROR] Failed to start MCP server: Server does not support completions (required for completion/complete) eyaltoledano/claude-task-master#1405 (Claude Code)
  • bug: Failed to start MCP server: Server does not support completions (required for completion/complete) bug: Failed to start MCP server: Server does not support completions (required for completion/complete) eyaltoledano/claude-task-master#1413 (Cursor)

Closes #15

[andrea9293]

Thanks a lot for contributing 😻

[github-actions]

🎉 This PR is included in version 1.11.2 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

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