Support new MCP feature: structured content

[eugenone]

These feature appears in the latest MCP specification:
https://github.com/modelcontextprotocol/modelcontextprotocol/tree/main/docs/specification/2025-06-18

[alex210501]

+1, definitely needed to see the output schema of our MCP server

[olaservo]

Structured Content support for Tools was added at the end of May, assuming this is what you are referring to? https://modelcontextprotocol.io/specification/2025-06-18/server/tools#structured-content

[alex210501]

Happy to work on this one if no-one is assigned yet 😊