bhosmer-ant

RFC: add `Tool.outputSchema` and `CallToolResult.structuredContent`

10

Adds support for strict validation of structured tool results. * A `Tool` can now optionally provide an `outputSchema` property, containing a JSON schema that defines the structure of its output....

add ResourceReference to CallToolResult

5

Enables tool calls to return `ResourceReference`s (in addition to full `EmbeddedResource`s) as results. Docs not yet updated. ## Motivation and Context Returning results by reference enables interaction flows where returning...

Adds local numbering at the section level (Architecture, ...). [staged](https://mcp-staging-basil-local_numbering.mintlify.app/specification/draft)

PR for SEP #1359 Spec language to come.

## Summary Claude Code currently uses `ToolAnnotations` from MCP tools (e.g., `readOnlyHint`, `destructiveHint`, `openWorldHint`, `title`), but does not process the separate `Annotations` schema that applies to Resources, Resource Templates, and...

## Summary Users want to allow MCP tools with specific parameter constraints. For example: - Allow `mcp__slack__send_message` but only to specific channels - Allow `mcp__github__create_issue` but only in certain repos...