Function resource_definition 

pub fn resource_definition(
    uri: impl Into<String>,
    name: impl Into<String>,
    title: Option<String>,
    description: Option<String>,
    mime_type: Option<String>,
) -> Result<ResourceDefinition, McpToolError>

Build and validate a concrete MCP resource definition.

Errors

Returns McpToolError when the resource URI, name, title, description, or MIME type is invalid.