Enum ContentBlock 

pub enum ContentBlock {
    Text(TextContent),
    Image(ImageContent),
    Audio(AudioContent),
    ResourceLink(ResourceLink),
    Resource(EmbeddedResource),
    ToolUse(ToolUseContent),
    ToolResult(ToolResultContent),
}

Content block union type

• MCP 2025-11-25: text, image, audio, resource_link, resource
• MCP 2025-11-25 draft (SEP-1577): + tool_use, tool_result

Variants

Text(TextContent)

Text content

Image(ImageContent)

Image content

Audio(AudioContent)

Audio content

ResourceLink(ResourceLink)

Resource link

Resource(EmbeddedResource)

Embedded resource

ToolUse(ToolUseContent)

Tool use (MCP 2025-11-25 draft, SEP-1577)

ToolResult(ToolResultContent)

Tool result (MCP 2025-11-25 draft, SEP-1577)

Trait Implementations

impl Clone for ContentBlock

fn clone(&self) -> ContentBlock

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for ContentBlock

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for ContentBlock

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl From<Content> for ContentBlock

Convert core Content to protocol ContentBlock

fn from(content: Content) -> Self

Converts to this type from the input type.

impl Serialize for ContentBlock

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.