Slot: content

Structured content block of a message or result.

URI: mcp:content Alias: content

Applicable Classes

Name	Description	Modifies Slot
PromptMessage	Describes a message returned as part of a prompt	yes
SamplingMessage	Describes a message issued to or received from an LLM API	yes
ElicitResult	The result returned by the client for an elicitation/create request	yes
CreateMessageResult	The result returned by the client for a sampling/createMessage request	yes
ToolResultContent	The result of a tool use, provided by the user back to the assistant	yes
CallToolResult	The result returned by the server for a tools/call request	yes

Properties

Type and Range

Property	Value
Range	ContentBlock
Domain Of	ToolResultContent, PromptMessage, SamplingMessage, CallToolResult, CreateMessageResult, ElicitResult

Cardinality and Requirements

Property	Value

Identifier and Mapping Information

Schema Source

• from schema: https://w3id.org/lmodel/mcp

Mappings

Mapping Type	Mapped Value
self	mcp:content
native	mcp:content

LinkML Source

name: content
description: Structured content block of a message or result.
from_schema: https://w3id.org/lmodel/mcp
rank: 1000
alias: content
domain_of:
- ToolResultContent
- PromptMessage
- SamplingMessage
- CallToolResult
- CreateMessageResult
- ElicitResult
range: ContentBlock