Merge pull request modelcontextprotocol#1968 from jonathanhefner/add-icons-to-data-types-sections

Add icons property to Data Types sections in specification docs

Author: jonathanhefner

docs/specification/2025-11-25/server/prompts.mdx

@@ -184,6 +184,7 @@ A prompt definition includes:
 - `name`: Unique identifier for the prompt
 - `title`: Optional human-readable name of the prompt for display purposes.
 - `description`: Optional human-readable description
+- `icons`: Optional array of icons for display in user interfaces
 - `arguments`: Optional list of arguments for customization
 
 ### PromptMessage

docs/specification/2025-11-25/server/resources.mdx

@@ -289,6 +289,7 @@ A resource definition includes:
 - `name`: The name of the resource.
 - `title`: Optional human-readable name of the resource for display purposes.
 - `description`: Optional description
+- `icons`: Optional array of icons for display in user interfaces
 - `mimeType`: Optional MIME type
 - `size`: Optional size in bytes
 

docs/specification/2025-11-25/server/tools.mdx

@@ -193,6 +193,7 @@ A tool definition includes:
 - `name`: Unique identifier for the tool
 - `title`: Optional human-readable name of the tool for display purposes.
 - `description`: Human-readable description of functionality
+- `icons`: Optional array of icons for display in user interfaces
 - `inputSchema`: JSON Schema defining expected parameters
   - Follows the [JSON Schema usage guidelines](/specification/2025-11-25/basic#json-schema-usage)
   - Defaults to 2020-12 if no `$schema` field is present

docs/specification/draft/server/prompts.mdx

@@ -184,6 +184,7 @@ A prompt definition includes:
 - `name`: Unique identifier for the prompt
 - `title`: Optional human-readable name of the prompt for display purposes.
 - `description`: Optional human-readable description
+- `icons`: Optional array of icons for display in user interfaces
 - `arguments`: Optional list of arguments for customization
 
 ### PromptMessage

docs/specification/draft/server/resources.mdx

@@ -289,6 +289,7 @@ A resource definition includes:
 - `name`: The name of the resource.
 - `title`: Optional human-readable name of the resource for display purposes.
 - `description`: Optional description
+- `icons`: Optional array of icons for display in user interfaces
 - `mimeType`: Optional MIME type
 - `size`: Optional size in bytes
 

docs/specification/draft/server/tools.mdx

@@ -193,6 +193,7 @@ A tool definition includes:
 - `name`: Unique identifier for the tool
 - `title`: Optional human-readable name of the tool for display purposes.
 - `description`: Human-readable description of functionality
+- `icons`: Optional array of icons for display in user interfaces
 - `inputSchema`: JSON Schema defining expected parameters
   - Follows the [JSON Schema usage guidelines](/specification/draft/basic#json-schema-usage)
   - Defaults to 2020-12 if no `$schema` field is present