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feat: add theme field to Icon type for light/dark mode support (#1978)

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Guillaume FORTAINE 2026-02-03 09:20:37 +01:00 • committed by GitHub
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2
src/mcp/types/__init__.py
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@ -70,6 +70,7 @@ from mcp.types._types import (
GetTaskRequestParams, GetTaskRequestParams,
GetTaskResult, GetTaskResult,
Icon, Icon,
IconTheme,
ImageContent, ImageContent,
Implementation, Implementation,
IncludeContext, IncludeContext,
@ -275,6 +276,7 @@ __all__ = [
"BlobResourceContents", "BlobResourceContents",
"EmbeddedResource", "EmbeddedResource",
"Icon", "Icon",
"IconTheme",
"ImageContent", "ImageContent",
"ResourceContents", "ResourceContents",
"ResourceLink", "ResourceLink",

11
src/mcp/types/_types.py
View file

@ -28,6 +28,8 @@ https://modelcontextprotocol.io/specification/2025-11-25/basic/transports#protoc
ProgressToken = str | int ProgressToken = str | int
Role = Literal["user", "assistant"] Role = Literal["user", "assistant"]
IconTheme = Literal["light", "dark"]
TaskExecutionMode = Literal["forbidden", "optional", "required"] TaskExecutionMode = Literal["forbidden", "optional", "required"]
TASK_FORBIDDEN: Final[Literal["forbidden"]] = "forbidden" TASK_FORBIDDEN: Final[Literal["forbidden"]] = "forbidden"
TASK_OPTIONAL: Final[Literal["optional"]] = "optional" TASK_OPTIONAL: Final[Literal["optional"]] = "optional"
@ -170,6 +172,15 @@ class Icon(MCPModel):
sizes: list[str] | None = None sizes: list[str] | None = None
"""Optional list of strings specifying icon dimensions (e.g., ["48x48", "96x96"]).""" """Optional list of strings specifying icon dimensions (e.g., ["48x48", "96x96"])."""
theme: IconTheme | None = None
"""Optional theme specifier.
`"light"` indicates the icon is designed for a light background, `"dark"` indicates the icon
is designed for a dark background.
See https://modelcontextprotocol.io/specification/2025-11-25/schema#icon for more details.
"""
class Implementation(BaseMetadata): class Implementation(BaseMetadata):
"""Describes the name and version of an MCP implementation.""" """Describes the name and version of an MCP implementation."""