Enum ToolTaskSupport

Namespace

ModelContextProtocol.Protocol

Assembly

ModelContextProtocol.Core.dll

Represents the level of task augmentation support for a tool.

[Experimental("MCPEXP001", UrlFormat = "https://github.com/modelcontextprotocol/csharp-sdk/blob/main/docs/list-of-diagnostics.md#mcpexp001")]
[JsonConverter(typeof(JsonStringEnumConverter<ToolTaskSupport>))]
public enum ToolTaskSupport

Fields

[JsonStringEnumMemberName("forbidden")] Forbidden = 0

Clients must not attempt to invoke the tool as a task.

This is the default behavior. Servers should return a -32601 (Method not found) error if a client attempts to invoke the tool as a task when this is set.

[JsonStringEnumMemberName("optional")] Optional = 1

Clients may invoke the tool as a task or as a normal request.

When this is set, clients can choose whether to use task augmentation based on their needs.

[JsonStringEnumMemberName("required")] Required = 2

Clients must invoke the tool as a task.

Servers must return a -32601 (Method not found) error if a client does not attempt to invoke the tool as a task when this is set.

Remarks

This enum defines how a tool interacts with the task augmentation system:

• Forbidden: Task augmentation is not allowed (default)
• Optional: Task augmentation is supported but not required
• Required: Task augmentation is mandatory