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fix(tasks): expose execution.taskSupport on tools (#635)

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* fix(tasks): expose execution.taskSupport on tools

* feat: implement taskSupport validation on server
This commit is contained in:
Luca Chang 2026-02-03 16:17:36 -08:00 • committed by GitHub
commit df6c3f0665
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2 changed files with 539 additions and 2 deletions
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48
crates/rmcp/tests/test_message_schema/server_json_rpc_message_schema.json
View file

@ -2731,6 +2731,26 @@
}
]
},
"TaskSupport": {
"description": "Per-tool task support mode as defined in the MCP specification.\n\nThis enum indicates whether a tool supports task-based invocation,\nallowing clients to know how to properly call the tool.\n\nSee [Tool-Level Negotiation](https://modelcontextprotocol.io/specification/2025-11-25/basic/utilities/tasks#tool-level-negotiation).",
"oneOf": [
{
"description": "Clients MUST NOT invoke this tool as a task (default behavior).",
"type": "string",
"const": "forbidden"
},
{
"description": "Clients MAY invoke this tool as either a task or a normal call.",
"type": "string",
"const": "optional"
},
{
"description": "Clients MUST invoke this tool as a task.",
"type": "string",
"const": "required"
}
]
},
"TasksCapability": {
"description": "Task capabilities shared by client and server.",
"type": "object",
@ -2896,6 +2916,17 @@
"null"
]
},
"execution": {
"description": "Execution-related configuration including task support mode.",
"anyOf": [
{
"$ref": "#/definitions/ToolExecution"
},
{
"type": "null"
}
]
},
"icons": {
"description": "Optional list of icons for the tool",
"type": [
@ -2977,6 +3008,23 @@
}
}
},
"ToolExecution": {
"description": "Execution-related configuration for a tool.\n\nThis struct contains settings that control how a tool should be executed,\nincluding task support configuration.",
"type": "object",
"properties": {
"taskSupport": {
"description": "Indicates whether this tool supports task-based invocation.\n\nWhen not present or set to `Forbidden`, clients MUST NOT invoke this tool as a task.\nWhen set to `Optional`, clients MAY invoke this tool as a task or normal call.\nWhen set to `Required`, clients MUST invoke this tool as a task.",
"anyOf": [
{
"$ref": "#/definitions/TaskSupport"
},
{
"type": "null"
}
]
}
}
},
"ToolListChangedNotificationMethod": {
"type": "string",
"format": "const",

48
crates/rmcp/tests/test_message_schema/server_json_rpc_message_schema_current.json
View file

@ -2731,6 +2731,26 @@
}
]
},
"TaskSupport": {
"description": "Per-tool task support mode as defined in the MCP specification.\n\nThis enum indicates whether a tool supports task-based invocation,\nallowing clients to know how to properly call the tool.\n\nSee [Tool-Level Negotiation](https://modelcontextprotocol.io/specification/2025-11-25/basic/utilities/tasks#tool-level-negotiation).",
"oneOf": [
{
"description": "Clients MUST NOT invoke this tool as a task (default behavior).",
"type": "string",
"const": "forbidden"
},
{
"description": "Clients MAY invoke this tool as either a task or a normal call.",
"type": "string",
"const": "optional"
},
{
"description": "Clients MUST invoke this tool as a task.",
"type": "string",
"const": "required"
}
]
},
"TasksCapability": {
"description": "Task capabilities shared by client and server.",
"type": "object",
@ -2896,6 +2916,17 @@
"null"
]
},
"execution": {
"description": "Execution-related configuration including task support mode.",
"anyOf": [
{
"$ref": "#/definitions/ToolExecution"
},
{
"type": "null"
}
]
},
"icons": {
"description": "Optional list of icons for the tool",
"type": [
@ -2977,6 +3008,23 @@
}
}
},
"ToolExecution": {
"description": "Execution-related configuration for a tool.\n\nThis struct contains settings that control how a tool should be executed,\nincluding task support configuration.",
"type": "object",
"properties": {
"taskSupport": {
"description": "Indicates whether this tool supports task-based invocation.\n\nWhen not present or set to `Forbidden`, clients MUST NOT invoke this tool as a task.\nWhen set to `Optional`, clients MAY invoke this tool as a task or normal call.\nWhen set to `Required`, clients MUST invoke this tool as a task.",
"anyOf": [
{
"$ref": "#/definitions/TaskSupport"
},
{
"type": "null"
}
]
}
}
},
"ToolListChangedNotificationMethod": {
"type": "string",
"format": "const",