5cac9229cf
- schema.ts: Import core MCP types from @modelcontextprotocol/sdk/types.js instead of inline stubs - schema.json: Use remote \ URIs pointing to core MCP schema at https://raw.githubusercontent.com/modelcontextprotocol/modelcontextprotocol/ main/schema/2025-11-25/schema.json - Add package.json with SDK and TypeScript as devDependencies - Add .gitignore for node_modules - Add skipLibCheck to tsconfig.json - Add index signature to TaskStatusNotificationParams for SDK type compat Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
374 lines
13 KiB
JSON
374 lines
13 KiB
JSON
{
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"$schema": "http://json-schema.org/draft-07/schema#",
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"description": "MCP Tasks Extension Schema. Contains only task-related definitions from the MCP 2025-11-25 specification. Core MCP types are referenced via remote $ref pointing to the 2025-11-25 core schema.",
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"$comment": "Extension Identifier: io.modelcontextprotocol/tasks. Core schema: https://github.com/modelcontextprotocol/modelcontextprotocol/tree/2025-11-25/schema/2025-11-25",
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"$defs": {
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"TaskStatus": {
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"description": "The status of a task.",
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"enum": ["cancelled", "completed", "failed", "input_required", "working"],
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"type": "string"
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},
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"TaskMetadata": {
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"description": "Metadata for augmenting a request with task execution.\nInclude this in the `task` field of the request parameters.",
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"properties": {
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"ttl": {
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"description": "Requested duration in milliseconds to retain task from creation.",
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"type": "integer"
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}
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},
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"type": "object"
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},
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"RelatedTaskMetadata": {
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"description": "Metadata for associating messages with a task.\nInclude this in the `_meta` field under the key `io.modelcontextprotocol/related-task`.",
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"properties": {
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"taskId": {
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"description": "The task identifier this message is associated with.",
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"type": "string"
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}
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},
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"required": ["taskId"],
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"type": "object"
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},
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"Task": {
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"description": "Data associated with a task.",
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"properties": {
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"createdAt": {
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"description": "ISO 8601 timestamp when the task was created.",
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"type": "string"
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},
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"lastUpdatedAt": {
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"description": "ISO 8601 timestamp when the task was last updated.",
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"type": "string"
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},
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"pollInterval": {
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"description": "Suggested polling interval in milliseconds.",
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"type": "integer"
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},
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"status": {
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"$ref": "#/$defs/TaskStatus",
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"description": "Current task state."
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},
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"statusMessage": {
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"description": "Optional human-readable message describing the current task state.\nThis can provide context for any status, including:\n- Reasons for \"cancelled\" status\n- Summaries for \"completed\" status\n- Diagnostic information for \"failed\" status (e.g., error details, what went wrong)",
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"type": "string"
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},
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"taskId": {
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"description": "The task identifier.",
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"type": "string"
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},
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"ttl": {
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"description": "Actual retention duration from creation in milliseconds, null for unlimited.",
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"type": ["integer", "null"]
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}
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},
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"required": ["createdAt", "lastUpdatedAt", "status", "taskId", "ttl"],
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"type": "object"
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},
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"CreateTaskResult": {
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"description": "A response to a task-augmented request.",
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"properties": {
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"_meta": {
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"additionalProperties": {},
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"description": "See [General fields: `_meta`](/specification/2025-11-25/basic/index#meta) for notes on `_meta` usage.",
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"type": "object"
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},
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"task": {
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"$ref": "#/$defs/Task"
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}
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},
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"required": ["task"],
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"type": "object"
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},
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"TaskAugmentedRequestParams": {
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"description": "Common params for any task-augmented request.",
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"properties": {
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"_meta": {
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"additionalProperties": {},
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"description": "See [General fields: `_meta`](/specification/2025-11-25/basic/index#meta) for notes on `_meta` usage.",
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"properties": {
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"progressToken": {
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"$ref": "https://raw.githubusercontent.com/modelcontextprotocol/modelcontextprotocol/main/schema/2025-11-25/schema.json#/$defs/ProgressToken",
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"description": "If specified, the caller is requesting out-of-band progress notifications for this request (as represented by notifications/progress). The value of this parameter is an opaque token that will be attached to any subsequent notifications. The receiver is not obligated to provide these notifications."
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}
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},
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"type": "object"
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},
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"task": {
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"$ref": "#/$defs/TaskMetadata",
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"description": "If specified, the caller is requesting task-augmented execution for this request.\nThe request will return a CreateTaskResult immediately, and the actual result can be\nretrieved later via tasks/result.\n\nTask augmentation is subject to capability negotiation - receivers MUST declare support\nfor task augmentation of specific request types in their capabilities."
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}
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},
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"type": "object"
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},
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"GetTaskRequest": {
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"description": "A request to retrieve the state of a task.",
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"properties": {
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"id": {
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"$ref": "https://raw.githubusercontent.com/modelcontextprotocol/modelcontextprotocol/main/schema/2025-11-25/schema.json#/$defs/RequestId"
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},
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"jsonrpc": {
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"const": "2.0",
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"type": "string"
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},
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"method": {
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"const": "tasks/get",
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"type": "string"
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},
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"params": {
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"properties": {
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"taskId": {
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"description": "The task identifier to query.",
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"type": "string"
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}
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},
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"required": ["taskId"],
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"type": "object"
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}
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},
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"required": ["id", "jsonrpc", "method", "params"],
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"type": "object"
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},
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"GetTaskResult": {
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"allOf": [
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{
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"$ref": "https://raw.githubusercontent.com/modelcontextprotocol/modelcontextprotocol/main/schema/2025-11-25/schema.json#/$defs/Result"
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},
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{
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"$ref": "#/$defs/Task"
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}
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],
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"description": "The response to a tasks/get request."
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},
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"GetTaskPayloadRequest": {
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"description": "A request to retrieve the result of a completed task.",
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"properties": {
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"id": {
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"$ref": "https://raw.githubusercontent.com/modelcontextprotocol/modelcontextprotocol/main/schema/2025-11-25/schema.json#/$defs/RequestId"
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},
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"jsonrpc": {
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"const": "2.0",
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"type": "string"
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},
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"method": {
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"const": "tasks/result",
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"type": "string"
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},
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"params": {
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"properties": {
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"taskId": {
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"description": "The task identifier to retrieve results for.",
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"type": "string"
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}
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},
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"required": ["taskId"],
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"type": "object"
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}
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},
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"required": ["id", "jsonrpc", "method", "params"],
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"type": "object"
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},
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"GetTaskPayloadResult": {
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"additionalProperties": {},
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"description": "The response to a tasks/result request.\nThe structure matches the result type of the original request.\nFor example, a tools/call task would return the CallToolResult structure.",
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"properties": {
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"_meta": {
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"additionalProperties": {},
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"description": "See [General fields: `_meta`](/specification/2025-11-25/basic/index#meta) for notes on `_meta` usage.",
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"type": "object"
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}
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},
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"type": "object"
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},
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"CancelTaskRequest": {
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"description": "A request to cancel a task.",
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"properties": {
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"id": {
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"$ref": "https://raw.githubusercontent.com/modelcontextprotocol/modelcontextprotocol/main/schema/2025-11-25/schema.json#/$defs/RequestId"
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},
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"jsonrpc": {
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"const": "2.0",
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"type": "string"
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},
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"method": {
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"const": "tasks/cancel",
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"type": "string"
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},
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"params": {
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"properties": {
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"taskId": {
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"description": "The task identifier to cancel.",
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"type": "string"
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}
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},
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"required": ["taskId"],
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"type": "object"
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}
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},
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"required": ["id", "jsonrpc", "method", "params"],
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"type": "object"
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},
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"CancelTaskResult": {
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"allOf": [
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{
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"$ref": "https://raw.githubusercontent.com/modelcontextprotocol/modelcontextprotocol/main/schema/2025-11-25/schema.json#/$defs/Result"
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},
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{
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"$ref": "#/$defs/Task"
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}
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],
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"description": "The response to a tasks/cancel request."
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},
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"ListTasksRequest": {
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"description": "A request to retrieve a list of tasks.",
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"properties": {
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"id": {
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"$ref": "https://raw.githubusercontent.com/modelcontextprotocol/modelcontextprotocol/main/schema/2025-11-25/schema.json#/$defs/RequestId"
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},
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"jsonrpc": {
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"const": "2.0",
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"type": "string"
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},
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"method": {
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"const": "tasks/list",
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"type": "string"
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},
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"params": {
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"$ref": "https://raw.githubusercontent.com/modelcontextprotocol/modelcontextprotocol/main/schema/2025-11-25/schema.json#/$defs/PaginatedRequestParams"
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}
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},
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"required": ["id", "jsonrpc", "method"],
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"type": "object"
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},
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"ListTasksResult": {
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"description": "The response to a tasks/list request.",
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"properties": {
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"_meta": {
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"additionalProperties": {},
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"description": "See [General fields: `_meta`](/specification/2025-11-25/basic/index#meta) for notes on `_meta` usage.",
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"type": "object"
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},
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"nextCursor": {
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"description": "An opaque token representing the pagination position after the last returned result.\nIf present, there may be more results available.",
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"type": "string"
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},
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"tasks": {
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"items": {
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"$ref": "#/$defs/Task"
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},
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"type": "array"
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}
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},
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"required": ["tasks"],
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"type": "object"
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},
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"TaskStatusNotificationParams": {
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"allOf": [
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{
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"$ref": "https://raw.githubusercontent.com/modelcontextprotocol/modelcontextprotocol/main/schema/2025-11-25/schema.json#/$defs/NotificationParams"
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},
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{
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"$ref": "#/$defs/Task"
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}
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],
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"description": "Parameters for a `notifications/tasks/status` notification."
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},
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"TaskStatusNotification": {
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"description": "An optional notification from the receiver to the requestor, informing them that a task's status has changed. Receivers are not required to send these notifications.",
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"properties": {
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"jsonrpc": {
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"const": "2.0",
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"type": "string"
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},
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"method": {
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"const": "notifications/tasks/status",
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"type": "string"
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},
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"params": {
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"$ref": "#/$defs/TaskStatusNotificationParams"
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}
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},
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"required": ["jsonrpc", "method", "params"],
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"type": "object"
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},
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"TaskServerCapabilities": {
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"description": "Task-related server capabilities. Include this in the server's capabilities object during initialization.",
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"properties": {
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"tasks": {
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"properties": {
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"list": {
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"description": "Whether this server supports tasks/list.",
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"type": "object"
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},
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"cancel": {
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"description": "Whether this server supports tasks/cancel.",
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"type": "object"
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},
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"requests": {
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"properties": {
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"tools": {
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"properties": {
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"call": {
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"description": "Whether the server supports task-augmented tools/call requests.",
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"type": "object"
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}
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},
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"type": "object"
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}
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},
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"type": "object"
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}
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},
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"type": "object"
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}
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},
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"type": "object"
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},
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"TaskClientCapabilities": {
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"description": "Task-related client capabilities. Include this in the client's capabilities object during initialization.",
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"properties": {
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"tasks": {
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"properties": {
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"list": {
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"description": "Whether this client supports tasks/list.",
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"type": "object"
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},
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"cancel": {
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"description": "Whether this client supports tasks/cancel.",
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"type": "object"
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},
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"requests": {
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"properties": {
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"sampling": {
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"properties": {
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"createMessage": {
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"description": "Whether the client supports task-augmented sampling/createMessage requests.",
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"type": "object"
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}
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},
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"type": "object"
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},
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"elicitation": {
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"properties": {
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"create": {
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"description": "Whether the client supports task-augmented elicitation/create requests.",
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"type": "object"
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}
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},
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"type": "object"
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}
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},
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"type": "object"
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}
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},
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"type": "object"
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}
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},
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"type": "object"
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},
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"ToolTaskSupport": {
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"description": "Task support declaration for individual tools.\n- \"forbidden\": Tool does not support task-augmented execution (default when absent)\n- \"optional\": Tool may support task-augmented execution\n- \"required\": Tool requires task-augmented execution",
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"enum": ["forbidden", "optional", "required"],
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"type": "string"
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}
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}
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}
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