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33 lines
1.1 KiB
Text
33 lines
1.1 KiB
Text
---
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title: capabilities
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sidebarTitle: capabilities
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---
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# `fastmcp.server.tasks.capabilities`
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SEP-1686 task capabilities declaration.
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## Functions
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### `get_task_capabilities` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/server/tasks/capabilities.py#L13" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
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```python
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get_task_capabilities() -> ServerTasksCapability | None
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```
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Return the SEP-1686 task capabilities.
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Returns task capabilities as a first-class ServerCapabilities field,
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declaring support for list, cancel, and request operations per SEP-1686.
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Returns None if a compatible pydocket is not installed (no task support).
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Uses the canonical ``is_docket_available()`` check so that capability
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advertisement and handler registration stay in sync — otherwise a server
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with an old transitive pydocket would advertise task support and then
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return "method not found" when clients invoked it.
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Note: prompts/resources are passed via extra_data since the SDK types
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don't include them yet (FastMCP supports them ahead of the spec).
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