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56 lines
1.8 KiB
Text
56 lines
1.8 KiB
Text
---
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title: telemetry
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sidebarTitle: telemetry
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---
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# `fastmcp.server.telemetry`
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Server-side telemetry helpers.
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## Functions
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### `get_auth_span_attributes` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/telemetry.py#L13" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
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```python
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get_auth_span_attributes() -> dict[str, str]
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```
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Get auth attributes for the current request, if authenticated.
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### `get_session_span_attributes` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/telemetry.py#L30" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
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```python
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get_session_span_attributes() -> dict[str, str]
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```
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Get session attributes for the current request.
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### `server_span` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/telemetry.py#L56" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
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```python
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server_span(name: str, method: str, server_name: str, component_type: str, component_key: str, resource_uri: str | None = None) -> Generator[Span, None, None]
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```
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Create a SERVER span with standard MCP attributes and auth context.
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Automatically records any exception on the span and sets error status.
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### `delegate_span` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/telemetry.py#L100" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
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```python
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delegate_span(name: str, provider_type: str, component_key: str) -> Generator[Span, None, None]
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```
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Create an INTERNAL span for provider delegation.
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Used by FastMCPProvider when delegating to mounted servers.
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Automatically records any exception on the span and sets error status.
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