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Coming soon. Dash0 is not a trace source yet. This page describes what it will do; setup details are added here when it ships.
If your agent already sends OpenTelemetry traces to Dash0, Helix will read them from there, the same way it reads Langfuse, OpenObserve and SigNoz: Dash0 stays the place your traces live, and Helix does not keep a copy.

Dash0

Read the traces in a Dash0 dataset for Evaluate and Diagnose.

Available now

Langfuse, OpenObserve and SigNoz, and local transcripts and JSONL files.

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How it will connect

Like the other hosted sources, a Dash0 source will be one entry under global.sources in .mutagent/config.yaml. It will name the Dash0 endpoint and the name of the environment variable that holds your Dash0 auth token, never the token itself. One source is enough: it binds to Evaluate and Diagnose on its own.

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Until then

Export the runs you want to evaluate as JSONL and read them with a local JSONL source, or point Helix at another OpenTelemetry backend your agent already reports to.