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langfuse

Read and write Langfuse: browse traces and observations, list prompts and datasets, score traces, add dataset items. Trigger phrases: langfuse, llm observability.

connectors/langfuse/SKILL.md

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# Langfuse

## Purpose
Read and write the user's Langfuse LLM observability data: browse traces and observations, list prompts and datasets, score traces, and add dataset items. Use when the user mentions Langfuse or LLM tracing and evaluation.

## Tooling
All commands go through `bin/langfuse.py`. Every command takes an optional `--host` (default `https://cloud.langfuse.com`; use `https://us.cloud.langfuse.com` for US-hosted projects or your self-hosted URL):

```bash
bin/langfuse.py auth                                            # verify the credential
bin/langfuse.py traces                                          # list traces
bin/langfuse.py traces --session-id abc123                      # traces for one session
bin/langfuse.py observations                                    # list observations
bin/langfuse.py prompts                                         # list prompts
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