Langfuse

Manage Langfuse prompts, traces, observations, datasets, scores, and metrics for LLM observability

Connect

Connect Ren to Langfuse for LLM observability and prompt management. Read and write prompts, inspect traces and observations, manage datasets and dataset runs, create and query scores and score configs, run analytics with queryMetrics, and manage annotation queues. Authenticate with a Langfuse public/secret API key pair (pk-lf-…:sk-lf-…); an optional allowlist can restrict the server to read-only tools.