Langfuse Observability plugin: what it installs and how to add it
Captures and exports Claude Code session telemetry to Langfuse for monitoring, debugging, and evaluation.
From the Marketplace: claude-plugins-official marketplace
Install
> /plugin install langfuse-observability@claude-plugins-officialRun it inside Claude Code. The official marketplace is already known, so there is nothing to add first.
What is inside
- 2hooks
About this plugin
Installed hooks observe Claude Code sessions and send traces to Langfuse, including prompts, agent turns, model generations, token usage, costs, thinking blocks, tool calls, skills, subagents, and images. Tracing covers the claude CLI and the desktop app in Code mode, but not Claude Desktop Chat mode.
Configure Langfuse with a public key and secret key, and optionally a base URL and other settings. The hook needs uv on PATH, or Python 3.10+ with the Langfuse SDK installed. It records failures in a local log and does not block Claude Code when telemetry cannot be sent.
What's inside
- 2 hooks
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Skills, not plugins
Prefer a single skill for development work? 471 skills in the same category, each installed on its own.