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Use the Lemma tracing skill when you want a coding agent to install the SDK, detect your framework, and add tracing for you. The skill lives in the public Lemma developer repo:

Install with the Skills CLI

For Cursor, use the Skills CLI target:
For Claude Code, use the Skills CLI target:

Prompt your agent

After installing the skill, paste this into your coding agent:
The skill covers manual SDK tracing, Vercel AI SDK, OpenAI Agents SDK, LangChain, LangGraph, Langfuse side-by-side installs, trace handles, debug mode, and common tracing issues.

Diagnose traces that already land

Use the Lemma diagnostics skill when traces are already arriving and you want to know whether their shape matches the high-quality traces guide. The skill does not edit your app. If nothing is landing, use the tracing skill instead.
Then prompt your agent: