Lemma

Public developer resources for Lemma AI observability.

This repository contains the user-facing SDKs, documentation source, and agent skills for integrating Lemma tracing into AI applications.

What is here

Path	Contents
docs/	Mintlify documentation source for docs.uselemma.ai.
packages/ts/tracing	TypeScript SDK: @uselemma/tracing.
packages/py/tracing	Python SDK: uselemma-tracing.
skills/lemma-tracing	Lemma tracing skill for adding tracing to codebases.

Install

npm install @uselemma/tracing

pip install uselemma-tracing

Both SDKs read credentials from environment variables by default:

export LEMMA_API_KEY=...
export LEMMA_PROJECT_ID=...

Documentation

• Quickstart
• Tracing overview
• Trace contract
• Vercel AI SDK
• OpenAI Agents SDK
• LangChain
• LangGraph

Development

Install dependencies:

pnpm install
uv sync

Run TypeScript checks:

pnpm --filter @uselemma/tracing test
pnpm --filter @uselemma/tracing type-check
pnpm --filter @uselemma/tracing build

Run Python checks:

uv run --project packages/py/tracing --extra dev pytest packages/py/tracing/tests
uv build --package uselemma-tracing

Validate the docs config:

python3 -m json.tool docs/docs.json >/dev/null

Releases

Package publishing is driven by package version changes on main.

• Changes to packages/ts/tracing/package.json publish @uselemma/tracing when the version is not already present on npm.
• Changes to packages/py/tracing/pyproject.toml publish uselemma-tracing when the version is not already present on PyPI.

License

MIT