Open source

The tools we build for our own delivery.

Everything here earns its place in real client delivery first.
Then it is yours to clone, fork or tear apart.

LangChain Agent SkillsMITAgent-optimized LangChain, LangGraph and LangSmith skills, so an AI coding assistant works the stack the way someone who knows it would.106
LangGraph Agent Lightning OptimizationMITPrompt optimization for a LangGraph agent using Agent Lightning's APO algorithm, with a worked booking-assistant example traced in LangSmith.22
KRS MCPMITAn MCP server for the Polish court register: find a company by name, NIP or REGON and pull its official extract and board into any AI agent, no API key.2

More coming.

Also public

The rest of our work is public too.

See how we apply these tools in our production case studies.

The LangChain credential

We are part of LangChain's official expert community, and the Ambassador for Poland is on our team.

See the credential

How we build, written down

Working notes on production agentic systems: context engineering, evals, the failure modes we hit and what fixed them.

The LangChain meetups

We run the LangChain Community Meetups in Poland. The talks are ours, the room is open, and attending costs nothing.

See the meetups