I built Obyflow. Try it, break it, and tell me what goes wrong
Description and use
Obyflow is a tracing and debugging tool for LLM applications that captures events, performs anomaly detection, and uses LLMs for root‑cause diagnosis, simplifying failure analysis.
Problem
Debugging LLM applications with console.log is insufficient; failures lack context and traceability.
Outcome
Obyflow provides a lightweight, local tracing solution that captures detailed events, performs anomaly detection, and offers LLM‑based diagnosis, improving debugging efficiency for LLM apps.
Workflow
- Install Obyflow CLI globally with
npm install -g obyflow - Initialize a project with
npx obyflow init - Start the local SQLite backend using
npx obyflow start - Run your LLM application with Obyflow SDK to emit traces
- When an issue occurs, investigate with
npx obyflow investigate --since 1hto view recent events and receive a root‑cause summary
Evidence
It can track things like LLM calls, vector searches, errors, logs, and LangChain steps.
When something goes wrong, you can also use an LLM to look at the collected information and give you a possible reason for the failure.
- Record date: 2026-09-14T05:01:29.539Z