Tropir

Tropir is a Y Combinator X25 (2025) AI developer tools startup founded by Georgia Tech students. The company builds an intelligent debugging platform for large language model (LLM) pipelines that goes beyond traditional observability logs: Tropir automatically traces exactly where a pipeline failed — across prompts, retrievals, tool calls, and context — suggests targeted fixes, reruns the full pipeline, and evaluates whether the fix resolved the problem. Teams building RAG workflows, AI support bots, and research agents report debugging LLM pipelines up to 60x faster with Tropir's conversational interface and built-in eval suite. The platform integrates with two lines of code and includes a Traceback Engine, automatic Fix+Rerun capability, and support for custom evaluations covering relevance, grounding, and structure.