Woodpecker Software Testing
Feb 26, 2026 · Artificial Intelligence
Create a Python Semantic Validator with Claude AI & LangChain in 150 Lines
This article shows QA engineers how to build a Python semantic validator using Claude AI and LangChain, demonstrating rule‑based checks, a concrete e‑commerce example, performance tricks, and cost estimates to catch logical inconsistencies that traditional schema validators miss.
Claude AILLMLangChain
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