See How Your Top 100 Keywords Appear In The SERP Using The Search Console + Google Custom Search Engine API
https://www.youtube.comLee Foot demonstrates how to use the Google Search Console API and the Custom Search Engine API (Free for 100 Queries Per Day) to see how Google is rewriting your page titles and meta descriptions. He will also show you steps you can take to minimize junk rewrites.
Get the Colab script here.