Below are some formal critical appraisal tools that can be used to evaluate international and localised guidelines.
https://www.agreetrust.org/resource-centre/agree-reporting-checklist/
Freely available this 23 point checklist is detailed in its reporting, however it provides helpful prompts when evaluating a guideline. This tool was developed by an international research body and is recognised as an accredited evaluation checklist.
Published by the University of South Australia this checklist is made up of 14 questions that can be used as checklist or use the score system. Designed for allied health staff, this checklist can certainly be adopted and used in other medical specialities.
The following resources provide background reading on how best to evaluate guidelines.
NHMRC (2019). Guidelines for guidelines. Retrieved from https://www.nhmrc.gov.au/guidelinesforguidelines/background
Harrison, M. B., Légaré, F., Graham, I. D., & Fervers, B. (2010). Adapting clinical practice guidelines to local context and assessing barriers to their use. Cmaj, 182(2), E78-E84.