Devin

Validates Devin CLI/Desktop workspace rules under .devin/rules/ and legacy .windsurf/rules/, plus Devin-native .devin/skills whose frontmatter is optional and extends the portable Agent Skills dialect. Windsurf .windsurf/skills use portable Agent Skills validation. Enabled automatically when Devin repository context is present.

Rule ID	Description	Default Severity	Autofix
devin-rules-valid	Devin workspace rules must have valid activation frontmatter and fit its size limit	error (auto)	-
devin-skill-valid	Devin-native SKILL.md frontmatter must use Devin's documented field shapes	error (auto)	-