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Lint a rules file

Format

Auto-detect picks Cursor rule (.mdc) when the frontmatter has description, globs, or alwaysApply. The format only changes whether R015 and R016 run.

Rules file content

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Rules

Rules to run R001 Rationale prose R002 Vague verbs R003 Contradictory modals R004 File length R005 Duplicate lines R007 Hedged instructions R008 Emphasis inflation R009 Secrets in rules file R010 Persona preamble R011 Empty sections R012 Unclosed code fence R013 Prose paragraph R014 Unverifiable cross-reference R015 Frontmatter fields R016 Manual Cursor rule

This sample intentionally triggers six findings.

Linted as Markdown rules file (detected).

Aibysitter lint score

76 / 100 — C

Ruleset v4

Rule	Deduction
R001	−2
R002	−8
R003	−10
R005	−4

Findings (6)

Line	Rule	Severity	Message	Fix
5	R001 Rationale prose	Info	Rationale prose: "because"	Remove the explanation. State the instruction only.
6	R002 Vague verbs	Warning	Vague wording: "handle", "properly"	Name the concrete action, file, or command.
10	R003 Contradictory modals	Error	Contradicts line 4: "run the formatter before commit" is both required and forbidden.	Keep one instruction and delete the other.
11	R001 Rationale prose	Info	Rationale prose: "so that"	Remove the explanation. State the instruction only.
12	R002 Vague verbs	Warning	Vague wording: "ensure"	Name the concrete action, file, or command.
13	R005 Duplicate lines	Warning	Duplicate of line 9.	Delete the repeated line.