diff --git a/python/ruff-ecosystem/ruff_ecosystem/check.py b/python/ruff-ecosystem/ruff_ecosystem/check.py
index 6e998e938c..617514d1a0 100644
--- a/python/ruff-ecosystem/ruff_ecosystem/check.py
+++ b/python/ruff-ecosystem/ruff_ecosystem/check.py
@@ -112,7 +112,7 @@ def summarize_check_result(result: Result) -> str:
             markdown_project_section(
                 title=f"+{diff.lines_added}, -{diff.lines_removed}",
                 content=diff_lines,
-                options=project.check_options.markdown(),
+                options=project.check_options,
                 project=project,
             )
         )
@@ -122,7 +122,7 @@ def summarize_check_result(result: Result) -> str:
             markdown_project_section(
                 title="error",
                 content=str(error),
-                options="",
+                options=project.check_options,
                 project=project,
             )
         )
@@ -146,7 +146,7 @@ def summarize_check_result(result: Result) -> str:
         lines.extend(
             markdown_details(
                 summary="Rule change summary",
-                preface="f"{len(all_rule_changes.rule_codes())} rules changed"",
+                preface=f"{len(all_rule_changes.rule_codes())} rules changed",
                 content=table_lines,
             )
         )
@@ -166,18 +166,10 @@ def add_permalink_to_diagnostic_line(repo: ClonedRepository, line: str) -> str:
 
 async def ruff_check(
     *, executable: Path, path: Path, name: str, options: CheckOptions
-) -> Sequence[str]:
+) -> tuple[str, Sequence[str]]:
     """Run the given ruff binary against the specified path."""
     logger.debug(f"Checking {name} with {executable}")
-    ruff_args = ["check", "--no-cache", "--exit-zero"]
-    if options.select:
-        ruff_args.extend(["--select", options.select])
-    if options.ignore:
-        ruff_args.extend(["--ignore", options.ignore])
-    if options.exclude:
-        ruff_args.extend(["--exclude", options.exclude])
-    if options.show_fixes:
-        ruff_args.extend(["--show-fixes", "--ecosystem-ci"])
+    ruff_args = options.to_cli_args()
 
     start = time.time()
     proc = await create_subprocess_exec(
@@ -225,6 +217,18 @@ class CheckOptions(Serializable):
     def markdown(self) -> str:
         return f"select {self.select} ignore {self.ignore} exclude {self.exclude}"
 
+    def to_cli_args(self) -> list[str]:
+        args = ["check", "--no-cache", "--exit-zero"]
+        if self.select:
+            args.extend(["--select", self.select])
+        if self.ignore:
+            args.extend(["--ignore", self.ignore])
+        if self.exclude:
+            args.extend(["--exclude", self.exclude])
+        if self.show_fixes:
+            args.extend(["--show-fixes", "--ecosystem-ci"])
+        return args
+
 
 @dataclass(frozen=True)
 class RuleChanges:
diff --git a/python/ruff-ecosystem/ruff_ecosystem/format.py b/python/ruff-ecosystem/ruff_ecosystem/format.py
index 8f7a04507e..07f67134f4 100644
--- a/python/ruff-ecosystem/ruff_ecosystem/format.py
+++ b/python/ruff-ecosystem/ruff_ecosystem/format.py
@@ -59,7 +59,7 @@ def summarize_format_result(result: Result) -> str:
             markdown_project_section(
                 title=title,
                 content=patch_set_with_permalinks(patch_set, comparison.repo),
-                options=project.format_options.markdown(),
+                options=project.format_options,
                 project=project,
             )
         )
@@ -69,7 +69,7 @@ def summarize_format_result(result: Result) -> str:
             markdown_project_section(
                 title="error",
                 content=str(error),
-                options="",
+                options=project.format_options,
                 project=project,
             )
         )
@@ -176,13 +176,12 @@ def create_format_comparison(repo: ClonedRepository, diff: str) -> FormatCompari
 @dataclass(frozen=True)
 class FormatOptions:
     """
-    Ruff format options
+    Ruff format options.
     """
 
-    pass
-
-    def markdown(self: Self) -> str:
-        return ""
+    def to_cli_args(self) -> list[str]:
+        args = ["format", "--diff"]
+        return args
 
 
 @dataclass(frozen=True)
diff --git a/python/ruff-ecosystem/ruff_ecosystem/markdown.py b/python/ruff-ecosystem/ruff_ecosystem/markdown.py
index 74bea83540..e1094c8595 100644
--- a/python/ruff-ecosystem/ruff_ecosystem/markdown.py
+++ b/python/ruff-ecosystem/ruff_ecosystem/markdown.py
@@ -11,7 +11,7 @@ def markdown_project_section(
 ) -> list[str]:
     return markdown_details(
         summary=f'<a href="{project.repo.url}">{project.repo.fullname}</a> ({title})',
-        preface=options,
+        preface="`ruff " + " ".join(options.to_cli_args()) + "`",
         content=content,
     )