diff --git a/internal/parser/all.go b/internal/parser/all.go
index 0f9e445..819bff7 100644
--- a/internal/parser/all.go
+++ b/internal/parser/all.go
@@ -4,6 +4,7 @@ import (
 	_ "github.com/joint-online-judge/JOJ3/internal/parser/clangtidy"
 	_ "github.com/joint-online-judge/JOJ3/internal/parser/cppcheck"
 	_ "github.com/joint-online-judge/JOJ3/internal/parser/cpplint"
+	_ "github.com/joint-online-judge/JOJ3/internal/parser/debug"
 	_ "github.com/joint-online-judge/JOJ3/internal/parser/diff"
 	_ "github.com/joint-online-judge/JOJ3/internal/parser/dummy"
 	_ "github.com/joint-online-judge/JOJ3/internal/parser/healthcheck"
diff --git a/internal/parser/debug/meta.go b/internal/parser/debug/meta.go
new file mode 100644
index 0000000..a1d807b
--- /dev/null
+++ b/internal/parser/debug/meta.go
@@ -0,0 +1,9 @@
+package debug
+
+import "github.com/joint-online-judge/JOJ3/internal/stage"
+
+var name = "debug"
+
+func init() {
+	stage.RegisterParser(name, &Debug{})
+}
diff --git a/internal/parser/debug/parser.go b/internal/parser/debug/parser.go
new file mode 100644
index 0000000..4efc6f6
--- /dev/null
+++ b/internal/parser/debug/parser.go
@@ -0,0 +1,36 @@
+package debug
+
+import (
+	"log/slog"
+
+	"github.com/joint-online-judge/JOJ3/internal/stage"
+)
+
+type Conf struct{}
+
+type Debug struct{}
+
+func Parse(executorResult stage.ExecutorResult, conf Conf) stage.ParserResult {
+	slog.Debug("debug parser", "executorResult", executorResult)
+	for name, content := range executorResult.Files {
+		slog.Debug("debug parser file", "name", name, "content", content)
+	}
+	return stage.ParserResult{
+		Score:   0,
+		Comment: "",
+	}
+}
+
+func (*Debug) Run(results []stage.ExecutorResult, confAny any) (
+	[]stage.ParserResult, bool, error,
+) {
+	conf, err := stage.DecodeConf[Conf](confAny)
+	if err != nil {
+		return nil, true, err
+	}
+	var res []stage.ParserResult
+	for _, result := range results {
+		res = append(res, Parse(result, *conf))
+	}
+	return res, false, nil
+}