diff --git a/plugins/ultraplan-local/lib/parsers/arg-parser.mjs b/plugins/ultraplan-local/lib/parsers/arg-parser.mjs
index 5f20f17..aa6cda2 100644
--- a/plugins/ultraplan-local/lib/parsers/arg-parser.mjs
+++ b/plugins/ultraplan-local/lib/parsers/arg-parser.mjs
@@ -26,6 +26,11 @@ const FLAG_SCHEMA = {
     valued: ['--project', '--step', '--session'],
     aliases: {},
   },
+  ultrareview: {
+    boolean: ['--quick', '--fg', '--dry-run', '--validate'],
+    valued: ['--project', '--since'],
+    aliases: {},
+  },
 };
 
 /**
diff --git a/plugins/ultraplan-local/tests/lib/arg-parser.test.mjs b/plugins/ultraplan-local/tests/lib/arg-parser.test.mjs
index e51f737..42624fe 100644
--- a/plugins/ultraplan-local/tests/lib/arg-parser.test.mjs
+++ b/plugins/ultraplan-local/tests/lib/arg-parser.test.mjs
@@ -75,3 +75,24 @@ test('unknown command reported as error', () => {
   const r = parseArgs('--quick', 'notacommand');
   assert.ok(r.errors.find(e => e.code === 'ARG_UNKNOWN_COMMAND'));
 });
+
+test('ultrareview — --project value capture', () => {
+  const r = parseArgs('--project .claude/projects/2026-05-01-foo', 'ultrareview');
+  assert.equal(r.flags['--project'], '.claude/projects/2026-05-01-foo');
+});
+
+test('ultrareview — --since <ref> value', () => {
+  const r = parseArgs('--since HEAD~5', 'ultrareview');
+  assert.equal(r.flags['--since'], 'HEAD~5');
+});
+
+test('ultrareview — --quick + --validate combined', () => {
+  const r = parseArgs('--quick --validate', 'ultrareview');
+  assert.equal(r.flags['--quick'], true);
+  assert.equal(r.flags['--validate'], true);
+});
+
+test('ultrareview — unknown flag goes to unknown[]', () => {
+  const r = parseArgs('--mystery foo', 'ultrareview');
+  assert.ok(r.unknown.includes('--mystery'));
+});