diff --git a/bin/exec-constrained.py b/bin/exec-constrained.py
index 58d45e2..98b24a6 100755
--- a/bin/exec-constrained.py
+++ b/bin/exec-constrained.py
@@ -82,7 +82,7 @@ WORK_DIR = '/home/super'
 
 class RateLimiter:
     """Token bucket per identity. Thread-safe."""
-    def __init__(self, rate_per_min=20, burst=5):
+    def __init__(self, rate_per_min=60, burst=30):
         self.rate = rate_per_min / 60.0
         self.burst = burst
         self._buckets = {}
@@ -816,6 +816,23 @@ def _swarm_list_build(a):
     return [sys.executable, os.path.join(BIN_DIR, 'box-ctl.py'), 'swarm-list']
 
 
+def _swarm_results_validate(raw):
+    if not isinstance(raw, dict):
+        raise OpError('args must be an object')
+    allowed = {'swarm_id', 'id'}
+    for k in raw:
+        if k not in allowed:
+            raise OpError(f'unknown arg: {k}')
+    sid = raw.get('swarm_id') or raw.get('id')
+    if not isinstance(sid, str) or not TARGET_RE.fullmatch(sid):
+        raise OpError('swarm_id must match safe identifier')
+    return {'swarm_id': sid}
+
+
+def _swarm_results_build(a):
+    return [sys.executable, os.path.join(BIN_DIR, 'box-ctl.py'), 'swarm-results', a['swarm_id']]
+
+
 # op -> {validate, build, timeout, side_effecting, description}
 OPS = {
     'dm.send': {
@@ -958,6 +975,11 @@ OPS = {
         'timeout': 30, 'side_effecting': False,
         'desc': 'List all subagent swarms and their counts',
     },
+    'swarm.results': {
+        'validate': _swarm_results_validate, 'build': _swarm_results_build,
+        'timeout': 30, 'side_effecting': False,
+        'desc': 'Retrieve results and summaries for a completed swarm',
+    },
     'followup.create': {
         'validate': _followup_create_validate, 'build': _followup_create_build,
         'timeout': 30, 'side_effecting': True,