diff --git a/gitea_mcp_server.py b/gitea_mcp_server.py
index e7551db..810e546 100644
--- a/gitea_mcp_server.py
+++ b/gitea_mcp_server.py
@@ -1282,12 +1282,18 @@ def _verify_role_mutation_workspace(
     worktree_path: str | None = None,
     worktree: str | None = None,
     task: str | None = None,
+    org: str | None = None,
+    repo: str | None = None,
 ) -> str:
     """Bind reviewer/merger mutations to the active namespace workspace (#510).
 
     #683: must NOT early-return solely because pytest/unittest is loaded.
     Production workspace binding always runs; test isolation uses explicit
     env fixtures / force-on flags, never a production short-circuit here.
+
+    org/repo are forwarded into anti-stomp (#604) so callers that pass explicit
+    repository targets (e.g. prgs + Gitea-Tools when REMOTES defaults to
+    Timesheet) do not fail closed with wrong_repo after a successful resolve.
     """
 
     # Check running runtimes to prevent stale mutations
@@ -1350,7 +1356,13 @@ def _verify_role_mutation_workspace(
             )
         )
     resolved = assessment["mutation_workspace"]
-    verify_preflight_purity(remote, worktree_path=resolved, task=task)
+    verify_preflight_purity(
+        remote,
+        worktree_path=resolved,
+        task=task,
+        org=org,
+        repo=repo,
+    )
     return resolved
 
 
@@ -4521,7 +4533,11 @@ def _evaluate_pr_review_submission(
 ) -> dict:
     """Shared gate chain for live submit and dry-run review tools."""
     _verify_role_mutation_workspace(
-        remote, worktree_path=worktree_path, task="review_pr"
+        remote,
+        worktree_path=worktree_path,
+        task="review_pr",
+        org=org,
+        repo=repo,
     )
     action = (action or "").strip().lower()
     workflow_blockers = _review_workflow_load_gate_reasons() if live else []
@@ -7619,7 +7635,11 @@ def gitea_merge_pr(
         available. Never secrets.
     """
     _verify_role_mutation_workspace(
-        remote, worktree_path=worktree_path, task="merge_pr"
+        remote,
+        worktree_path=worktree_path,
+        task="merge_pr",
+        org=org,
+        repo=repo,
     )
     allowed = get_profile()["allowed_operations"]
     forbidden = get_profile()["forbidden_operations"]
@@ -10652,8 +10672,14 @@ def gitea_acquire_reviewer_pr_lease(
 
     # task=acquire_reviewer_pr_lease so verify_preflight_purity runs shared #604
     # anti-stomp for the declared lease-acquire mutation inventory entry.
+    # Forward explicit org/repo so anti-stomp does not default bare remote=prgs
+    # to Timesheet when the local git remote is Gitea-Tools (#604 wrong_repo).
     _verify_role_mutation_workspace(
-        remote, worktree=worktree, task="acquire_reviewer_pr_lease"
+        remote,
+        worktree=worktree,
+        task="acquire_reviewer_pr_lease",
+        org=org,
+        repo=repo,
     )
     h, o, r = _resolve(remote, host, org, repo)
     auth = _auth(h)
@@ -10794,7 +10820,11 @@ def gitea_acquire_merger_pr_lease(
 
     try:
         _verify_role_mutation_workspace(
-            remote, worktree=worktree, task="acquire_merger_pr_lease"
+            remote,
+            worktree=worktree,
+            task="acquire_merger_pr_lease",
+            org=org,
+            repo=repo,
         )
     except RuntimeError as e:
         return {
@@ -10987,7 +11017,11 @@ def gitea_adopt_merger_pr_lease(
 
     # task=adopt_merger_pr_lease so verify_preflight_purity runs shared #604 anti-stomp.
     _verify_role_mutation_workspace(
-        remote, worktree=worktree, task="adopt_merger_pr_lease"
+        remote,
+        worktree=worktree,
+        task="adopt_merger_pr_lease",
+        org=org,
+        repo=repo,
     )
     h, o, r = _resolve(remote, host, org, repo)
     auth = _auth(h)
@@ -11709,7 +11743,11 @@ def gitea_release_reviewer_pr_lease(
         dict reporting release status.
     """
     _verify_role_mutation_workspace(
-        remote, worktree=worktree, task="review_pr"
+        remote,
+        worktree=worktree,
+        task="review_pr",
+        org=org,
+        repo=repo,
     )
     h, o, r = _resolve(remote, host, org, repo)
     auth = _auth(h)
diff --git a/tests/test_merger_lease_acquire.py b/tests/test_merger_lease_acquire.py
index 88fa94b..77bc118 100644
--- a/tests/test_merger_lease_acquire.py
+++ b/tests/test_merger_lease_acquire.py
@@ -145,6 +145,37 @@ class TestMergerLeaseAcquireTool(unittest.TestCase):
         self.assertIn("Branches-only mutation guard", res["reasons"][0])
         self.assertIsNone(leases._SESSION_LEASE)
 
+    @patch("gitea_mcp_server.api_request")
+    @patch("gitea_mcp_server._auth", return_value="token pass")
+    @patch("gitea_mcp_server._resolve", return_value=("gitea.prgs.cc", "Scaled-Tech-Consulting", "Gitea-Tools"))
+    @patch("gitea_mcp_server.get_profile")
+    @patch("gitea_mcp_server._fetch_pr_comments", return_value=[])
+    @patch("gitea_mcp_server._verify_role_mutation_workspace")
+    def test_acquire_merger_forwards_explicit_org_repo_to_workspace_verify(
+        self, mock_verify, _comments, mock_profile, _resolve, _auth, mock_api
+    ):
+        """Explicit org/repo must reach anti-stomp (prgs bare default is Timesheet)."""
+        mock_profile.return_value = self._merger_profile()
+        mock_api.side_effect = [
+            {"state": "open", "head": {"sha": LIVE_HEAD}},
+            {"id": 789},
+        ]
+        with patch.dict(os.environ, {"GITEA_MCP_PROFILE_NAME": "prgs-merger"}):
+            res = mcp_server.gitea_acquire_merger_pr_lease(
+                pr_number=718,
+                worktree="branches/issue-718",
+                session_id="merger-session",
+                candidate_head=HEAD,
+                remote="prgs",
+                org="Scaled-Tech-Consulting",
+                repo="Gitea-Tools",
+            )
+        self.assertTrue(res["success"], res)
+        kwargs = mock_verify.call_args.kwargs
+        self.assertEqual(kwargs.get("org"), "Scaled-Tech-Consulting")
+        self.assertEqual(kwargs.get("repo"), "Gitea-Tools")
+        self.assertEqual(kwargs.get("task"), "acquire_merger_pr_lease")
+
     @patch("gitea_mcp_server.get_profile")
     def test_acquire_merger_requires_candidate_head(self, mock_profile):
         mock_profile.return_value = self._merger_profile()