diff --git a/agent/redact.py b/agent/redact.py
index 421319a38f..ebca1ae75f 100644
--- a/agent/redact.py
+++ b/agent/redact.py
@@ -436,7 +436,7 @@ def _canonical_url_param_name(name: str) -> str:
         if next_value == decoded:
             break
         decoded = next_value
-    return decoded.casefold()
+    return decoded.casefold().replace("-", "_")
 
 
 def _redact_strict_url_credentials(text: str) -> str:
diff --git a/tests/agent/test_pre_compress_memory_context.py b/tests/agent/test_pre_compress_memory_context.py
index 98daee9ee3..14f8addb42 100644
--- a/tests/agent/test_pre_compress_memory_context.py
+++ b/tests/agent/test_pre_compress_memory_context.py
@@ -96,6 +96,10 @@ def test_memory_context_is_strictly_redacted_before_summary_llm(monkeypatch):
     prefix_secret = "sk-" + "b" * 30
     query_secret = "opaque-query-secret"
     userinfo_value = "opaque-userinfo-value"
+    hyphen_client_secret = "HYPHEN_CLIENT_SECRET"
+    hyphen_access_secret = "HYPHEN_ACCESS_SECRET"
+    hyphen_api_secret = "HYPHEN_API_SECRET"
+    encoded_hyphen_secret = "ENCODED_HYPHEN_SECRET"
     prompts = []
 
     def mock_call_llm(**kwargs):
@@ -109,7 +113,11 @@ def test_memory_context_is_strictly_redacted_before_summary_llm(monkeypatch):
             memory_context=(
                 f"api key: {prefix_secret}\n"
                 f"callback: https://example.test/cb?token={query_secret}\n"
-                f"endpoint: https://user:{userinfo_value}@example.test/private"
+                f"endpoint: https://user:{userinfo_value}@example.test/private\n"
+                f"hyphen-client: /resume?client-secret={hyphen_client_secret}\n"
+                f"hyphen-access: /resume?Access-Token={hyphen_access_secret}\n"
+                f"hyphen-api: /resume?api-key={hyphen_api_secret}\n"
+                f"encoded-hyphen: /resume?client%2Dsecret={encoded_hyphen_secret}"
             ),
         )
 
@@ -118,8 +126,16 @@ def test_memory_context_is_strictly_redacted_before_summary_llm(monkeypatch):
     assert prefix_secret not in prompt
     assert query_secret not in prompt
     assert userinfo_value not in prompt
+    assert hyphen_client_secret not in prompt
+    assert hyphen_access_secret not in prompt
+    assert hyphen_api_secret not in prompt
+    assert encoded_hyphen_secret not in prompt
     assert "token=***" in prompt
     assert "https://user:***@example.test/private" in prompt
+    assert "client-secret=***" in prompt
+    assert "Access-Token=***" in prompt
+    assert "api-key=***" in prompt
+    assert "client%2Dsecret=***" in prompt
 
 
 def test_memory_context_reserved_markers_cannot_escape_data_frame():
diff --git a/tests/run_agent/test_pre_compress_memory_context.py b/tests/run_agent/test_pre_compress_memory_context.py
index 6704807e86..b5a33fa8c2 100644
--- a/tests/run_agent/test_pre_compress_memory_context.py
+++ b/tests/run_agent/test_pre_compress_memory_context.py
@@ -119,6 +119,10 @@ def test_provider_context_is_strictly_sanitized_before_plugin_engine(monkeypatch
     fragment_secret = "FRAG_SECRET"
     relative_secret = "REL_SECRET"
     encoded_key_secret = "ENC_SECRET"
+    hyphen_client_secret = "HYPHEN_CLIENT_SECRET"
+    hyphen_access_secret = "HYPHEN_ACCESS_SECRET"
+    hyphen_api_secret = "HYPHEN_API_SECRET"
+    encoded_hyphen_secret = "ENCODED_HYPHEN_SECRET"
     network_userinfo_secret = "NET_SECRET"
     manager = MagicMock()
     manager.on_pre_compress.return_value = (
@@ -128,6 +132,10 @@ def test_provider_context_is_strictly_sanitized_before_plugin_engine(monkeypatch
         f"fragment: https://x.test/#access_token={fragment_secret}&view=public\n"
         f"relative: /resume?token={relative_secret}&view=public\n"
         f"encoded: https://x.test/cb?client%5Fsecret={encoded_key_secret}&view=public\n"
+        f"hyphen-client: /resume?client-secret={hyphen_client_secret}&view=public\n"
+        f"hyphen-access: /resume?Access-Token={hyphen_access_secret}&view=public\n"
+        f"hyphen-api: /resume?api-key={hyphen_api_secret}&view=public\n"
+        f"encoded-hyphen: /resume?client%2Dsecret={encoded_hyphen_secret}&view=public\n"
         f"network: //user:{network_userinfo_secret}@x.test/path"
     )
     received = []
@@ -154,12 +162,20 @@ def test_provider_context_is_strictly_sanitized_before_plugin_engine(monkeypatch
     assert fragment_secret not in context
     assert relative_secret not in context
     assert encoded_key_secret not in context
+    assert hyphen_client_secret not in context
+    assert hyphen_access_secret not in context
+    assert hyphen_api_secret not in context
+    assert encoded_hyphen_secret not in context
     assert network_userinfo_secret not in context
     assert "access_token=***" in context
     assert "https://user:***@example.test/private" in context
     assert "https://x.test/#access_token=***&view=public" in context
     assert "/resume?token=***&view=public" in context
     assert "client%5Fsecret=***&view=public" in context
+    assert "client-secret=***&view=public" in context
+    assert "Access-Token=***&view=public" in context
+    assert "api-key=***&view=public" in context
+    assert "client%2Dsecret=***&view=public" in context
     assert "//user:***@x.test/path" in context