diff --git a/hermes_cli/doctor.py b/hermes_cli/doctor.py
index 064b1d68d..58b008d87 100644
--- a/hermes_cli/doctor.py
+++ b/hermes_cli/doctor.py
@@ -29,6 +29,7 @@ if _env_path.exists():
 load_dotenv(PROJECT_ROOT / ".env", override=False, encoding="utf-8")
 
 from hermes_cli.colors import Colors, color
+from hermes_cli.models import _HERMES_USER_AGENT
 from hermes_constants import OPENROUTER_MODELS_URL
 from utils import base_url_host_matches
 
@@ -957,7 +958,10 @@ def run_doctor(args):
                 if base_url_host_matches(_base, "api.kimi.com") and _base.rstrip("/").endswith("/coding"):
                     _base = _base.rstrip("/") + "/v1"
                 _url = (_base.rstrip("/") + "/models") if _base else _default_url
-                _headers = {"Authorization": f"Bearer {_key}"}
+                _headers = {
+                    "Authorization": f"Bearer {_key}",
+                    "User-Agent": _HERMES_USER_AGENT,
+                }
                 if base_url_host_matches(_base, "api.kimi.com"):
                     _headers["User-Agent"] = "claude-code/0.1.0"
                 _resp = httpx.get(
diff --git a/hermes_cli/models.py b/hermes_cli/models.py
index b7c4bccf1..856ba9b8b 100644
--- a/hermes_cli/models.py
+++ b/hermes_cli/models.py
@@ -1110,7 +1110,10 @@ def fetch_models_with_pricing(
         return _pricing_cache[cache_key]
 
     url = cache_key.rstrip("/") + "/v1/models"
-    headers: dict[str, str] = {"Accept": "application/json"}
+    headers: dict[str, str] = {
+        "Accept": "application/json",
+        "User-Agent": _HERMES_USER_AGENT,
+    }
     if api_key:
         headers["Authorization"] = f"Bearer {api_key}"
 
@@ -2241,7 +2244,10 @@ def _fetch_ai_gateway_models(timeout: float = 5.0) -> Optional[list[str]]:
         base_url = AI_GATEWAY_BASE_URL
 
     url = base_url.rstrip("/") + "/models"
-    headers: dict[str, str] = {"Authorization": f"Bearer {api_key}"}
+    headers: dict[str, str] = {
+        "Authorization": f"Bearer {api_key}",
+        "User-Agent": _HERMES_USER_AGENT,
+    }
     req = urllib.request.Request(url, headers=headers)
     try:
         with urllib.request.urlopen(req, timeout=timeout) as resp:
diff --git a/run_agent.py b/run_agent.py
index 3640dd692..97b934e1e 100644
--- a/run_agent.py
+++ b/run_agent.py
@@ -664,6 +664,15 @@ def _sanitize_structure_non_ascii(payload: Any) -> bool:
 _QWEN_CODE_VERSION = "0.14.1"
 
 
+def _routermint_headers() -> dict:
+    """Return the User-Agent RouterMint needs to avoid Cloudflare 1010 blocks."""
+    from hermes_cli import __version__ as _HERMES_VERSION
+
+    return {
+        "User-Agent": f"HermesAgent/{_HERMES_VERSION}",
+    }
+
+
 def _qwen_portal_headers() -> dict:
     """Return default HTTP headers required by Qwen Portal API."""
     import platform as _plat
@@ -1180,6 +1189,8 @@ class AIAgent:
                         "X-OpenRouter-Title": "Hermes Agent",
                         "X-OpenRouter-Categories": "productivity,cli-agent",
                     }
+                elif base_url_host_matches(effective_base, "api.routermint.com"):
+                    client_kwargs["default_headers"] = _routermint_headers()
                 elif base_url_host_matches(effective_base, "api.githubcopilot.com"):
                     from hermes_cli.models import copilot_default_headers
 
@@ -5097,6 +5108,8 @@ class AIAgent:
             self._client_kwargs["default_headers"] = dict(_OR_HEADERS)
         elif base_url_host_matches(base_url, "ai-gateway.vercel.sh"):
             self._client_kwargs["default_headers"] = dict(_AI_GATEWAY_HEADERS)
+        elif base_url_host_matches(base_url, "api.routermint.com"):
+            self._client_kwargs["default_headers"] = _routermint_headers()
         elif base_url_host_matches(base_url, "api.githubcopilot.com"):
             from hermes_cli.models import copilot_default_headers
 
diff --git a/tests/run_agent/test_provider_attribution_headers.py b/tests/run_agent/test_provider_attribution_headers.py
index a2c543ee7..cf9d8bb8f 100644
--- a/tests/run_agent/test_provider_attribution_headers.py
+++ b/tests/run_agent/test_provider_attribution_headers.py
@@ -47,6 +47,24 @@ def test_ai_gateway_base_url_applies_attribution_headers(mock_openai):
     assert headers["User-Agent"].startswith("HermesAgent/")
 
 
+@patch("run_agent.OpenAI")
+def test_routermint_base_url_applies_user_agent_header(mock_openai):
+    mock_openai.return_value = MagicMock()
+    agent = AIAgent(
+        api_key="test-key",
+        base_url="https://api.routermint.com/v1",
+        model="test/model",
+        quiet_mode=True,
+        skip_context_files=True,
+        skip_memory=True,
+    )
+
+    agent._apply_client_headers_for_base_url("https://api.routermint.com/v1")
+
+    headers = agent._client_kwargs["default_headers"]
+    assert headers["User-Agent"].startswith("HermesAgent/")
+
+
 @patch("run_agent.OpenAI")
 def test_unknown_base_url_clears_default_headers(mock_openai):
     mock_openai.return_value = MagicMock()