feat: enable/disable LLM providers

Add a toggle switch to each provider card. Disabled providers are excluded from the model list. Includes backend DB column, API changes, frontend UI, and Tailwind v4 fix for the Switch component styling.

Author: guenhter

backend/omni/CHANGELOG.md

@@ -5,6 +5,13 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [Unreleased]
+
+### Added
+
+- `enabled` field on `ModelProvider`
+- `GET /api/models` now skips providers where `enabled=False`, so only active providers contribute models to the aggregated list.
+
 ## [0.0.3] - 2026-04-28
 
 ### Added

backend/omni/src/modai/modules/chat/__tests__/test_chat_llm_modules.py

@@ -1227,6 +1227,7 @@ def _make_provider(
         name=name,
         base_url=base_url,
         api_key=api_key,
+        enabled=True,
         properties={},
         created_at=None,
         updated_at=None,
@@ -1240,6 +1241,7 @@ def _real_provider() -> ModelProviderResponse:
         name="myopenai",
         base_url=os.environ.get("OPENAI_BASE_URL", "https://api.openai.com/v1"),
         api_key=os.environ.get("UNIT_TEST_OPENAI_API_KEY", ""),
+        enabled=True,
         properties={},
         created_at=None,
         updated_at=None,

backend/omni/src/modai/modules/model_provider/__tests__/test_central_model_provider_router.py

@@ -73,6 +73,7 @@ def mock_provider_modules(self):
             name="OpenAI Production",
             base_url="https://api.openai.com/v1",
             api_key="sk-...",
+            enabled=True,
             properties={},
             created_at="2024-01-15T10:30:00Z",
             updated_at="2024-01-15T10:30:00Z",
@@ -106,6 +107,7 @@ def mock_provider_modules(self):
             name="Local Ollama",
             base_url="http://localhost:11434",
             api_key="",
+            enabled=True,
             properties={},
             created_at="2024-01-16T14:20:00Z",
             updated_at="2024-01-16T14:20:00Z",
@@ -203,6 +205,49 @@ def test_get_all_models_endpoint(self, test_client):
             assert "created" in model
             assert "owned_by" in model
 
+    def test_get_all_models_excludes_disabled_providers(self, mock_session_module):
+        """Test GET /models does not return models from disabled providers."""
+        disabled_provider = ModelProviderResponse(
+            id="openai-disabled",
+            type="openai",
+            name="Disabled Provider",
+            base_url="https://api.disabled.com/v1",
+            api_key="sk-disabled",
+            enabled=False,
+            properties={},
+            created_at="2024-01-15T10:30:00Z",
+            updated_at="2024-01-15T10:30:00Z",
+        )
+        disabled_models = ModelResponse(
+            data=[
+                {
+                    "id": "gpt-secret",
+                    "object": "model",
+                    "created": 1686935002,
+                    "owned_by": "openai",
+                }
+            ]
+        )
+        disabled_module = DummyModelProviderModule(
+            "openai", [disabled_provider], {"openai-disabled": disabled_models}
+        )
+
+        dependencies = ModuleDependencies(
+            {"disabled_provider": disabled_module, "session": mock_session_module}
+        )
+        router = CentralModelProviderRouter(dependencies, config={})
+        app = FastAPI()
+        app.include_router(router.router)
+        client = TestClient(app)
+
+        response = client.get("/api/models")
+
+        assert response.status_code == 200
+        data = response.json()
+        model_ids = [m["id"] for m in data["data"]]
+        assert not any("gpt-secret" in mid for mid in model_ids)
+        assert data["data"] == []
+
     def test_get_all_providers_with_pagination(self, test_client):
         """Test GET /api/models/providers with pagination"""
         response = test_client.get("/api/models/providers?limit=1&offset=0")

backend/omni/src/modai/modules/model_provider/__tests__/test_model_provider.py

@@ -224,6 +224,7 @@ def test_create_provider(
             name="NewProvider",
             url="https://api.new.com",
             properties=expected_properties,
+            enabled=False,
         )
 
     def test_create_provider_validation_error(
@@ -295,6 +296,7 @@ def test_update_provider(
             name="UpdatedProvider",
             url="https://api.updated.com",
             properties=expected_properties,
+            enabled=None,
         )
 
     def test_update_provider_not_found(
@@ -379,6 +381,7 @@ def test_complex_properties_handling(
             name="ComplexProvider",
             url="https://api.complex.com",
             properties=expected_properties,
+            enabled=False,
         )
 
     @pytest.mark.skipif(

backend/omni/src/modai/modules/model_provider/central_router.py

@@ -146,8 +146,10 @@ async def get_all_models(self, request: Request) -> ModelsListResponse:
                     request, limit=None, offset=None
                 )
 
-                # For each provider, get its models
+                # For each provider, get its models (only enabled ones)
                 for provider in providers_response.providers:
+                    if not provider.enabled:
+                        continue
                     try:
                         models_response = await provider_module.get_models(
                             request, provider.id

backend/omni/src/modai/modules/model_provider/module.py

@@ -19,6 +19,7 @@ class ModelProviderResponse(BaseModel):
     name: str
     base_url: str
     api_key: str
+    enabled: bool
     properties: dict[str, Any]
     created_at: str | None
     updated_at: str | None
@@ -30,6 +31,7 @@ class ModelProviderCreateRequest(BaseModel):
     name: str
     base_url: str
     api_key: str
+    enabled: bool | None = None
     properties: dict[str, Any] = {}
 
 

backend/omni/src/modai/modules/model_provider/openai_provider.py

@@ -95,11 +95,12 @@ async def create_provider(
             properties = (provider_data.properties or {}).copy()
             properties["api_key"] = provider_data.api_key
 
-            # Create new provider
+            # Create new provider (disabled by default)
             provider = await self.provider_store.add_provider(
                 name=provider_data.name,
                 url=provider_data.base_url,
                 properties=properties,
+                enabled=False,
             )
 
             return self._create_provider_response(provider)
@@ -129,6 +130,7 @@ async def update_provider(
                 name=provider_data.name,
                 url=provider_data.base_url,
                 properties=properties,
+                enabled=provider_data.enabled,
             )
             if not provider:
                 raise HTTPException(
@@ -208,6 +210,7 @@ def _create_provider_response(
             name=provider.name,
             base_url=provider.url,
             api_key=api_key,
+            enabled=provider.enabled,
             properties=properties,
             created_at=provider.created_at.isoformat() if provider.created_at else None,
             updated_at=provider.updated_at.isoformat() if provider.updated_at else None,

backend/omni/src/modai/modules/model_provider_store/module.py

@@ -21,6 +21,7 @@ class ModelProvider:
     name: str
     url: str
     properties: dict[str, Any]
+    enabled: bool = False
     created_at: datetime | None = None
     updated_at: datetime | None = None
 
@@ -67,14 +68,15 @@ async def get_provider(self, provider_id: str) -> ModelProvider | None:
 
     @abstractmethod
     async def add_provider(
-        self, name: str, url: str, properties: dict[str, Any]
+        self, name: str, url: str, properties: dict[str, Any], enabled: bool = False
     ) -> ModelProvider:
         """
         Adds a new model provider configuration.
         Args:
             name: Human-readable name for the provider
             url: API endpoint URL for the provider
             properties: Configuration properties specific to the provider
+            enabled: Whether the provider is active (default: False)
 
         Returns:
             Created ModelProvider object
@@ -91,6 +93,7 @@ async def update_provider(
         name: str,
         url: str,
         properties: dict[str, Any],
+        enabled: bool | None = None,
     ) -> ModelProvider | None:
         """
         Updates an existing model provider configuration.
@@ -100,6 +103,7 @@ async def update_provider(
             name: New name for the provider (optional)
             url: New URL for the provider (optional)
             properties: New properties for the provider (optional)
+            enabled: Whether the provider is active (None = keep current)
 
         Returns:
             Updated ModelProvider object if found, None otherwise

backend/omni/src/modai/modules/model_provider_store/sql_model_provider_store.py

@@ -9,6 +9,7 @@
 import json
 
 from sqlalchemy import (
+    Boolean,
     create_engine,
     MetaData,
     Table,
@@ -58,6 +59,9 @@ def __init__(self, dependencies: ModuleDependencies, config: dict[str, Any]):
             Column("name", String(128), unique=True, index=True),
             Column("url", String(1000)),
             Column("properties", JSON),
+            Column(
+                "enabled", Boolean, default=False, nullable=False, server_default="0"
+            ),
             Column("created_at", DateTime, default=datetime.now),
             Column("updated_at", DateTime, default=datetime.now),
         )
@@ -85,6 +89,7 @@ def _row_to_provider(self, row) -> ModelProvider:
             name=row.name,
             url=row.url,
             properties=properties,
+            enabled=bool(row.enabled) if row.enabled is not None else False,
             created_at=row.created_at,
             updated_at=row.updated_at,
         )
@@ -131,7 +136,7 @@ async def get_provider(self, provider_id: str) -> ModelProvider | None:
             return None
 
     async def add_provider(
-        self, name: str, url: str, properties: dict[str, Any]
+        self, name: str, url: str, properties: dict[str, Any], enabled: bool = False
     ) -> ModelProvider:
         provider_id = self._generate_provider_id()
         with self._get_session() as session:
@@ -146,6 +151,7 @@ async def add_provider(
                 name=name.strip(),
                 url=url.strip(),
                 properties=properties,
+                enabled=enabled,
                 created_at=now,
                 updated_at=now,
             )
@@ -159,6 +165,7 @@ async def add_provider(
                 name=name.strip(),
                 url=url.strip(),
                 properties=properties,
+                enabled=enabled,
                 created_at=now,
                 updated_at=now,
             )
@@ -169,6 +176,7 @@ async def update_provider(
         name: str,
         url: str,
         properties: dict[str, Any],
+        enabled: bool | None = None,
     ) -> ModelProvider | None:
         with self._get_session() as session:
             # Check if provider exists first
@@ -185,6 +193,7 @@ async def update_provider(
                 properties = {}
 
             now = datetime.now()
+            new_enabled = enabled if enabled is not None else bool(existing_row.enabled)
 
             # Update the provider
             update_stmt = (
@@ -194,6 +203,7 @@ async def update_provider(
                     name=name.strip(),
                     url=url.strip(),
                     properties=properties,
+                    enabled=new_enabled,
                     updated_at=now,
                 )
             )
@@ -207,6 +217,7 @@ async def update_provider(
                 name=name.strip(),
                 url=url.strip(),
                 properties=properties,
+                enabled=new_enabled,
                 created_at=existing_row.created_at,
                 updated_at=now,
             )

frontend/omni/CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Added
+
+- LLM provider management: each provider card now has a toggle switch to enable or disable the provider. Disabled providers are hidden from the model selection list.
+
 ### Changed
 
 - The sidebar is now resizable.