feat(model): adding ollama local (#575)

## 📝 Pull Request Template

### 1. Related Issue
#270

### 2. Type of Change (select one)
New Feature

### 3. Description
Adding option to use local ollama as model provider.

### 4. Testing
- [x] I have tested this locally.
- [x] I have updated or added relevant tests.

### 5. Checklist
- [x] I have read the [Code of Conduct](./CODE_OF_CONDUCT.md)
- [x] I have followed the [Contributing Guidelines](./CONTRIBUTING.md)
- [x] My changes follow the project's coding style

Author: talkenigs

frontend/src/assets/png/index.ts

@@ -37,6 +37,7 @@ export { default as AzurePng } from "./model-providers/azure.png";
 export { default as DashScopePng } from "./model-providers/dashscope.png";
 export { default as DeepSeekPng } from "./model-providers/deepseek.png";
 export { default as GooglePng } from "./model-providers/google.png";
+export { default as OllamaPng } from "./model-providers/ollama.png";
 export { default as OpenAiPng } from "./model-providers/openai.png";
 export { default as OpenAiCompatiblePng } from "./model-providers/openai-compatible.png";
 export { default as OpenRouterPng } from "./model-providers/openrouter.png";

frontend/src/assets/png/model-providers/ollama.png

@@ -10,6 +10,7 @@ import {
   HyperliquidPng,
   MexcPng,
   OkxPng,
+  OllamaPng,
   OpenAiCompatiblePng,
   OpenAiPng,
   OpenRouterPng,
@@ -26,6 +27,7 @@ export const MODEL_PROVIDER_ICONS = {
   google: GooglePng,
   azure: AzurePng,
   dashscope: DashScopePng,
+  ollama: OllamaPng,
 };
 
 export const EXCHANGE_ICONS = {

frontend/src/constants/icons.ts

@@ -50,6 +50,9 @@ models:
     dashscope:
       config_file: "providers/dashscope.yaml"
       api_key_env: "DASHSCOPE_API_KEY"
+    
+    ollama:
+      config_file: "providers/ollama.yaml"
 
 # Agent Configuration
 agents:

python/configs/config.yaml

@@ -0,0 +1,7 @@
+name: Ollama
+provider_type: Ollama
+enabled: true
+default_model: qwen3:4b
+models:
+- id: qwen3:4b
+  name: qwen3:4b

python/configs/providers/ollama.yaml

@@ -19,7 +19,7 @@ dependencies = [
     "yfinance>=0.2.65",
     "requests>=2.32.5",
     "akshare>=1.17.87",
-    "agno[openai, google, lancedb]>=2.0,<3.0",
+    "agno[openai, google, lancedb, ollama]>=2.0,<3.0",
     "edgartools>=4.12.2",
     "sqlalchemy>=2.0.43",
     "aiosqlite>=0.19.0",

python/pyproject.toml

@@ -26,6 +26,7 @@
     GoogleProvider,
     ModelFactory,
     ModelProvider,
+    OllamaProvider,
     OpenAICompatibleProvider,
     OpenAIProvider,
     OpenRouterProvider,
@@ -49,6 +50,7 @@
     "SiliconFlowProvider",
     "DeepSeekProvider",
     "DashScopeProvider",
+    "OllamaProvider",
     # Convenience functions
     "create_model",
     "create_model_for_agent",

python/uv.lock

@@ -564,6 +564,29 @@ def create_embedder(self, model_id: Optional[str] = None, **kwargs):
         )
 
 
+class OllamaProvider(ModelProvider):
+    """Ollama model provider"""
+
+    def create_model(self, model_id: Optional[str] = None, **kwargs):
+        """Create Ollama model via agno"""
+        try:
+            from agno.models.ollama import Ollama
+        except ImportError:
+            raise ImportError(
+                "agno package not installed, install with: pip install agno"
+            )
+
+        model_id = model_id or self.config.default_model
+
+        logger.info(f"Creating Ollama model: {model_id}")
+
+        return Ollama(id=model_id)
+
+    def is_available(self) -> bool:
+        """Ollama doesn't require API key, just needs host configured"""
+        return bool(self.config.parameters.get("host"))
+
+
 class ModelFactory:
     """
     Factory for creating model instances with provider abstraction
@@ -585,6 +608,7 @@ class ModelFactory:
         "openai-compatible": OpenAICompatibleProvider,
         "deepseek": DeepSeekProvider,
         "dashscope": DashScopeProvider,
+        "ollama": OllamaProvider,
     }
 
     def __init__(self, config_manager: Optional[ConfigManager] = None):

python/valuecell/adapters/models/__init__.py

@@ -135,6 +135,7 @@ def primary_provider(self) -> str:
                     "openai",
                     "openai-compatible",
                     "azure",
+                    "ollama",
                 ]
 
                 for preferred in preferred_order: