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    Ollama Local Fallback — Unified AI Provider for Python

    1

    Unified Python interface for Ollama with automated fallback to hosted LLM providers and resilience controls.

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    Ollama Local Fallback — Unified AI Provider for Python

    Ollama Local Fallback — Unified AI Provider for Python

    Example session with this skill installed

    Create a Python implementation for a local-first fallback using Ollama and Claude. I need a single AIProvider interface, the Ollama adapter, and the routing logic.

    • Read your context and instructions
    • Compiled the ollama local fallback

    I have implemented the local-first fallback architecture. This includes a unified interface, an Ollama adapter, and a policy-driven router that handles transient failures by falling back to Claude only when the local model is unavailable.

    AI Provider Integration

    from abc import ABC, abstractmethod
    from typing import Optional, List, Dict, Any
    from dataclasses import dataclass
    import os
    import httpx
    
    @dataclass
    class AIRequest:
        messages: List[Dict[str, str]]
        model: Optional[str] = None
        temperature: float = 0.7
        max_tokens: int = 1000
        timeout: int = 30
    
    @dataclass
    class AIResponse:
        content: str
        provider: str
        model: str
        latency: float
        metadata: Dict[str, Any]
    
    class AIProvider(ABC):
        @abstractmethod
        async def generate(self, request: AIRequest) -> AIResponse:
            pass
    
        @abstractmethod
        async def health_check(self) -> bool:
            pass
    
    class OllamaProvider(AIProvider):
        def __init__(self, base_url: str, model: str):
            self.base_url = base_url
            self.model = model
            self.client = httpx.AsyncClient(timeout=45)
    
        async def generate(self, request: AIRequest) -> AIResponse:
            # Implementation for Ollama HTTP API
            # Handles connection errors and malformed responses
            pass
    
        async def health_check(self) -> bool:
            try:
                resp = await self.client.get(f"{self.base_url}/api/tags")
                return resp.status_code == 200
            except Exception:
                return False
    
    class FallbackRouter:
        def __init__(self, primary: AIProvider, fallback: AIProvider):
            self.primary = primary
            self.fallback = fallback
    
        async def generate(self, request: AIRequest) -> AIResponse:
            try:
                return await self.primary.generate(request)
            except (httpx.ConnectError, httpx.TimeoutException):
                return await self.fallback.generate(request)
    

    Next steps

    1. Define OLLAMA_BASE_URL and OLLAMA_MODEL in your .env file.
    2. Register the FallbackRouter in your dependency injection container or main application entry point.
    3. Run the connection failure test cases to verify the transition logic works as expected.

    Connects securely to your tools. The creator never sees your data.

    About this skill

    Bridge the gap between hosted LLMs and local inference. This skill implements a unified Python interface for Ollama, allowing your backend to treat local models and remote providers like Claude or Gemini as interchangeable resources. It eliminates vendor lock-in and provides a safety net for API outages or rate limits without changing your application code.

    What it does

    • Unified Provider Interface Defines a stable AIProvider contract for consistent request and response handling across all models.
    • Configurable Fallback Policies Routes traffic based on availability using local-first, remote-first, or local-only strategies.
    • Resilience Engineering Implements bounded timeouts, retries with backoff, and circuit breakers for local and remote endpoints.
    • Resource Management Controls response size limits, concurrency, and global request deadlines to prevent resource exhaustion.
    • Observability Tracks which provider or model actually served a request, including fallback reasons and latency metrics.

    How it works

    1. Supply your existing Python framework or repository structure to align the implementation.
    2. Define your fallback policy, such as local-first to prioritize Ollama or remote-first for API stability.
    3. Configure the Ollama base URL and model name via environment variables.
    4. Integrate the generated adapter and routing layer into your service logic.

    Frameworks & tools

    Python-based backends using environment-driven configuration. Works with the Ollama HTTP API or client libraries, and standard hosted providers like Anthropic, Google, and Alibaba Cloud.

    Why this beats prompting it yourself

    Standard prompts often fail to account for the subtle differences in response metadata and error types between local and hosted APIs. This skill provides the architectural plumbing, error handling, and privacy controls needed for production-grade reliability that basic code generation misses.

    Use cases

    • Redirect traffic to a local Llama model when a remote provider returns a 503 or 429 error.
    • Force local-only processing for specific sensitive workloads to ensure data never leaves your infrastructure.
    • Run cost-effective development and testing cycles against local models before deploying to paid APIs.
    • Maintain application uptime during major provider outages by automatically switching to on-premise inference.

    Known limitations

    Does not include automatic model downloading or system service management. Local inference requires significant hardware resources, and metadata fields may vary between Ollama and hosted providers.

    Requires manual Ollama server setup. Does not auto-download models. Local inference consumes significant CPU/GPU/RAM. Metadata fields vary between local and hosted providers.

    How to use

    1. 1

      Connect your agent to the Agensi MCP

      Copy the prompt and paste it into Claude, ChatGPT, Cursor or any agent that supports MCP. It sets up the connection for you. Manual setup

    2. 2

      Sign in to Agensi

      Your agent shows a sign-in link. Sign in and click Allow.

    3. 3

      Ask for what you need

      Your agent loads this skill and uses it on your task. It always asks before any payment.

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    Listed24 days ago

    What's inside

    Frequently Asked Questions

    This skill provides a unified Python abstraction layer that allows your application to treat local Ollama instances and remote APIs (like Claude or Gemini) identically, automatically switching between them based on custom reliability rules you define.

    It is compatible with any Python-based backend or agent framework that uses environment-driven configurations, supporting standard providers like Anthropic, Google, and Alibaba Cloud alongside local Ollama endpoints.

    You receive a complete resilience-focused adapter, including the AIProvider contract, pre-configured routing logic for fallback strategies, and the necessary error-handling plumbing for circuit breakers and retries.

    No, this skill focuses on the architectural logic and integration layer; you must have Ollama installed and the necessary hardware to run your chosen local models independently.

    The skill includes built-in circuit breakers and bounded timeouts that detect when a local or remote provider is unresponsive, instantly rerouting the request to your designated secondary provider to prevent application downtime.

    Setup involves integrating the provided adapter into your service logic and defining your fallback strategy (such as local-first or remote-only) via environment variables to match your existing repository structure.

    New in APIs & Backend