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Example code of livenetworks/ln-ai-bridge

Informations about the package ln-ai-bridge

LN AI Bridge

AI provider abstraction layer for Laravel. Unified interface for Claude, OpenAI, and custom providers — direct Guzzle HTTP, no external SDKs.

Installation

Configuration

Add to your .env:

Quick Start

Single request

With context injection

Context pairs are injected as XML tags into the prompt:

Explicit provider

Conversations

Multi-turn conversations with persistent history, automatic summarization, and usage tracking:

All messages are persisted to the database. History is automatically loaded and included with each request.

Manual history (without ConversationManager)

For apps that manage their own message storage:

Conversation with context binding

Summarization

When a conversation exceeds the configured message threshold, older messages are automatically summarized via an AI call. The summary replaces the old messages in context, keeping the conversation within token limits.

Configure in config/ai-bridge.php:

Tool Use (Function Calling)

The AI can request data from the backend via tools. Tool calls are executed automatically — the caller receives only the final text response.

1. Define tools in the request

2. Implement a tool executor

3. Register executors

Multiple tools in one request

Usage Tracking

Every AI request is automatically logged to ai_usage_log with input/output token counts, provider, and model. Query aggregated usage per tenant or user:

Pass tenant/user context for tracking on direct send() calls:

Disable tracking in .env:

Adding Custom Providers

1. Create the provider class extending AbstractProvider:

2. Register it in a service provider:

3. Add config to config/ai-bridge.php providers array:

Configuration Reference

Key Default Description
ai-bridge.default claude Default provider
ai-bridge.providers.claude.api_key — Anthropic API key
ai-bridge.providers.claude.model claude-sonnet-4-20250514 Claude model
ai-bridge.providers.claude.base_url https://api.anthropic.com Claude API base URL
ai-bridge.providers.claude.version 2023-06-01 Anthropic API version
ai-bridge.providers.openai.api_key — OpenAI API key
ai-bridge.providers.openai.model gpt-4o OpenAI model
ai-bridge.providers.openai.base_url https://api.openai.com OpenAI API base URL
ai-bridge.logging false Enable request/response logging
ai-bridge.defaults.temperature 0.4 Default temperature
ai-bridge.defaults.max_tokens 8192 Default max tokens
ai-bridge.defaults.timeout 60 HTTP timeout (seconds)
ai-bridge.conversation.summarize_threshold 20 Messages before auto-summarization
ai-bridge.conversation.keep_recent 6 Recent messages to keep unsummarized
ai-bridge.conversation.summary_max_tokens 500 Max tokens for summary
ai-bridge.usage.tracking_enabled true Enable usage tracking
ai-bridge.retry.enabled true Enable automatic retry
ai-bridge.retry.max_retries 3 Max retry attempts
ai-bridge.retry.base_delay_ms 1000 Base delay in milliseconds
ai-bridge.retry.multiplier 2 Exponential backoff multiplier
ai-bridge.retry.retryable_codes [429,500,502,503,529] HTTP status codes to retry

Retry

API requests are automatically retried on transient failures with exponential backoff. The caller receives only the final response — retries are transparent.

Configure in config/ai-bridge.php:

Disable via .env:

License

MIT License — Live Networks DOOEL.

All versions of ln-ai-bridge with dependencies

PHP Build Version
Package Version
Requires php Version ^8.3
illuminate/support Version ^11.0|^12.0
illuminate/database Version ^11.0|^12.0
illuminate/http Version ^11.0|^12.0
guzzlehttp/guzzle Version ^7.8
Composer command for our command line client (download client) This client runs in each environment. You don't need a specific PHP version etc. The first 20 API calls are free. Standard composer command

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