Langchain Snowflake

Langchain / Langgraph integration for Snowflake Cortex AI. Native support for chat models, tools, and retrieval with production-ready authentication.

Features

Core Capabilities

• Chat Models - Native Snowflake Cortex LLM support (Claude, Llama, Mistral, GPT-4)
• Tool Calling - Standard LangChain tool binding with Snowflake Cortex functions
• Structured Output - Pydantic and JSON schema support
• Streaming - Real-time response streaming for better UX

Snowflake Cortex AI Integration

• Cortex Search - Semantic search with relevance scoring
• Cortex Analyst - Natural language to SQL via semantic models
• Cortex Agents - Managed agent orchestration with thread management
• Cortex Complete - Text generation and completion

Production Ready

• Multiple Authentication - Password, PAT, Key Pair, SSO
• Async/Await Support - High-performance async operations
• Error Handling - Comprehensive error recovery
• LangSmith Integration - Built-in observability and tracing
• 50+ Tests - Comprehensive test coverage

Installation

pip install langchain-snowflake

LangSmith Tracing

export LANGCHAIN_TRACING_V2=true
export LANGCHAIN_API_KEY=your-langsmith-api-key
export LANGCHAIN_PROJECT=snowflake-cortex

Documentation

• Getting Started
• Snowflake Workflows
• Advanced Patterns
• MCP Integration
• RAG Quickstart
• Multi-Agent Quickstart - coming soon

Contributing

We welcome contributions! See Development.md for setup and guidelines.

License

MIT License - see LICENSE for details

Support

• Check documentation notebooks in docs/
• Report issues on GitHub Issues