langchain hub
About LangChain Hub
Community prompt and chain repository integrated with LangSmith. LangChain Hub lets developers discover, share, and version-control prompt templates, agent configurations, and chain definitions: a prompt registry that connects directly to the LangChain ecosystem for rapid AI prototyping.
Key Capabilities
Community-curated prompt templates, discover and fork prompts for common AI patterns
Version-controlled prompt registry with commit history and rollback
Direct integration with LangChain and LangSmith, pull prompts into your chain with one line of code
Agent configurations and chain definitions alongside prompt templates
Standout Features
Community Prompt Library
Browse and fork community-contributed prompt templates for RAG, agents, classification, extraction, and other common AI patterns.
Version-Controlled Prompts
Full commit history for prompt templates with diffing, rollback, and branch-based iteration.
LangChain Integration
Pull prompts directly into LangChain applications with hub.pull(), one line of code connects your app to the registry.
Perfect for
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