MCP vs LangChain for Tool Integration
MCP for portable cross-model tool definitions; LangChain for comprehensive framework.
Model Context Protocol (MCP)
The open protocol that standardised tool connections for LLM agents. Now an industry standard.
Use this when
Multi-model tool portability, ecosystem adoption, open standard.
Full profile →LangChain
The framework that defined agent chaining before 'agent' was a product category.
Use this when
Comprehensive integration library, existing LangChain codebase.
Full profile →Cost comparison
MCP free; LangChain free + LangSmith $39-$299/mo.