LangGraph vs Model Context Protocol

Both are in our Agent frameworks & MCP tier list: LangGraph is A-tier and Model Context Protocol is S-tier.

No editor verdict yet. This page shows the data side by side; the tiers come from our Agent frameworks & MCP tier list.

LangGraph vs Model Context Protocol, side by side
Field	LangGraph	Model Context Protocol
Tier	A	S
Why this tier	It gives you control and persistence for production agents. It takes time to learn, which keeps it at A-tier.	It is a standard rather than a product, and many major agents support it. That makes it worth learning, and S-tier.
Best for	Production agents that need control and persistence Stateful agent orchestration	Connecting AI apps to tools and data Learning a standard many major agents support
Skip if	You want to prototype quickly (see CrewAI) You don't want a learning curve	You're looking for a finished product rather than a standard Your agent or app doesn't support MCP yet
Free tier	Yes: LangSmith Developer plan: $0, 1 seat, up to 5k base traces a month (the LangGraph library itself is MIT-licensed) (source: www.langchain.com/pricing, checked 17 Oct 2026)	Yes: Open protocol and SDKs (Apache-2.0, older contributions MIT); free to use (source: github.com/modelcontextprotocol/modelcontextprotocol, checked 20 Oct 2026)
Key facts	Open source: yes (MIT)	Open source: yes (Apache-2.0 and MIT)
Last checked	16 Oct 2026	16 Oct 2026
Tier history	A since 14 Oct 2026: Initial ranking at launch	S since 14 Oct 2026: Initial ranking at launch

Tools last checked 16 Oct 2026. Tiers are editorial opinion: how we rank · More Agent frameworks & MCP comparisons · All comparisons