Claude Agent SDK vs Model Context Protocol

A side-by-side look at pricing, capabilities, pros, cons, and our editorial scores.

	Claude Agent SDK Agents	Model Context Protocol Agents
Tagline	Anthropic's official SDK for building autonomous Claude agents.	Open standard that lets AI apps plug into data sources, tools, and workflows like USB-C for LLMs.
Category	Agents	Agents
Pricing	Free· Free SDK; API usage billed at Claude rates	Free· Free and open source (MIT)
Model	Claude Opus / Sonnet	Model-agnostic
Editorial score	8.6 / 10	—
Use cases	Claude agentstool useproduction	agent-toolingide-integrationsenterprise-chatbotsdata-source-connectorsworkflow-automation
Pros	Official, well-tested abstractions Same primitives as Claude Code Strong tool-use ergonomics TypeScript + Python SDKs	Vendor-neutral standard backed by Anthropic, OpenAI, Microsoft, and major IDE vendors Huge and growing library of community-built servers for common tools and data sources Official SDKs in TypeScript, Python, Kotlin, Swift, C#, and Rust Works with both local stdio and remote HTTP/SSE transports Decouples tool integration from any specific model or host
Cons	Claude-only Newer than LangGraph/CrewAI	It's a protocol, not a product — you still need a client and servers to do anything useful Spec and SDKs still evolve quickly; expect occasional breaking changes Auth, sandboxing, and permissioning are largely left to the implementer Discovery and trust of third-party servers is still an unsolved UX problem
Website	docs.claude.com	modelcontextprotocol.io

Pick Claude Agent SDK if

Pick Model Context Protocol if

✅ Vendor-neutral standard backed by Anthropic, OpenAI, Microsoft, and major IDE vendors
✅ Huge and growing library of community-built servers for common tools and data sources
✅ Official SDKs in TypeScript, Python, Kotlin, Swift, C#, and Rust
✅ Works with both local stdio and remote HTTP/SSE transports