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MCP Server Comparison

AWS KB Retrieval MCP vs Memory MCP — Which MCP Tool is Better in 2026?

A side-by-side comparison of AWS KB Retrieval MCP and Memory MCP: features, pricing, platform support, ease of setup, and which MCP server fits your stack.

A

AWS KB Retrieval MCP

Query AWS Knowledge Base with AI

APIs & Data
3.9Open Source · Free
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M

Memory MCP

Give AI persistent memory across conversations

AI & LLM✦ Featured
4.2Open Source · Free
Visit Tool

Feature comparison

AWS KB Retrieval MCP
Memory MCP
Pricing model
Open Source
Open Source
Free tier
Available
Available
Starting price
$0
$0
Key features
  • aws
  • bedrock
  • rag
  • Auth helpers for common providers
  • Pagination and rate-limit handling
  • Endpoint allow-lists
  • memory
  • context
  • knowledge-graph
  • Multi-provider model access
  • Embeddings and similarity search
  • Vector store CRUD
Platform support
All Models
All Models
GitHub stars
32,100 ★
32,100 ★
Last updated
May 2026
May 2026
Ease of setup
Advanced
Easy
Best for
Query AWS Knowledge Base with AI
Give AI persistent memory across conversations
Community
64 upvotes
198 upvotes

Install AWS KB Retrieval MCP

$npx @modelcontextprotocol/server-aws-kb-retrieval

Install Memory MCP

$npx @modelcontextprotocol/server-memory

Our Verdict

AWS KB Retrieval MCP is better for apis & data use cases, while Memory MCP is better for ai & llm use cases and quick setup.

Both AWS KB Retrieval MCP and Memory MCP are solid MCP servers. Pick AWS KB Retrieval MCP if you need apis & data use cases. Pick Memory MCP if you need ai & llm use cases and quick setup.

Try AWS KB Retrieval MCP Try Memory MCP

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Frequently asked questions

Is AWS KB Retrieval MCP better than Memory MCP?

AWS KB Retrieval MCP is the stronger pick for apis & data workflows, while Memory MCP wins for ai & llm. There's no universal winner — it depends on your stack, budget, and which MCP clients you use.

What is the difference between AWS KB Retrieval MCP and Memory MCP?

AWS KB Retrieval MCP (Open Source) focuses on Query AWS Knowledge Base with AI. Memory MCP (Open Source) focuses on Give AI persistent memory across conversations. They also differ on ease of setup (Advanced vs Easy) and platform support.

Is AWS KB Retrieval MCP free?

AWS KB Retrieval MCP is Open Source (starting at Free).

Is Memory MCP free?

Memory MCP is Open Source (starting at Free).