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MCP Server Comparison

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

A side-by-side comparison of AWS KB Retrieval MCP and Filesystem 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
Visit Tool
F

Filesystem MCP

Let AI read and write files on your local system

File System✓ Verified✦ Featured
4.7Open Source · Free
Visit Tool

Feature comparison

AWS KB Retrieval MCP
Filesystem 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
  • files
  • local
  • io
  • Path-scoped read and write
  • Diff-style previews before writes
  • Directory listing and search
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
Let AI read and write files on your local system
Community
64 upvotes
521 upvotes

Install AWS KB Retrieval MCP

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

Install Filesystem MCP

$npx @modelcontextprotocol/server-filesystem

Our Verdict

AWS KB Retrieval MCP is better for apis & data use cases, while Filesystem MCP is better for file system use cases and quick setup.

Both AWS KB Retrieval MCP and Filesystem MCP are solid MCP servers. Pick AWS KB Retrieval MCP if you need apis & data use cases. Pick Filesystem MCP if you need file system use cases and quick setup.

Try AWS KB Retrieval MCP Try Filesystem MCP

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Frequently asked questions

Is AWS KB Retrieval MCP better than Filesystem MCP?

AWS KB Retrieval MCP is the stronger pick for apis & data workflows, while Filesystem MCP wins for file system. 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 Filesystem MCP?

AWS KB Retrieval MCP (Open Source) focuses on Query AWS Knowledge Base with AI. Filesystem MCP (Open Source) focuses on Let AI read and write files on your local system. 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 Filesystem MCP free?

Filesystem MCP is Open Source (starting at Free).