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pulsemcp/mcp-servers

Connects to AWS S3 or any S3-compatible storage endpoint (like MinIO or Backblaze B2) to manage buckets and objects through MCP. You get fine-grained control over which S3 operations are exposed as tools, so you can limit an agent to read-only access or specific bucket operations without opening up your entire S3 account. Built by PulseMCP as an experimental server, meaning they'll maintain it unless AWS ships something better. Requires AWS credentials and supports the standard S3 operations you'd expect: creating buckets, uploading and downloading objects, listing contents, managing permissions. Reach for this when you need an AI agent to interact with S3 storage as part of a larger workflow.

auth
Secret needed
transport
STDIO
env vars
10
last updated
Jun 14, 2026
View on GitHub

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Configuration

AWS_ACCESS_KEY_ID*secret

AWS access key ID for authentication.

AWS_SECRET_ACCESS_KEY*secret

AWS secret access key for authentication.

AWS_REGIONdefault: us-east-1

AWS region for S3 operations.

AWS_ENDPOINT_URL

Custom S3 endpoint URL for MinIO or S3-compatible services.

S3_FORCE_PATH_STYLEdefault: false

Use path-style addressing instead of virtual-hosted-style.

S3_BUCKET

Constrain all operations to a single bucket.

S3_ENABLED_TOOLGROUPS

Comma-separated tool groups: readonly or readwrite.

S3_ENABLED_TOOLS

Whitelist specific tools by name.

S3_DISABLED_TOOLS

Blacklist specific tools by name.

SKIP_HEALTH_CHECKSdefault: false

Skip AWS credential validation health checks at startup.

Readme

PulseMCP's MCP Servers

We build reliable servers thoughtfully designed for MCP Client-powered workflows.

Design principles

You can have confidence that any Pulse-branded MCP server was built with these north stars in mind:

View the full README on GitHub

Details

Repository
github.com/pulsemcp/mcp-servers
Category
Cloud & Infrastructure
Package
s3-aws-mcp-server
Transport
STDIO
Auth
Required
Registry
MCP registry, active

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