S3 MCP Server
by samuraikun
An Amazon S3 Model Context Protocol (MCP) server that provides tools for interacting with S3 buckets and objects. This server allows Large Language Models (LLMs) like Claude to interact with AWS S3 storage.
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What is S3 MCP Server?
This MCP server provides a secure and standardized way for Large Language Models (LLMs) to interact with AWS S3 storage. It offers tools for listing buckets, listing objects within buckets, and retrieving object contents.
How to use S3 MCP Server?
- Install the server using npm or by cloning the repository. 2. Configure AWS credentials and S3 access using environment variables (AWS_REGION, S3_BUCKETS, AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY). 3. Run the server using Node.js. 4. Configure Claude Desktop to connect to the server by adding it to the
mcpServersconfiguration with the appropriate command, arguments, and environment variables.
Key features of S3 MCP Server
Lists available S3 buckets
Lists objects within a bucket
Retrieves object contents (text and binary)
Secure and standardized interface for LLMs
Configurable S3 bucket access
Use cases of S3 MCP Server
Allowing Claude to access and summarize documents stored in S3
Enabling LLMs to retrieve data from S3 for analysis
Providing a controlled interface for LLMs to manage S3 objects
Integrating S3 storage with AI-powered applications
FAQ from S3 MCP Server
What is the purpose of the S3_BUCKETS environment variable?
What is the purpose of the S3_BUCKETS environment variable?
It specifies a comma-separated list of S3 buckets that the server is allowed to access, limiting the scope of operations.
How do I configure AWS credentials?
How do I configure AWS credentials?
You can configure them either through environment variables (AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY) or by using the default AWS credentials file.
What kind of files can be retrieved?
What kind of files can be retrieved?
Text files are returned as plain text, while binary files are returned with limited details, including the content type and a base64 encoded data snippet.
How do I use this server with Claude?
How do I use this server with Claude?
You need to configure Claude Desktop to connect to the server by adding it to the mcpServers configuration with the appropriate command, arguments, and environment variables.
What security considerations should I keep in mind?
What security considerations should I keep in mind?
Ensure that the AWS credentials have appropriate permissions to the buckets, use the principle of least privilege, and consider using IAM roles for production environments.