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Sam Serverless MCP Server
A simple Model Context Protocol (MCP) server based on AWS Lambda and API Gateway, deployed using the Serverless Application Model (SAM), supporting local development and testing.
rating : 2 points
downloads : 14
What is the AWS Lambda MCP Server?
This is a lightweight server based on the Model Context Protocol (MCP), deployed on the AWS Lambda serverless architecture. It allows developers to interact with AI models through simple HTTP interfaces.How to use the MCP Server?
You can use this service by sending HTTP requests in JSON - RPC format. The server provides functions for querying the tool list and invoking specific tools.Use cases
Suitable for scenarios where you need to quickly deploy AI model interfaces, especially when you want to run model services in a serverless manner.Main features
MCP protocol supportFully supports the Model Context Protocol specification, implementing a standardized model interaction interface
Serverless architectureDeployed based on AWS Lambda, no need to manage server infrastructure
API Gateway integrationProvides HTTP access interfaces through API Gateway, supporting both REST and HTTP API modes
Local development supportSupports local testing and development using SAM CLI
Advantages and limitations
Advantages
Simple and fast deployment, one - click deployment using Serverless Application Model (SAM)
High cost - effectiveness, billed according to actual usage
Automatic scaling ability, no need to worry about traffic surges
Built - in example tools for quick hands - on experience
Limitations
Lambda execution time limit (maximum 15 minutes)
Cold start may cause a delay in the first response
Relatively complex debugging process
How to use
Install dependencies
Ensure that Node.js v22+、Docker、AWS CLI and SAM CLI are installed
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Run locally
Use SAM CLI to start the service locally for testing
Deploy to AWS
Build and deploy the application to the AWS cloud environment
Usage examples
Query the tool listGet information about all tools currently supported by the server
Use the addition toolInvoke the built - in addition tool to calculate the sum of two numbers
Frequently Asked Questions
How to switch the API Gateway version?
How to add a new tool?
What to do if you encounter Docker problems during local testing?
Related resources
Official MCP protocol documentation
Official specification documentation for the Model Context Protocol
AWS SAM documentation
Official guide for the AWS Serverless Application Model
GitHub source code
Source code of the middy - mcp middleware on which the project is based
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