Lambda SAM FAQs

Name: Lambda SAM
Author: markvp

Question 1

What are the key features of Lambda SAM?

Accepted Answer

Key features include a serverless MCP implementation, an administrative API for tool registration, a client interface via SSE and message endpoints, dynamic Lambda tool invocation, and IAM permission management.

Question 2

What is Lambda SAM?

Accepted Answer

Lambda SAM is a tool that allows you to implement a Model Context Protocol (MCP) server using AWS Lambda and SAM, enabling serverless operation.

Question 3

How do I deploy Lambda SAM?

Accepted Answer

You can deploy Lambda SAM using the AWS Serverless Application Repository (SAR), `npx @markvp/mcp-lambda-sam deploy`, programmatic usage with install or Local Development and Deployment.

Question 4

What AWS permissions are required for administrators?

Accepted Answer

Administrators require permissions to invoke the registration function URL, typically granted through an IAM policy allowing `lambda:InvokeFunctionUrl` on the registration Lambda function ARN.

Question 5

What AWS permissions are required for clients?

Accepted Answer

Clients require permissions to invoke the MCP function URL (SSE and message endpoints), granted via an IAM policy allowing `lambda:InvokeFunctionUrl` on the main MCP Lambda function ARN.

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