Mcp2lambda
M

Mcp2lambda

MCP2Lambda is an MCP protocol server that runs AWS Lambda functions as tools for large language models (LLMs). AI models can call Lambda functions to access private resources and AWS services without code modification.
3 points
7.8K

What is MCP2Lambda?

MCP2Lambda is a server based on the Model Context Protocol (MCP), which serves as a bridge between AI models and AWS Lambda functions. Through this service, you can enable large language models such as Claude to directly call your existing Lambda functions, just like using built - in tools.

How to use MCP2Lambda?

Simply deploy the MCP2Lambda server and configure your AWS credentials, and your Lambda functions will automatically become available tools for AI models. The models can discover and call these functions through the MCP protocol.

Use cases

MCP2Lambda is an ideal choice when you want AI models to access private data, perform specific calculations, or interact with enterprise internal systems. For example, scenarios such as customer data query, internal API call, or custom calculations.

Main features

Auto - discovery
Automatically identify Lambda functions in the AWS account that meet the naming rules without manual registration
Dual - mode support
Supports pre - discovery mode (each function as an independent tool) and general mode (call through a unified interface)
Security isolation
Implement permission isolation through Lambda functions. The model can only call functions and cannot directly access other AWS resources
Advantages
No need to modify the existing code of Lambda functions
Leverage the existing AWS security system without additional configuration
Support access to resources within the private network (VPC)
The model can only call specified functions and cannot directly operate other AWS services
Limitations
Need to write clear description documents for Lambda functions
Currently only support Lambda functions written in Python
The function execution time is limited by the Lambda timeout

How to use

Install MCP2Lambda
Install with one - click via Smithery or manually clone the repository
Configure AWS credentials
Ensure that valid AWS access keys are configured locally
Deploy example functions
Deploy the provided example Lambda functions for testing
Start the server
Run the MCP2Lambda server

Usage examples

Customer information query
Find detailed customer information by email
Mathematical calculation
Perform complex mathematical operations

Frequently Asked Questions

Which Lambda functions will be automatically discovered?
How to ensure security?
Which AI models are supported?

Related resources

Official documentation of the MCP protocol
Official specification documentation of the Model Context Protocol
AWS Lambda documentation
Official documentation of the AWS Lambda service
Example code repository
GitHub repository containing complete example code

Installation

Copy the following command to your Client for configuration
{
  "mcpServers": {
    "mcp2lambda": {
      "command": "uv",
      "args": [
        "--directory",
        "<full path to the mcp2lambda directory>",
        "run",
        "main.py"
      ]
    }
  }
}
Note: Your key is sensitive information, do not share it with anyone.

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