[{"_1":2,"_292":-5,"_293":-5},"loaderData",{"_3":4,"_14":15,"_16":17,"_18":19,"_228":229},"root",{"_5":6},"toasts",[7],{"_8":9,"_10":11,"_12":13},"uid","703df76e-4881-404c-a4d8-a85ce2068fb3","title","This MCP server does not support inspection","type","error","routes/_public/_layout",{},"routes/_public/mcp/servers/~namespace/_layout",{},"routes/_public/mcp/servers/~namespace/~slug/_pages/_layout",{"_20":-5,"_21":22,"_23":24,"_147":148},"githubUser","maintainer",false,"mcpServer",{"_25":26,"_27":28,"_34":35,"_44":45,"_46":45,"_47":48,"_53":54,"_77":-5,"_78":79,"_80":81,"_82":83,"_63":64,"_95":68,"_96":-5,"_97":-5,"_98":99,"_100":101,"_108":-5,"_109":110,"_115":-5,"_90":64,"_116":117,"_121":122,"_8":144,"_145":146},"addedAt",["D",1740567697710],"argumentsJsonSchema",{"_29":30,"_31":32,"_12":33},"properties",{},"required",[],"object","attributes",[36,37,38,39,40,41,42,43],"category:cloud-platforms","category:virtualization","author:official","hosting:hybrid","language:python","security_grade:a","quality_grade:a","license_grade:a","descriptionMarkdown","Enables AI models to interact with AWS Lambda functions seamlessly as tools using the Model Control Protocol (MCP), supporting real-time data access, private networks, and custom computational tasks.","descriptionPlainText","githubProject",{"_49":50,"_51":52},"readme","# MCP2Lambda\n\n[![smithery badge](https://smithery.ai/badge/@danilop/MCP2Lambda)](https://smithery.ai/server/@danilop/MCP2Lambda)\n\n\n $\"MCP2Lambda$ \n\n\nRun any [AWS Lambda](https://aws.amazon.com/lambda/) function as a Large Language Model (LLM) **tool** without code changes using [Anthropic](https://www.anthropic.com)'s [Model Context Protocol (MCP)](https://github.com/modelcontextprotocol).\n\n```mermaid\ngraph LR\n A[Model] <--> B[MCP Client]\n B <--> C[\"MCP2Lambda
(MCP Server)\"]\n C <--> D[Lambda Function]\n D <--> E[Other AWS Services]\n D <--> F[Internet]\n D <--> G[VPC]\n \n style A fill:#f9f,stroke:#333,stroke-width:2px\n style B fill:#bbf,stroke:#333,stroke-width:2px\n style C fill:#bfb,stroke:#333,stroke-width:4px\n style D fill:#fbb,stroke:#333,stroke-width:2px\n style E fill:#fbf,stroke:#333,stroke-width:2px\n style F fill:#dff,stroke:#333,stroke-width:2px\n style G fill:#ffd,stroke:#333,stroke-width:2px\n```\n\nThis MCP server acts as a **bridge** between MCP clients and AWS Lambda functions, allowing generative AI models to access and run Lambda functions as tools. This is useful, for example, to access private resources such as internal applications and databases without the need to provide public network access. This approach allows the model to use other AWS services, private networks, and the public internet.\n\nFrom a **security** perspective, this approach implements segregation of duties by allowing the model to invoke the Lambda functions but not to access the other AWS services directly. The client only needs AWS credentials to invoke the Lambda functions. The Lambda functions can then interact with other AWS services (using the function role) and access public or private networks.\n\nThe MCP server gives access to two tools:\n\n1. The first tool can **autodiscover** all Lambda functions in your account that match a prefix or an allowed list of names. This tool shares the names of the functions and their descriptions with the model.\n\n2. The second tool allows to **invoke** those Lambda functions by name passing the required parameters.\n\nNo code changes are required. You should change these configurations to improve results:\n\n## Strategy Selection\n\nThe gateway supports two different strategies for handling Lambda functions:\n\n1. **Pre-Discovery Mode** (default: enabled): Registers each Lambda function as an individual tool at startup. This provides a more intuitive interface where each function appears as its own named tool.\n\n2. **Generic Mode**: Uses two generic tools (`list_lambda_functions` and `invoke_lambda_function`) to interact with Lambda functions.\n\nYou can control this behavior through:\n\n- Environment variable: `PRE_DISCOVERY=true|false`\n- CLI flag: `--no-pre-discovery` (disables pre-discovery mode)\n\nExample:\n```bash\n# Disable pre-discovery mode\nexport PRE_DISCOVERY=false\npython main.py\n\n# Or using CLI flag to disable pre-discovery\npython main.py --no-pre-discovery\n```\n\n1. To provide the MCP client with the knowledge to use a Lambda function, the **description of the Lambda function** should indicate what the function does and which parameters it uses. See the sample functions for a quick demo and more details.\n\n2. To help the model use the tools available via AWS Lambda, you can add something like this to your **system prompt**:\n\n```\nUse the AWS Lambda tools to improve your answers.\n```\n\n## Overview\n\nMCP2Lambda enables LLMs to interact with AWS Lambda functions as tools, extending their capabilities beyond text generation. This allows models to:\n\n- Access real-time and private data, including data sources in your VPCs\n- Execute custom code using a Lambda function as sandbox environment\n- Interact with external services and APIs using Lambda functions internet access (and bandwidth)\n- Perform specialized calculations or data processing\n\nThe server uses the MCP protocol, which standardizes the way AI models can access external tools.\n\nBy default, only functions whose name starts with `mcp2lambda-` will be available to the model.\n\n## Prerequisites\n\n- Python 3.12 or higher\n- AWS account with configured credentials\n- AWS Lambda functions (sample functions provided in the repo)\n- An application using [Amazon Bedrock](https://aws.amazon.com/bedrock/) with the [Converse API](https://docs.aws.amazon.com/bedrock/latest/userguide/converse.html)\n- An MCP-compatible client like [Claude Desktop](https://docs.anthropic.com/en/docs/claude-desktop)\n\n## Installation\n\n### Installing via Smithery\n\nTo install MCP2Lambda for Claude Desktop automatically via [Smithery](https://smithery.ai/server/@danilop/MCP2Lambda):\n\n```bash\nnpx -y @smithery/cli install @danilop/MCP2Lambda --client claude\n```\n\n### Manual Installation\n1. Clone the repository:\n ```\n git clone https://github.com/yourusername/mcp2lambda.git\n cd mcp2lambda\n ```\n\n2. Configure AWS credentials. For example, using the [AWS CLI](https://aws.amazon.com/cli):\n ```\n aws configure\n ```\n\n## Sample Lambda Functions\n\nThis repository includes three *sample* Lambda functions that demonstrate different use cases. These functions have basic permissions and can only write to CloudWatch logs.\n\n### CustomerIdFromEmail\nRetrieves a customer ID based on an email address. This function takes an email parameter and returns the associated customer ID, demonstrating how to build simple lookup tools. The function is hard coded to reply to the `user@example.com` email address. For example, you can ask the model to get the customer ID for the email `user@example.com`.\n\n### CustomerInfoFromId\nRetrieves detailed customer information based on a customer ID. This function returns customer details like name, email, and status, showing how Lambda can provide context-specific data. The function is hard coded to reply to the customer ID returned by the previous function. For example, you can ask the model to \"Get the customer status for email `user@example.com`\". This will use both functions to get to the result.\n\n### RunPythonCode\nExecutes arbitrary Python code within a Lambda sandbox environment. This powerful function allows Claude to write and run Python code to perform calculations, data processing, or other operations not built into the model. For example, you can ask the model to \"Calculate the number of prime numbers between 1 and 10, 1 and 100, and so on up to 1M\".\n\n## Deploying Sample Lambda Functions\n\nThe repository includes sample Lambda functions in the `sample_functions` directory.\n\n1. Install the AWS SAM CLI: https://docs.aws.amazon.com/serverless-application-model/latest/developerguide/install-sam-cli.html\n\n2. Deploy the sample functions:\n ```\n cd sample_functions\n sam build\n sam deploy\n ```\n\nThe sample functions will be deployed with the prefix `mcp2lambda-`.\n\n## Using with Amazon Bedrock\n\nMCP2Lambda can also be used with Amazon Bedrock's Converse API, allowing you to use the MCP protocol with any of the models supported by Bedrock.\n\nThe `mcp_client_bedrock` directory contains a client implementation that connects MCP2Lambda to Amazon Bedrock models.\n\nSee https://github.com/mikegc-aws/amazon-bedrock-mcp for more information.\n\n### Prerequisites\n\n- Amazon Bedrock access and permissions to use models like Claude, Mistral, Llama, etc.\n- Boto3 configured with appropriate credentials\n\n### Installation and Setup\n\n1. Navigate to the mcp_client_bedrock directory:\n ```\n cd mcp_client_bedrock\n ```\n\n2. Install dependencies:\n ```\n uv pip install -e .\n ```\n\n3. Run the client:\n ```\n python main.py\n ```\n\n### Configuration\n\nThe client is configured to use Anthropic's Claude 3.7 Sonnet by default, but you can modify the `model_id` in `main.py` to use other Bedrock models:\n\n```python\n# Examples of supported models:\nmodel_id = \"us.anthropic.claude-3-7-sonnet-20250219-v1:0\"\n#model_id = \"us.amazon.nova-pro-v1:0\"\n```\n\nYou can also customize the system prompt in the same file to change how the model behaves.\n\n### Usage\n\n1. Start the MCP2Lambda server in one terminal:\n ```\n cd mcp2lambda\n uv run main.py\n ```\n\n2. Run the Bedrock client in another terminal:\n ```\n cd mcp_client_bedrock\n python main.py\n ```\n\n3. Interact with the model through the command-line interface. The model will have access to the Lambda functions deployed earlier.\n\n## Using with Claude Desktop\n\nAdd the following to your Claude Desktop configuration file:\n\n```json\n{\n \"mcpServers\": {\n \"mcp2lambda\": {\n \"command\": \"uv\",\n \"args\": [\n \"--directory\",\n \"\",\n \"run\",\n \"main.py\"\n ]\n }\n }\n}\n```\n\nTo help the model use tools via AWS Lambda, in your settings profile, you can add to your personal preferences a sentence like:\n\n```\nUse the AWS Lambda tools to improve your answers.\n```\n\n## Starting the MCP Server\n\nStart the MCP server locally:\n\n```sh\ncd mcp2lambda\nuv run main.py\n```","url","https://github.com/danilop/MCP2Lambda","githubRepository",{"_55":56,"_57":58,"_59":60,"_61":62,"_63":64,"_65":66,"_70":71,"_72":73,"_75":76},"defaultBranch","main","fullName","danilop/MCP2Lambda","githubTreeId",104084,"language","Python","name","MCP2Lambda","owner",{"_67":68,"_8":69},"login","danilop","s9uwicmbv8","recentStargazers",7,"spdxLicense",{"_63":74},"MIT License","stargazers",58,"glamaJson","id",1106,"inspectable",true,"integrations",[84],{"_85":86,"_92":93,"_8":94},"brand",{"_87":88,"_63":89,"_90":91},"logoSvgPath","M4.9855 0c-.2941.0031-.5335.2466-.534.5482L4.446 5.456c0 .1451.06.2835.159.3891a.5322.5322 0 0 0 .3806.1562h3.4282l8.197 17.6805a.5365.5365 0 0 0 .4885.3181h5.811c.2969 0 .5426-.2448.5426-.5482V18.544c0-.3035-.2392-.5482-.5425-.5482h-2.0138L12.7394.3153C12.647.124 12.4564 0 12.2452 0h-7.254Zm.5397 1.0907h6.3678l8.16 17.6804a.5365.5365 0 0 0 .4885.3181h1.8178v3.8173H17.437L9.2402 5.226a.536.536 0 0 0-.4885-.318H5.5223Zm2.0137 8.2366c-.2098.0011-.3937.1193-.4857.3096L.6002 23.2133a.5506.5506 0 0 0 .0313.5282.5334.5334 0 0 0 .4544.25h6.169a.5468.5468 0 0 0 .497-.3096l3.38-7.166a.5405.5405 0 0 0-.0029-.4686L8.036 9.637a.5468.5468 0 0 0-.4942-.3096Zm.0057 1.8036 2.488 5.1522-3.1214 6.6206H1.9465Z","AWS Lambda","slug","aws-lambda","description","Allows models to invoke AWS Lambda functions as tools without code changes. 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