hello_lambda

A other tool on the ChukMCP MCP server.

SERVERChukMCPServer SOURCEibm/chuk-mcp-server

Low RISK CLASS

Category Other

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade B, identity unverified Pull the record →

This record as markdown: /tools/ibm-chuk-mcp-server/hello-lambda.md

WHAT IT DOES

What hello_lambda does on ChukMCPServer

AI agents call hello_lambda as a supporting operation in ChukMCPServer workflows.

RISK

Why hello_lambda is rated Low

The description is empty and uninformative, making classification uncertain. Based on the name pattern and sibling tools (hello, hello_azure, hello_gcf all appear to be greeting/demo functions for different deployment targets), this is likely a simple read/echo-style demonstration function with no significant side effects. However, without a description, confidence is low.

From the tool's definition Tool name is 'hello_lambda' with an empty description. The name suggests a greeting/hello function, likely targeting AWS Lambda deployment based on the 'lambda' suffix.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs hello_lambda safely

PolicyLayer is an MCP gateway: it sits between your AI agents and ChukMCPServer, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For hello_lambda, this is the rule to start with:

hello_lambda Rate-limited

hello_lambda gets a rate cap, and everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "hello_lambda": {
      "limits": [
        {
          "counter": "hello_lambda_rate",
          "window": "minute",
          "max": 60,
          "scope": "grant"
        }
      ]
    }
  }
}

SET A RULE FOR THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect ChukMCPServer, apply this rule, and every hello_lambda call is checked against it from then on.

FAQ

Questions about hello_lambda

What does the hello_lambda tool do? +

hello_lambda is a other tool on the ChukMCPServer MCP server. It is categorised as a Other tool in the ChukMCPServer MCP Server, which means it performs auxiliary operations.

How do I enforce a policy on hello_lambda? +

Register the ChukMCPServer MCP server in PolicyLayer and add a rule for hello_lambda: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches ChukMCPServer. Nothing to install.

What risk level is hello_lambda? +

hello_lambda is a Other tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit hello_lambda? +

Yes. Add a rate_limit block to the hello_lambda rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block hello_lambda completely? +

Set action: deny in the PolicyLayer policy for hello_lambda. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides hello_lambda? +

hello_lambda is provided by the ChukMCPServer MCP server (ibm/chuk-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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