searchLambdasWithId

Searches lambdas with the specified criteria and pagination.

SERVERFusionauth SOURCE@fusionauth/mcp-api

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-fusionauth-mcp-api/searchlambdaswithid.md

WHAT IT DOES

What searchLambdasWithId does on Fusionauth

AI agents call searchLambdasWithId to retrieve information from Fusionauth without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why searchLambdasWithId is rated Low

The tool performs a search/query operation to retrieve lambda configurations matching specified criteria. It returns data without creating, modifying, deleting, or executing any actions. No side effects or state changes are indicated. This is a straightforward Read operation typical of API query endpoints.

From the tool's definition Tool name includes 'search' and description states 'Searches lambdas with the specified criteria and pagination.' This is a query operation that retrieves data without modification.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs searchLambdasWithId safely

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

searchLambdasWithId Allowed

searchLambdasWithId is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "searchLambdasWithId": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about searchLambdasWithId

What does the searchLambdasWithId tool do? +

Searches lambdas with the specified criteria and pagination. It is categorised as a Read tool in the Fusionauth MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on searchLambdasWithId? +

Register the Fusionauth MCP server in PolicyLayer and add a rule for searchLambdasWithId: 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 Fusionauth. Nothing to install.

What risk level is searchLambdasWithId? +

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

Can I rate-limit searchLambdasWithId? +

Yes. Add a rate_limit block to the searchLambdasWithId 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 searchLambdasWithId completely? +

Set action: deny in the PolicyLayer policy for searchLambdasWithId. 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 searchLambdasWithId? +

searchLambdasWithId is provided by the Fusionauth MCP server (@fusionauth/mcp-api). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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