invoke_read_tool

A read tool on the API-Central MCP server.

SERVERAPI-Central SOURCEsecure-ssid/centralmcp

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/secure-ssid-centralmcp/invoke-read-tool.md

WHAT IT DOES

What invoke_read_tool does on API-Central

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

RISK

Why invoke_read_tool is rated Low

The tool name 'invoke_read_tool' strongly implies a read operation based on the 'read' component. However, with an empty description, there is uncertainty about what it actually does. Given the server context (HPE Aruba Central network operations), a read tool could retrieve sensitive network configuration or monitoring data.

From the tool's definition Tool name contains 'read' which suggests a read/query operation, but the description is empty and uninformative.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs invoke_read_tool safely

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

invoke_read_tool Allowed

invoke_read_tool 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": {
    "invoke_read_tool": {}
  }
}

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

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

FAQ

Questions about invoke_read_tool

What does the invoke_read_tool tool do? +

invoke_read_tool is a read tool on the API-Central MCP server. It is categorised as a Read tool in the API-Central MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on invoke_read_tool? +

Register the API-Central MCP server in PolicyLayer and add a rule for invoke_read_tool: 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 API-Central. Nothing to install.

What risk level is invoke_read_tool? +

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

Can I rate-limit invoke_read_tool? +

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

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

invoke_read_tool is provided by the API-Central MCP server (secure-ssid/centralmcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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