missing-type-tool

A tool with missing type field

SERVERMcp Test Servers SOURCEmsfeldstein/mcp-test-servers

Low RISK CLASS

Category Other

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/mcp-test-servers/missing-type-tool.md

WHAT IT DOES

What missing-type-tool does on Mcp Test Servers

AI agents call missing-type-tool as a supporting operation in Mcp Test Servers workflows.

RISK

Why missing-type-tool is rated Low

The description reveals no concrete operation (read, write, execute, etc.). A missing type field suggests this tool is either broken, a test artifact, or undefined. Without evidence of any side effects or data access, the safest classification is Other. Confidence is low due to the uninformative description.

From the tool's definition Tool description states 'A tool with missing type field' — no actionable behavior described; the tool appears incomplete or malformed.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs missing-type-tool safely

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

missing-type-tool Rate-limited

missing-type-tool 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": {
    "missing-type-tool": {
      "limits": [
        {
          "counter": "missing-type-tool_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 Mcp Test Servers, apply this rule, and every missing-type-tool call is checked against it from then on.

FAQ

Questions about missing-type-tool

What does the missing-type-tool tool do? +

A tool with missing type field. It is categorised as a Other tool in the Mcp Test Servers MCP Server, which means it performs auxiliary operations.

How do I enforce a policy on missing-type-tool? +

Register the Mcp Test Servers MCP server in PolicyLayer and add a rule for missing-type-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 Mcp Test Servers. Nothing to install.

What risk level is missing-type-tool? +

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

Can I rate-limit missing-type-tool? +

Yes. Add a rate_limit block to the missing-type-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 missing-type-tool completely? +

Set action: deny in the PolicyLayer policy for missing-type-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 missing-type-tool? +

missing-type-tool is provided by the Mcp Test Servers MCP server (msfeldstein/mcp-test-servers). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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