lookup_mime_type

Look up MIME types by file extension. Leave empty for full list.

SERVERGadgetHumans API Hub SOURCEpypi:gadgethumans-api-hub-mcp

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-github-scotia1973-bot-api-hub/lookup-mime-type.md

WHAT IT DOES

What lookup_mime_type does on GadgetHumans API Hub

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

RISK

Why lookup_mime_type is rated Low

This tool only queries and returns MIME type information based on file extensions or returns a complete reference list. It has no side effects, does not execute code, does not modify data, and does not delete or move resources. It is a straightforward reference lookup utility with minimal security impact.

From the tool's definition Tool description states 'Look up MIME types by file extension' with option to retrieve 'full list'. The words 'look up' and 'list' indicate data retrieval with no modification or execution.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs lookup_mime_type safely

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

lookup_mime_type Allowed

lookup_mime_type 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": {
    "lookup_mime_type": {}
  }
}

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

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

FAQ

Questions about lookup_mime_type

What does the lookup_mime_type tool do? +

Look up MIME types by file extension. Leave empty for full list. It is categorised as a Read tool in the GadgetHumans API Hub MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on lookup_mime_type? +

Register the GadgetHumans API Hub MCP server in PolicyLayer and add a rule for lookup_mime_type: 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 GadgetHumans API Hub. Nothing to install.

What risk level is lookup_mime_type? +

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

Can I rate-limit lookup_mime_type? +

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

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

lookup_mime_type is provided by the GadgetHumans API Hub MCP server (pypi:gadgethumans-api-hub-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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