lookup_useragents_top

Get the top 50 real-world browser User-Agent strings. Use for scraping agents that need realistic UAs. Cost: $0.005–$0.05 USDC on Base per call.

SERVERGoCreative Agent API SOURCEhttps://api.gocreativeai.com/mcp

Low RISK CLASS

Category Read

Parameters 10 required

Recommended Allowedsee the rule below

Registry record Grade D, identity unverified Pull the record →

This record as markdown: /tools/io-github-colinhughes2121-gocreative-agent-api/lookup-useragents-top.md

WHAT IT DOES

What lookup_useragents_top does on GoCreative Agent API

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

Parameter	Type	Required	Description
`query_string`	string	—

Parameters from the server's own tool schema.

RISK

Why lookup_useragents_top is rated Low

This tool retrieves static reference data (User-Agent strings) for use in scraping workflows. It does not execute code, modify data, delete anything, or commit financial transactions. While the server charges per call (a financial transaction by the server operator), the tool itself merely returns data.

From the tool's definition Tool description explicitly states 'Get the top 50 real-world browser User-Agent strings' — a retrieval operation with no side effects. The verb 'Get' and absence of any modification, deletion, or execution capability confirms this is a read-only lookup.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs lookup_useragents_top safely

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

lookup_useragents_top Allowed

lookup_useragents_top 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_useragents_top": {}
  }
}

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

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

FAQ

Questions about lookup_useragents_top

What does the lookup_useragents_top tool do? +

Get the top 50 real-world browser User-Agent strings. Use for scraping agents that need realistic UAs. Cost: $0.005–$0.05 USDC on Base per call. It is categorised as a Read tool in the GoCreative Agent API MCP Server, which means it retrieves data without modifying state.

What parameters does lookup_useragents_top accept? +

lookup_useragents_top accepts 1 parameter: query_string. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on lookup_useragents_top? +

Register the GoCreative Agent API MCP server in PolicyLayer and add a rule for lookup_useragents_top: 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 GoCreative Agent API. Nothing to install.

What risk level is lookup_useragents_top? +

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

Can I rate-limit lookup_useragents_top? +

Yes. Add a rate_limit block to the lookup_useragents_top 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_useragents_top completely? +

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

lookup_useragents_top is provided by the GoCreative Agent API MCP server (https://api.gocreativeai.com/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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