httpbin_user_agent

Get your User-Agent string via httpbin.

SERVERUnClick SOURCE@unclick/mcp-server

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-malamutemayhem-unclick-mcp-server/httpbin-user-agent.md

WHAT IT DOES

What httpbin_user_agent does on UnClick

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

RISK

Why httpbin_user_agent is rated Low

This is a straightforward read operation that queries a remote service (httpbin) to retrieve the User-Agent string. It has no side effects, does not modify data, execute code, delete resources, or involve financial transactions. The only risk is minimal information disclosure about the requesting client's user agent, which is inherently non-sensitive and commonly known.

From the tool's definition Tool description states 'Get your User-Agent string via httpbin' — this retrieves and returns the User-Agent header value without modifying any data.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs httpbin_user_agent safely

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

httpbin_user_agent Allowed

httpbin_user_agent 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": {
    "httpbin_user_agent": {}
  }
}

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

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

FAQ

Questions about httpbin_user_agent

What does the httpbin_user_agent tool do? +

Get your User-Agent string via httpbin. It is categorised as a Read tool in the UnClick MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on httpbin_user_agent? +

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

What risk level is httpbin_user_agent? +

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

Can I rate-limit httpbin_user_agent? +

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

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

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

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