httpbin_headers
Get your request headers as seen by httpbin.
This record as markdown: /tools/io-github-malamutemayhem-unclick-mcp-server/httpbin-headers.md
What httpbin_headers does on UnClick
AI agents call httpbin_headers 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.
Why httpbin_headers is rated Low
This tool retrieves and returns request header information without modifying, deleting, or executing anything. It is a simple diagnostic read operation with minimal security impact. Even if an AI agent misuses it, the worst outcome is learning its own request metadata, which has negligible blast radius.
From the tool's definition The tool description states 'Get your request headers' — a retrieval operation with no side effects. It queries httpbin to echo back request metadata.
Attacks that exploit this kind of access
The rule that runs httpbin_headers 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_headers, this is the rule to start with:
httpbin_headers is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect UnClick, apply this rule, and every httpbin_headers call is checked against it from then on.
Questions about httpbin_headers
Get your request headers as seen by httpbin. It is categorised as a Read tool in the UnClick MCP Server, which means it retrieves data without modifying state.
Register the UnClick MCP server in PolicyLayer and add a rule for httpbin_headers: 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.
httpbin_headers is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the httpbin_headers 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.
Set action: deny in the PolicyLayer policy for httpbin_headers. 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.
httpbin_headers 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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