AI agents call radio_search to retrieve information from UnClick without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
name | string | Yes | |
limit | number | — |
Parameters from the server's own tool schema.
This tool performs a search operation to retrieve information about radio stations from an external service (Radio Browser). It has no side effects, does not execute code or commands, does not modify data, and does not involve financial transactions. The query is limited to a specific, benign domain (radio station listings), making it a straightforward Read operation with minimal risk.
From the tool's definition Tool name 'radio_search' and description 'Search for radio stations via Radio Browser' indicate a query operation that retrieves data without modification or side effects.
Attacks that exploit this kind of access
Search for radio stations via Radio Browser. It is categorised as a Read tool in the UnClick MCP Server, which means it retrieves data without modifying state.
radio_search accepts 2 parameters: name, limit. Required: name. The full parameter table on this page comes from the server's own tool schema.
Register the UnClick MCP server in PolicyLayer and add a rule for radio_search: 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.
radio_search 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 radio_search 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 radio_search. 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.
radio_search 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.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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