Get available Bitrefill product categories and supported countries.
AI agents call bitrefill_get_categories to retrieve information from Agenti without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves informational data about available product categories and supported countries from Bitrefill. It performs a read-only query with no ability to modify data, execute transactions, or trigger external operations. While it exists on a cryptocurrency/financial server, the tool itself only retrieves static reference information, not executing trades or transfers.
From the tool's definition Tool name 'bitrefill_get_categories' and description 'Get available Bitrefill product categories and supported countries' indicate a query/retrieval operation with no side effects.
Documented attack patterns abuse exactly the kind of access bitrefill_get_categories gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Agenti, and nothing reaches the server without passing your rules. This is the rule we recommend for bitrefill_get_categories:
{
"version": "1",
"default": "deny",
"tools": {
"bitrefill_get_categories": {}
}
}bitrefill_get_categories is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get available Bitrefill product categories and supported countries. It is categorised as a Read tool in the Agenti MCP Server, which means it retrieves data without modifying state.
Register the Agenti MCP server in PolicyLayer and add a rule for bitrefill_get_categories: 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 Agenti. Nothing to install.
bitrefill_get_categories 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 bitrefill_get_categories 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 bitrefill_get_categories. 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.
bitrefill_get_categories is provided by the Agenti MCP server (nirholas/agenti). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 73 Agenti tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
73 Agenti tools catalogued and risk-classified — across an index of 42,500+ MCP servers.