Convert between USD, Z tokens, and units.
AI agents call zero_convert to retrieve information from Zero Network MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a unit/currency conversion calculation, which is a read-only computational operation with no side effects. It retrieves or computes exchange values between denominations but does not move money, modify data, or execute code. Severity is low as misuse would at most provide incorrect conversion values.
From the tool's definition Convert between USD, Z tokens, and units.
Attacks that exploit this kind of access
Convert between USD, Z tokens, and units. It is categorised as a Read tool in the Zero Network MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Zero Network MCP Server MCP server in PolicyLayer and add a rule for zero_convert: 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 Zero Network MCP Server. Nothing to install.
zero_convert 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 zero_convert 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 zero_convert. 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.
zero_convert is provided by the Zero Network MCP Server MCP server (zzero-net/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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