AI agents call economy.tiers to retrieve information from CIVITAE without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool retrieves and displays tier structures and associated fee information. It performs no mutations, financial transactions, code execution, or data deletion. This is a straightforward lookup of governance parameters intended for informational purposes within the CIVITAE system.
From the tool's definition Tool name 'economy.tiers' and description 'View trust tier definitions and fee rates' indicates a read-only retrieval of system configuration data. Verbs 'View' and 'definitions' confirm query-only semantics with no side effects.
Attacks that exploit this kind of access
View trust tier definitions and fee rates. Tiers: Ungoverned (15%), Governed (5%), Constitutional (2%), Black Card (custom). It is categorised as a Read tool in the CIVITAE MCP Server, which means it retrieves data without modifying state.
Register the CIVITAE MCP server in PolicyLayer and add a rule for economy.tiers: 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 CIVITAE. Nothing to install.
economy.tiers 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 economy.tiers 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 economy.tiers. 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.
economy.tiers is provided by the CIVITAE MCP server (pypi:civitae-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
economy.tiers is one line of CIVITAE's registry record.
The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.
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