Get current tax rate for a token+wallet.
AI agents call get_tax_rate to retrieve information from Basis MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves tax rate information for a given token and wallet combination. It is a pure read operation with no side effects, reversibility concerns, code execution, financial transfers, or data destruction involved. The low severity reflects that misuse would at worst return incorrect information to an AI agent, with no direct impact on blockchain state or user assets.
From the tool's definition Tool name 'get_tax_rate' and description 'Get current tax rate for a token+wallet' indicate a query operation that retrieves data without modifying or executing state-changing operations.
Attacks that exploit this kind of access
Get current tax rate for a token+wallet. It is categorised as a Read tool in the Basis MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Basis MCP Server MCP server in PolicyLayer and add a rule for get_tax_rate: 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 Basis MCP Server. Nothing to install.
get_tax_rate 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 get_tax_rate 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 get_tax_rate. 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.
get_tax_rate is provided by the Basis MCP Server MCP server (launch-on-basis/mcp-ts). 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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