Check the KYC status of a Hedera account for one or more tokens. Returns KYC
AI agents call identity_verify_kyc to retrieve information from Hedera Toolbox without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves KYC compliance status information from the blockchain without altering any data. While KYC data is sensitive and could carry medium severity if misused to profile accounts, the operation itself is read-only. Severity is elevated from 'low' to 'medium' because KYC information is personally identifiable and sensitive financial compliance data; an agent could use this to screen or dox accounts.
From the tool's definition Tool description indicates 'Check the KYC status' which is a query/retrieval operation that returns KYC verification status. The verb 'Check' and the return-only pattern ('Returns KYC') indicate no modification or side effects.
Attacks that exploit this kind of access
Check the KYC status of a Hedera account for one or more tokens. Returns KYC. It is categorised as a Read tool in the Hedera Toolbox MCP Server, which means it retrieves data without modifying state.
Register the Hedera Toolbox MCP server in PolicyLayer and add a rule for identity_verify_kyc: 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 Hedera Toolbox. Nothing to install.
identity_verify_kyc 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 identity_verify_kyc 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 identity_verify_kyc. 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.
identity_verify_kyc is provided by the Hedera Toolbox MCP server (mountainmystic/hederatoolbox). 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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