Monitor recent bridge transfer activity for a specific bridged token or bridge contract on Hedera. Returns transfer volume, frequency, and counterparty analysis. Costs 0.2 HBAR.
AI agents call bridge_transfers 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.
bridge_transfers retrieves and analyzes historical blockchain data about bridge transfers. It queries existing data (transfer volume, frequency, counterparty information) without creating, modifying, or deleting anything. While the server involves financial assets (HBAR tokens), this specific tool does not move money or commit financial obligations—it merely reads bridge activity.
From the tool's definition Tool description states: 'Monitor recent bridge transfer activity' and 'Returns transfer volume, frequency, and counterparty analysis.' The verb 'Monitor' and 'Returns' indicate data retrieval with no modification.
Attacks that exploit this kind of access
Monitor recent bridge transfer activity for a specific bridged token or bridge contract on Hedera. Returns transfer volume, frequency, and counterparty analysis. Costs 0.2 HBAR. 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 bridge_transfers: 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.
bridge_transfers 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 bridge_transfers 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 bridge_transfers. 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.
bridge_transfers 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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