Check if a transfer can be unlocked and get info about it
AI agents call canUnlockSlow to retrieve information from Agentek Eth without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool checks a condition and retrieves information without performing any state-changing operation. It only reads unlock eligibility and transfer info, making it a Read category tool with low severity.
From the tool's definition "Check if a transfer can be unlocked and get info about it" — purely retrieves/queries status information
Documented attack patterns abuse exactly the kind of access canUnlockSlow gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Agentek Eth, and nothing reaches the server without passing your rules. This is the rule we recommend for canUnlockSlow:
{
"version": "1",
"default": "deny",
"tools": {
"canUnlockSlow": {}
}
}canUnlockSlow is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Check if a transfer can be unlocked and get info about it. It is categorised as a Read tool in the Agentek Eth MCP Server, which means it retrieves data without modifying state.
Register the Agentek Eth MCP server in PolicyLayer and add a rule for canUnlockSlow: 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 Agentek Eth. Nothing to install.
canUnlockSlow 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 canUnlockSlow 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 canUnlockSlow. 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.
canUnlockSlow is provided by the Agentek Eth MCP server (nanidao/agentek). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Agentek Eth, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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165 Agentek Eth tools catalogued and risk-classified — across an index of 43,000+ MCP servers.