This record as markdown: /tools/nanidao-agentek/getlatestbtcblock.md
What getLatestBtcBlock does on Agentek Eth
AI agents call getLatestBtcBlock to retrieve information from Agentek Eth without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why getLatestBtcBlock is rated Low
This tool retrieves public blockchain data (latest Bitcoin block information) without creating, modifying, deleting, or executing any operations. It is a pure read operation with minimal risk—fetching block details is non-destructive and requires no financial transactions or code execution.
From the tool's definition Tool name 'getLatestBtcBlock' and description 'Fetches the latest Bitcoin block details' indicate a retrieval operation with no side effects. The verb 'Fetches' confirms data querying only.
Attacks that exploit this kind of access
The rule that runs getLatestBtcBlock safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Agentek Eth, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For getLatestBtcBlock, this is the rule to start with:
getLatestBtcBlock is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Agentek Eth, apply this rule, and every getLatestBtcBlock call is checked against it from then on.
Questions about getLatestBtcBlock
Fetches the latest Bitcoin block details. 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 getLatestBtcBlock: 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.
getLatestBtcBlock 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 getLatestBtcBlock 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 getLatestBtcBlock. 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.
getLatestBtcBlock 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.
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