getAddressCoinBalanceHistory
Get the native coin balance history for an address (every balance change event).
This record as markdown: /tools/nanidao-agentek/getaddresscoinbalancehistory.md
What getAddressCoinBalanceHistory does on Agentek Eth
AI agents call getAddressCoinBalanceHistory 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 getAddressCoinBalanceHistory is rated Low
This tool retrieves balance history for a blockchain address. It performs a data query with no side effects, no execution of arbitrary code, and no modification, deletion, or financial movement. It is a standard Read operation querying historical blockchain state.
From the tool's definition Tool description states 'Get the native coin balance history for a address (every balance change event)' - a read-only query operation that retrieves historical data without modification.
Risk signalsBulk/mass operation — affects multiple targets
Attacks that exploit this kind of access
The rule that runs getAddressCoinBalanceHistory 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 getAddressCoinBalanceHistory, this is the rule to start with:
getAddressCoinBalanceHistory 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 getAddressCoinBalanceHistory call is checked against it from then on.
Questions about getAddressCoinBalanceHistory
Get the native coin balance history for an address (every balance change event). 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 getAddressCoinBalanceHistory: 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.
getAddressCoinBalanceHistory 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 getAddressCoinBalanceHistory 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 getAddressCoinBalanceHistory. 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.
getAddressCoinBalanceHistory 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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