getAddressTokenBalances
Get all ERC20/ERC721/ERC1155 token balances held by a specific address, with token metadata.
This record as markdown: /tools/nanidao-agentek/getaddresstokenbalances.md
What getAddressTokenBalances does on Agentek Eth
AI agents call getAddressTokenBalances 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 getAddressTokenBalances is rated Low
This tool queries blockchain state to fetch balance information. It performs no modifications, deletions, transfers, or financial transactions. While it reveals wallet holdings (which may have privacy implications), it is fundamentally a data retrieval operation. The low severity reflects that misuse would cause information disclosure rather than unauthorized asset movement or system compromise.
From the tool's definition The tool 'getAddressTokenBalances' retrieves token balances and metadata for a given address. The verb 'Get' and the description 'retrieves...with token metadata' indicate a read-only query operation with no side effects.
Attacks that exploit this kind of access
The rule that runs getAddressTokenBalances 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 getAddressTokenBalances, this is the rule to start with:
getAddressTokenBalances 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 getAddressTokenBalances call is checked against it from then on.
Questions about getAddressTokenBalances
Get all ERC20/ERC721/ERC1155 token balances held by a specific address, with token metadata. 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 getAddressTokenBalances: 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.
getAddressTokenBalances 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 getAddressTokenBalances 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 getAddressTokenBalances. 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.
getAddressTokenBalances 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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