get_erc1155_balance
Get the balance of a specific ERC1155 token ID owned by an address. ERC1155 allows multiple tokens of the same ID, so the balance can be greater than 1.
This record as markdown: /tools/chulanpro5-evm-mcp-server/get-erc1155-balance.md
What get_erc1155_balance does on EVM MCP Server
AI agents call get_erc1155_balance to retrieve information from EVM MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why get_erc1155_balance is rated Low
This tool retrieves balance information from a blockchain without modifying any data, executing code, or triggering state-changing operations. It is a straightforward read operation analogous to checking an account balance. The absence of any write, execute, destructive, or financial mechanisms makes this low-severity and firmly in the Read category.
From the tool's definition Tool description states 'Get the balance of a specific ERC1155 token ID owned by an address' — purely a query operation with no state modification, side effects, or execution capabilities.
Attacks that exploit this kind of access
The rule that runs get_erc1155_balance safely
PolicyLayer is an MCP gateway: it sits between your AI agents and EVM MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For get_erc1155_balance, this is the rule to start with:
get_erc1155_balance 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 EVM MCP Server, apply this rule, and every get_erc1155_balance call is checked against it from then on.
Questions about get_erc1155_balance
Get the balance of a specific ERC1155 token ID owned by an address. ERC1155 allows multiple tokens of the same ID, so the balance can be greater than 1. It is categorised as a Read tool in the EVM MCP Server MCP Server, which means it retrieves data without modifying state.
Register the EVM MCP Server MCP server in PolicyLayer and add a rule for get_erc1155_balance: 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 EVM MCP Server. Nothing to install.
get_erc1155_balance 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 get_erc1155_balance 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 get_erc1155_balance. 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.
get_erc1155_balance is provided by the EVM MCP Server MCP server (chulanpro5/evm-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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