get_nft_balance

Get the total number of NFTs owned by an address from a specific collection.

SERVERSEI MCP Server V2 SOURCEtestinguser1111111/sei-mcp-server

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/testinguser1111111-sei-mcp-server/get-nft-balance.md

WHAT IT DOES

What get_nft_balance does on SEI MCP Server V2

AI agents call get_nft_balance to retrieve information from SEI MCP Server V2 without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why get_nft_balance is rated Low

This tool queries blockchain state to retrieve balance information. It performs a read-only operation that retrieves data without modifying, deleting, or executing any state-changing actions. The operation is informational only and carries minimal risk even if an AI agent misuses it, as no assets, configurations, or data can be altered.

From the tool's definition Tool name 'get_nft_balance' and description 'Get the total number of NFTs owned by an address from a specific collection' indicate a pure data retrieval operation with no side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_nft_balance safely

PolicyLayer is an MCP gateway: it sits between your AI agents and SEI MCP Server V2, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For get_nft_balance, this is the rule to start with:

get_nft_balance Allowed

get_nft_balance is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_nft_balance": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect SEI MCP Server V2, apply this rule, and every get_nft_balance call is checked against it from then on.

FAQ

Questions about get_nft_balance

What does the get_nft_balance tool do? +

Get the total number of NFTs owned by an address from a specific collection. It is categorised as a Read tool in the SEI MCP Server V2 MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_nft_balance? +

Register the SEI MCP Server V2 MCP server in PolicyLayer and add a rule for get_nft_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 SEI MCP Server V2. Nothing to install.

What risk level is get_nft_balance? +

get_nft_balance is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get_nft_balance? +

Yes. Add a rate_limit block to the get_nft_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.

How do I block get_nft_balance completely? +

Set action: deny in the PolicyLayer policy for get_nft_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.

What MCP server provides get_nft_balance? +

get_nft_balance is provided by the SEI MCP Server V2 MCP server (testinguser1111111/sei-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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