Low Risk

market_get_wallet_balance

Get balance data for a wallet address on a specific blockchain

How to control market_get_wallet_balance ↓

What market_get_wallet_balance does on Sperax Ecosystem Crypto & DeFI MCP Server

AI agents call market_get_wallet_balance to retrieve information from Sperax Ecosystem Crypto & DeFI MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Low Risk

Why market_get_wallet_balance needs a policy

This tool performs a read-only query to retrieve wallet balance information. It does not create, modify, delete, or move any assets. While it accesses financial data (wallet balances), it poses minimal risk as it cannot be weaponized to cause financial harm, change state, or execute unauthorized actions. The blast radius is limited to information disclosure of publicly queryable blockchain data.

From the tool's definition Tool name 'market_get_wallet_balance' and description 'Get balance data for a wallet address on a specific blockchain' indicate a query operation that retrieves financial data without modifying state or executing transactions.

Documented attack patterns abuse exactly the kind of access market_get_wallet_balance gives an agent:

How to control market_get_wallet_balance

PolicyLayer is an MCP gateway — it sits between your AI agents and Sperax Ecosystem Crypto & DeFI MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for market_get_wallet_balance:

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "market_get_wallet_balance": {}
  }
}

market_get_wallet_balance is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

  1. Create a free account and register Sperax Ecosystem Crypto & DeFI MCP Server — nothing to install.
  2. Add this policy — paste it, or build it visually.
  3. Point your MCP client (Claude, Cursor, anything) at your gateway URL.
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Related tools and policies

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Questions about market_get_wallet_balance

What does the market_get_wallet_balance tool do? +

Get balance data for a wallet address on a specific blockchain. It is categorised as a Read tool in the Sperax Ecosystem Crypto & DeFI MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on market_get_wallet_balance? +

Register the Sperax Ecosystem Crypto & DeFI MCP Server MCP server in PolicyLayer and add a rule for market_get_wallet_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 Sperax Ecosystem Crypto & DeFI MCP Server. Nothing to install.

What risk level is market_get_wallet_balance? +

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

Can I rate-limit market_get_wallet_balance? +

Yes. Add a rate_limit block to the market_get_wallet_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 market_get_wallet_balance completely? +

Set action: deny in the PolicyLayer policy for market_get_wallet_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 market_get_wallet_balance? +

market_get_wallet_balance is provided by the Sperax Ecosystem Crypto & DeFI MCP Server MCP server (sperax/sperax-crypto-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Sperax Ecosystem Crypto & DeFI MCP Server tool call.

Start from Sperax Ecosystem Crypto & DeFI MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

Free to start. No card required.

1318 Sperax Ecosystem Crypto & DeFI MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.

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