get_wallet_balance_by_time

WHAT IT DOES

What get_wallet_balance_by_time does on Sperax Ecosystem Crypto & DeFI MCP Server

AI agents call get_wallet_balance_by_time 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.

THE RISK

Low Risk

Why get_wallet_balance_by_time needs a policy

This tool retrieves historical wallet balance information (a query operation) without any side effects. It does not modify state, execute code, delete data, or commit financial transactions. The action is read-only and informational in nature, making it the lowest risk category.

From the tool's definition Tool name 'get_wallet_balance_by_time' and description 'Get native wallet balances at specific time or block' indicate pure data retrieval with no modification, creation, deletion, or execution of operations.

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

POLICY

How to control get_wallet_balance_by_time

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 get_wallet_balance_by_time:

policy.json

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

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

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

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EXPLORE

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about get_wallet_balance_by_time

What does the get_wallet_balance_by_time tool do? +

Get native wallet balances at specific time or block. 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 get_wallet_balance_by_time? +

Register the Sperax Ecosystem Crypto & DeFI MCP Server MCP server in PolicyLayer and add a rule for get_wallet_balance_by_time: 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 get_wallet_balance_by_time? +

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

Can I rate-limit get_wallet_balance_by_time? +

Yes. Add a rate_limit block to the get_wallet_balance_by_time 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_wallet_balance_by_time completely? +

Set action: deny in the PolicyLayer policy for get_wallet_balance_by_time. 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_wallet_balance_by_time? +

get_wallet_balance_by_time 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.

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