spraay_balances

Get ETH + ERC-20 token balances for any wallet on Base. Returns formatted balances with USD values where available. Costs $0.002 USDC.

SERVERSpraay X402 Mcp SOURCEspraay-x402-mcp

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/io-github-plagtech-spraay-x402-mcp/spraay-balances.md

WHAT IT DOES

What spraay_balances does on Spraay X402 Mcp

AI agents call spraay_balances to retrieve information from Spraay X402 Mcp without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why spraay_balances is rated Low

This tool queries wallet balance data without side effects. It is a read-only operation that retrieves existing information (ETH and ERC-20 token balances) from the blockchain. The cost is a usage fee, not a financial transaction moving user funds. No data is created, modified, deleted, or executed.

From the tool's definition Tool description states it 'Get[s]' balances and 'Returns formatted balances'—retrieval operations with no modification or execution.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs spraay_balances safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Spraay X402 Mcp, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For spraay_balances, this is the rule to start with:

spraay_balances Allowed

spraay_balances 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": {
    "spraay_balances": {}
  }
}

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

The button opens the PolicyLayer dashboard: create your workspace, connect Spraay X402 Mcp, apply this rule, and every spraay_balances call is checked against it from then on.

FAQ

Questions about spraay_balances

What does the spraay_balances tool do? +

Get ETH + ERC-20 token balances for any wallet on Base. Returns formatted balances with USD values where available. Costs $0.002 USDC. It is categorised as a Read tool in the Spraay X402 Mcp MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on spraay_balances? +

Register the Spraay X402 MCP server in PolicyLayer and add a rule for spraay_balances: 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 Spraay X402 Mcp. Nothing to install.

What risk level is spraay_balances? +

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

Can I rate-limit spraay_balances? +

Yes. Add a rate_limit block to the spraay_balances 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 spraay_balances completely? +

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

spraay_balances is provided by the Spraay X402 MCP server (spraay-x402-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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