# getEthBalance

A read tool on the Ethereum Tools MCP server.

Agent View of the PolicyLayer registry record for `getEthBalance`. HTML page: https://policylayer.com/tools/0xgval-evm-mcp-tools/getethbalance

## Facts

- Tool: `getEthBalance`
- Server: Ethereum Tools (`0xgval/evm-mcp-tools`) — https://policylayer.com/tools/0xgval-evm-mcp-tools.md
- Homepage: https://github.com/0xGval/evm-mcp-tools
- Risk category: Read (Low risk)
- Registry record: grade B, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Allowed

## Example call (MCP tools/call, JSON-RPC 2.0)

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "getEthBalance",
    "arguments": {}
  }
}
```

## Why getEthBalance is rated Low

This tool retrieves balance data from the blockchain without modifying, executing operations, or committing financial transactions. It is a straightforward read operation. While the description is empty (reducing confidence slightly), the tool name and server context provide sufficient evidence to classify it as Read with low severity.

From the tool's own definition: "Tool name 'getEthBalance' indicates a data retrieval operation that queries Ethereum wallet balance information."

## Use case

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

## Recommended policy (PolicyLayer)

Verdict: **Allowed**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches Ethereum Tools:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "getEthBalance": {}
  }
}
```

## Other tools on Ethereum Tools (10)

- `add` — Other — https://policylayer.com/tools/0xgval-evm-mcp-tools/add.md
- `analyzeToken` — Read — https://policylayer.com/tools/0xgval-evm-mcp-tools/analyzetoken.md
- `auditContract` — Read — https://policylayer.com/tools/0xgval-evm-mcp-tools/auditcontract.md
- `getTokenInfo` — Read — https://policylayer.com/tools/0xgval-evm-mcp-tools/gettokeninfo.md
- `getTokenPriceHistory` — Read — https://policylayer.com/tools/0xgval-evm-mcp-tools/gettokenpricehistory.md
- `getTokensBalance` — Read — https://policylayer.com/tools/0xgval-evm-mcp-tools/gettokensbalance.md
- `getTransactionCount` — Read — https://policylayer.com/tools/0xgval-evm-mcp-tools/gettransactioncount.md
- `getWalletPnl` — Read — https://policylayer.com/tools/0xgval-evm-mcp-tools/getwalletpnl.md
- `searchTwitter` — Read — https://policylayer.com/tools/0xgval-evm-mcp-tools/searchtwitter.md
- `twitterSearchHelp` — Read — https://policylayer.com/tools/0xgval-evm-mcp-tools/twittersearchhelp.md

## For agents

This record is a snapshot. Live verdicts and the full registry:

- Check every server in your MCP config at once: `npx -y policylayer stack`
- Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md)
- Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events`

---

Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=0xgval-evm-mcp-tools · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/0xgval-evm-mcp-tools