stats__dailyavghashrate

THE RISK

Low Risk

Why stats__dailyavghashrate needs a policy

This is a straightforward data retrieval tool that queries Ethereum network statistics. It has no side effects, cannot modify blockchain data, execute code, or trigger financial transactions. The blast radius of misuse is minimal—an agent could only retrieve redundant historical information already public on the blockchain. Classified as Read with low severity.

From the tool's definition Tool returns 'historical measure of processing power' - a query operation that retrieves blockchain statistics without modifying state. Etherscan APIs are read-only data access endpoints.

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

POLICY

How to control stats__dailyavghashrate

PolicyLayer is an MCP gateway — it sits between your AI agents and Etherscan MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for stats__dailyavghashrate:

policy.json

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

stats__dailyavghashrate 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 Etherscan MCP — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

Free to start. No card required.

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 stats__dailyavghashrate

What does the stats__dailyavghashrate tool do? +

Returns the historical measure of processing power of the Ethereum network. It is categorised as a Read tool in the Etherscan MCP MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on stats__dailyavghashrate? +

Register the Etherscan MCP server in PolicyLayer and add a rule for stats__dailyavghashrate: 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 Etherscan MCP. Nothing to install.

What risk level is stats__dailyavghashrate? +

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

Can I rate-limit stats__dailyavghashrate? +

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

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

stats__dailyavghashrate is provided by the Etherscan MCP server (xiaok/etherscan-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Etherscan MCP tool call.

Start from Etherscan MCP, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →