stats__dailyavggaslimit

THE RISK

Low Risk

Why stats__dailyavggaslimit needs a policy

This tool only retrieves historical data about Ethereum network gas limits. It performs no modifications, executions, deletions, or financial operations. It is a simple read-only query against public blockchain statistics, presenting minimal risk even if misused by an AI agent.

From the tool's definition Tool name 'stats__dailyavggaslimit' and description 'Returns the historical daily average gas limit' indicate a query operation that retrieves historical blockchain statistics with no side effects.

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

POLICY

How to control stats__dailyavggaslimit

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__dailyavggaslimit:

policy.json

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

stats__dailyavggaslimit 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

Related tools and policies

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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__dailyavggaslimit

What does the stats__dailyavggaslimit tool do? +

Returns the historical daily average gas limit 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__dailyavggaslimit? +

Register the Etherscan MCP server in PolicyLayer and add a rule for stats__dailyavggaslimit: 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__dailyavggaslimit? +

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

Can I rate-limit stats__dailyavggaslimit? +

Yes. Add a rate_limit block to the stats__dailyavggaslimit 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__dailyavggaslimit completely? +

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

stats__dailyavggaslimit 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 →