util_gas_cost_wei

Compute gas_used × gas_price as total gas cost in wei

SERVERDelx MCP Server SOURCEdelx-mcp-server

Low RISK CLASS

Category Read

Parameters 22 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-davidmosiah-delx-mcp-server/util-gas-cost-wei.md

WHAT IT DOES

What util_gas_cost_wei does on Delx MCP Server

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

Parameter	Type	Required	Description
`gas_used`	integer	Yes	Input field: gas used.
`gas_price_wei`	string	Yes	Input field: gas price wei.

Parameters from the server's own tool schema.

RISK

Why util_gas_cost_wei is rated Low

Even though util_gas_cost_wei only reads data, uncontrolled read access leaks sensitive information and racks up API costs: an agent caught in a retry loop can make thousands of calls a minute without anyone noticing.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs util_gas_cost_wei safely

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

util_gas_cost_wei Allowed

util_gas_cost_wei 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": {
    "util_gas_cost_wei": {}
  }
}

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

The button opens the PolicyLayer dashboard: create your workspace, connect Delx MCP Server, apply this rule, and every util_gas_cost_wei call is checked against it from then on.

FAQ

Questions about util_gas_cost_wei

What does the util_gas_cost_wei tool do? +

Compute gas_used × gas_price as total gas cost in wei. It is categorised as a Read tool in the Delx MCP Server MCP Server, which means it retrieves data without modifying state.

What parameters does util_gas_cost_wei accept? +

util_gas_cost_wei accepts 2 parameters: gas_used, gas_price_wei. Required: gas_used, gas_price_wei. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on util_gas_cost_wei? +

Register the Delx MCP Server MCP server in PolicyLayer and add a rule for util_gas_cost_wei: 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 Delx MCP Server. Nothing to install.

What risk level is util_gas_cost_wei? +

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

Can I rate-limit util_gas_cost_wei? +

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

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

util_gas_cost_wei is provided by the Delx MCP Server MCP server (delx-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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