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crazyrabbitLTC

MCP Etherscan Server

get-gas-prices

Get current Ethereum gas prices in Gwei to estimate transaction fees accurately.

Instructions

Get current gas prices in Gwei

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations provided, and the description omits behavioral details like data freshness, polling limits, or whether it returns a single value or multiple fee levels. For a zero-parameter tool, the description carries full burden and leaves ambiguity.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Extremely concise single sentence, no wasted words. However, could have added output format without harming conciseness.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Despite low complexity and no parameters, the lack of output schema means the description should clarify what 'gas prices' includes (e.g., low/avg/high). Fails to fully inform an agent about return format.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

No parameters exist, so schema coverage is 100%. No additional param info needed; the description appropriately has no redundant details.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the action (get), the resource (current gas prices), and the unit (Gwei). It effectively distinguishes from sibling tools like check-balance or get-transactions, which are unrelated.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No explicit guidance on when to use or alternatives, but the tool's simplicity and unique purpose among siblings make usage straightforward. Lacks when-not or context for multi-fee levels.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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