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eth_gas_now

Retrieve current Ethereum gas prices. Pay per call using USDC on Base network, with free tier available.

Instructions

[Crypto] Gas当前 — $0.01/call (free tier: 50/50 today) API: https://goldbean-api.xyz/paid/eth-gas-now

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, so description must inform behavior. It mentions pricing and an API URL, hinting at an external paid call, but does not disclose what the tool returns, side effects, or any other behavioral traits.

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

Conciseness3/5

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

The description is short and front-loaded with a label, but the label is cryptic and not explanatory. It could be more concise if it stated the core action clearly.

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?

Given no parameters and no output schema, the description is still incomplete; it fails to specify what the tool returns (e.g., current gas price). This is a significant gap for a simple tool.

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

Parameters3/5

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

No parameters exist, so baseline is 3 per high schema coverage. The description adds no additional meaning about parameters, but lacks clarification on the tool's purpose.

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

Purpose2/5

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

The description mentions 'Gas' and 'Gas当前' but does not explicitly state an action like 'get' or 'fetch'. It vaguely relates to current gas for crypto, but lacks a clear verb and resource. Sibling tools like 'gas_forecast' suggest a similar domain, but no differentiation.

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

Usage Guidelines2/5

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

No guidance on when to use this tool versus alternatives like 'gas_forecast'. The description provides no context about scenarios or exclusions.

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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