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get_gas_price

Retrieves current base gas price and EIP-1559 priority fee in wei (hex) for any supported EVM chain, enabling transaction cost estimation.

Instructions

Get current gas pricing on a chain: base gas price and the suggested priority fee (EIP-1559), both in wei (hex).

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
chainYesChain slug, e.g. 'eth', 'base', 'robinhood'
Behavior4/5

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

With no annotations, the description carries full burden. It discloses outputs and format (wei hex) but does not mention data freshness, caching, or any side effects. Reasonably transparent for a read-only gas price tool.

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

Conciseness5/5

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

The description is a single sentence that is concise, front-loaded with the main purpose, and contains no unnecessary information.

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

Completeness4/5

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

Given no output schema, the description explains return values (base gas price, priority fee) and format (wei hex). For a simple tool with one parameter, it is mostly complete, though lacking mention of real-time nature.

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?

Schema coverage is 100% with enum and description for the chain parameter. The tool description does not add additional meaning beyond the schema, so baseline score is appropriate.

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 it gets current gas pricing on a chain, specifying the exact outputs (base gas price and priority fee in wei hex). This distinguishes it from siblings that retrieve other blockchain data like balances or transactions.

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?

The description does not explicitly state when to use this tool versus alternatives. The purpose is implied, but there is no guidance on prerequisites, data freshness, or when not to use it.

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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