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Coinglass: getCoinglassEthereumEtfList

getCoinglassEthereumEtfList
Read-onlyIdempotent

Retrieve a paginated list of Ethereum ETFs. Specify page number and items per page to control results.

Instructions

Get the list of Ethereum ETFs with pagination

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
pageNoPage number (starts from 1)
limitNoNumber of items per page
Behavior3/5

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

Annotations already declare readOnlyHint, destructiveHint, idempotentHint, and openWorldHint, which fully cover the behavioral safety profile. The description adds that the tool supports pagination, which is beneficial but minimal. No further behavioral traits (e.g., rate limits, response structure) are disclosed.

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 with no wasted words. It is front-loaded with the core action and includes the key feature (pagination).

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

Completeness3/5

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

Given the simple read operation and comprehensive annotations, the description is minimally adequate. However, without an output schema, the agent lacks information about return fields, which could be important. A more complete description would list typical fields (e.g., ETF name, net assets).

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 both parameters properly described. The description adds no additional meaning beyond the schema. Baseline 3 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 the tool retrieves a list of Ethereum ETFs with pagination. The verb 'Get' is specific, and the resource is well-defined. It implicitly distinguishes from sibling Bitcoin ETF tool via the name and asset focus.

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 usage guidance is provided. There is no mention of when to use this tool versus alternatives like getCoinglassBitcoinEtfList or getCoinglassEthereumETFNetAssetsHistory. The agent must infer context from the name alone.

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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