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BlockBeatsOfficial

blockbeats-mcp

Official

get_contract_oi_data

Fetch open interest (OI) data for crypto derivatives from major exchanges including Binance, Bybit, and Hyperliquid. Available timeframes from daily to yearly.

Instructions

获取 Binance、Bybit、Hyperliquid 等主流合约平台未平仓合约(OI)数据

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
dataTypeNo时间维度:1D日 | 1W周 | 1M月 | 3M | 6M | 12M年1D
Behavior2/5

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

No annotations are provided, so description must fully disclose behavior. It only states what data is retrieved but omits whether it is a read operation, any authentication needs, rate limits, data freshness, or potential side effects. The behavior is largely opaque.

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?

A single, front-loaded sentence that directly states the tool's purpose. No extraneous words or repetition. Highly efficient.

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 output schema, the description should clarify what the tool returns (e.g., format, platform breakdown, time series). It does not. Also lacks any behavioral context or edge-case handling, leaving the agent with significant unknowns.

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 a single parameter dataType whose enum and description are clearly defined in the schema. The description adds no additional meaning beyond the schema, so baseline score of 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?

Description clearly states the tool retrieves open interest (OI) data from specific platforms (Binance, Bybit, Hyperliquid) – a specific verb+resource. It naturally distinguishes from sibling tools like get_btc_etf_flow or get_exchange_rankings which cover different data types.

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. The description does not explain when OI data is relevant or mention any prerequisites or context for selection among the listed siblings.

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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