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BACH-AI-Tools

Crypto News51 MCP Server

listing_delisting

Retrieve cryptocurrency listing and delisting events with dates. Sort by published or event date to monitor exchange changes and market activity.

Instructions

listing-delisting

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
sort_byNoSort by 'published' or 'event' date
Behavior1/5

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

No annotations are provided, and the description gives no behavioral details such as whether the tool is read-only, what it returns, or any side effects. The description 'listing-delisting' offers no transparency.

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

Conciseness2/5

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

The description is extremely brief, but this is under-specification rather than effective conciseness. It does not front-load useful information and fails to earn its place as a meaningful description.

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

Completeness1/5

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

With no output schema, no annotations, and a one-word description, the tool lacks essential context. There is no indication of what the tool returns, how it behaves, or how it relates to the other crypto tools.

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?

The input schema fully describes the 'sort_by' parameter with its meaning ('Sort by published or event date'), so schema coverage is 100%. The tool description adds no extra semantic value, but the schema carries the burden adequately.

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

Purpose1/5

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

The description 'listing-delisting' is a tautology that simply restates the tool name without indicating any specific action or resource. It fails to distinguish itself from sibling tools or explain what it actually does.

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

Usage Guidelines1/5

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

There is no guidance about when to use this tool versus the sibling tools (e.g., coins_price_list, crypto_rates). No context, prerequisites, or alternatives are mentioned.

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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