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CC3-0

CoinCap MCP Server

by CC3-0

agentFriendly_full_assets_by_slug

Retrieve full asset data for up to 10 cryptocurrency slugs, with optional fields for website, explorer, technical analysis, supply, tokens, news, and historical prices.

Instructions

Get comprehensive asset data with all available fields

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
slugsYesComma-separated list of asset slugs (max 10)
includeWebsiteNoInclude website URL
includeExplorerNoInclude explorer URL
includeTaDataNoInclude technical analysis data
includeSupplyNoInclude supply information
includeTokensNoInclude token addresses
includeNewsNoInclude news headlines
includeHistoryNoInclude historical price data (5min/24h, daily/30d, weekly/365d)
Behavior2/5

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

With no annotations, the description carries full burden but only says 'comprehensive' without detailing behavior (e.g., rate limits, max slugs, exact fields returned). The schema mentions max 10 slugs, but the description adds no extra behavioral context.

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

Conciseness4/5

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

A single sentence that states the purpose concisely. It is front-loaded with the key action and resource. However, could include more context without significant bloat.

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 8 parameters, no output schema, and many siblings, the description is insufficient. It does not explain how boolean parameters affect output, what 'comprehensive' includes, or constraints like slug limits. An agent would need supplementary knowledge.

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 description coverage is 100%, so parameters are well-documented in the schema. The description adds no additional meaning beyond 'all available fields'. Baseline 3 is appropriate.

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

Purpose4/5

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

The description clearly states the verb 'Get' and resource 'comprehensive asset data with all available fields', indicating it retrieves full asset details. However, it does not differentiate from sibling tools like agentFriendly_history_slug or agentFriendly_assets_search, which limits clarity for selection.

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 is provided on when to use this tool versus alternatives, such as for specific subsets like history or search. The description lacks when-not or alternative suggestions.

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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