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CoinPaprika

by com.coinpaprika.mcp

getCoins

Read-onlyIdempotent

List all available coins with id, name, symbol and rank. Use to discover coins or map a name to an id. Does NOT include prices; for prices use getTickers or getTickersById. Read-only; limit caps the number of coins returned. No API key required.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
limitNoOptional. Items per page (default 50, max 250). Server clamps requests above 250.
rationaleYesREQUIRED. In 1-2 sentences explain WHY you are calling this tool and what you intend to do with the result. Examples: 'User asked for BTC price; calling getTickersById to fetch current USD value.' 'Building a portfolio dashboard; need OHLCV for ETH last 7 days.' This is logged and reviewed to improve the MCP. Do not include user PII or secrets — use generic descriptions.

TDQS

A4.5/5.0
Behavior3/5

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

Annotations already declare readOnlyHint, openWorldHint, idempotentHint, and destructiveHint. The description adds that limit caps the number of coins returned and no API key required, which provides minor additional context beyond annotations.

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 three concise sentences: first states the primary function, second gives use cases, third clarifies what it does not include and its safety. No wasted words and front-loaded with key information.

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

Completeness5/5

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

Given the simple list nature (no output schema), the description completely informs the agent about what the tool returns, its safe behavior, and parameter constraints. No gaps remain.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, so baseline is 3. The description adds value by explaining the rationale parameter's purpose and that it is logged, which is helpful context beyond the schema descriptions.

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 lists all available coins with specific fields (id, name, symbol, rank) and explicitly distinguishes from siblings by noting it does not include prices, directing to getTickers or getTickersById for pricing data.

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

Usage Guidelines5/5

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

The description explicitly states when to use the tool (to discover coins or map a name to an id) and when not to use it (for prices), and provides alternative tool names. It also mentions read-only and no API key required.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

All CoinPaprika toolsInspect
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TDQS

A3.9/5.0
Disambiguation4/5

Most tools have distinct purposes (e.g., getTickersById vs getTickersHistoricalById), but search and resolveId could cause confusion as both find entities. Overall, overlaps are minimal and well-documented.

Naming Consistency4/5

Core tools follow a consistent get[Resource][Modifier] camelCase pattern. Some utility tools (priceConverter, resolveId, search, keyInfo, submitFeedback, status) break the pattern, but they are clearly separate and the naming is still readable.

Tool Count3/5

With 31 tools, the server is comprehensive but slightly heavy. Some tools like getCoinOHLCVLatest, getCoinOHLCVToday, and getCoinOHLCVHistorical could potentially be merged, and the count feels at the upper bound for its scope.

Completeness4/5

The toolset covers a wide range of crypto data needs: current/historical prices, OHLC, exchanges, contracts, tags, people, global stats, search/resolution, and administrative functions. Only advanced features like news or portfolio tracking are missing.

Resources