Returns a live price in USD for a based commodity
Returns a live price in USD for a based commodity @param api_key: The api key allocated to your application @param code: The crypto code e.g BTC, ETH, ALGO, HBAR
@return: a json object
| Name | Required | Description | Default |
|---|---|---|---|
| code | Yes | ||
| api_key | Yes |
| Name | Required | Description | Default |
|---|---|---|---|
No arguments | |||
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations, the description must disclose behavioral traits, but it only states that a live price is returned and that the result is a JSON object. It does not mention read-only nature, authentication requirements beyond the api_key parameter, rate limits, error behavior, or what 'based commodity' means. The description is minimal and lacks safety or side-effect context.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Is the description appropriately sized, front-loaded, and free of redundancy?
The description is short and front-loaded with the main purpose. It uses a clear @param and @return structure. However, the first sentence is duplicated verbatim, which adds unnecessary redundancy and slightly reduces clarity.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Despite being a simple two-parameter lookup tool, the description covers the essential purpose and parameter meanings. It does not explain the response structure or error cases, but since an output schema exists, that isn't strictly required. The overall completeness is adequate for a simple price query, though a bit more context on the 'based commodity' term would help.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
The description explains both parameters: api_key as 'the api key allocated to your application' and code as 'the crypto code' with concrete examples (BTC, ETH, ALGO, HBAR). This adds meaningful context beyond the bare schema, which just lists string types without descriptions.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states the tool 'Returns a live price in USD for a based commodity' and gives concrete examples of crypto codes (BTC, ETH, ALGO, HBAR), making the purpose obvious. It is distinct from sibling tools like currency_forex or currency_rates by specifically focusing on crypto, though the term 'based commodity' is slightly awkward.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Does the description explain when to use this tool, when not to, or what alternatives exist?
The description provides no guidance on when to use this tool versus alternatives. It does not mention that this is specifically for crypto prices or that other tools exist for forex or general rates. No exclusions or contextual usage hints are given.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
Add one secure layer between your agents and this server.
Several tools have overlapping or identical purposes (e.g., netfluid__session and netfluid__session_2_token, netfluid__email and netfluid__send_email). With 142 tools spanning wallet, crypto, funding, and paywall features, distinguishing between similar account/crypto/balance tools requires careful reading of descriptions.
Most tools follow a snake_case pattern with a netfluid__ or paywall__ prefix, but there are inconsistencies like netfluid__session_2_token, netfluid__netfluid_voucher_check, and single-noun tools (netfluid__skill, netfluid__fees). The two namespaces use slightly different conventions, making the overall set feel less uniform.
At 142 tools, this is an extremely large surface for any MCP server. Even for a comprehensive financial platform, this exceeds practical usability and likely includes duplicates or overly granular operations.
The tool set covers a wide range of operations including account management, crypto transactions, funding methods, withdrawals, and paywall subscriptions. However, the presence of duplicate tools suggests redundancy rather than a clean, minimal complete surface, and some workflows may require chaining many tools.