Financial News and Notes MCP Server

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

With no annotations provided, the description carries the full burden of behavioral disclosure but offers none. It doesn't indicate whether this is a read or write operation, what permissions might be required, whether it makes external API calls, what side effects it might have, or how it handles errors. The description is completely silent on all behavioral characteristics.

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?

While technically concise with just three words, this description represents under-specification rather than effective conciseness. The single phrase 'ApiClient tool description' fails to communicate essential information and doesn't earn its place as a helpful description. True conciseness requires communicating necessary information efficiently, which this description fails to do.

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?

Given that there are no annotations, no output schema, and the description provides minimal information, this is completely inadequate for a tool that presumably performs some API-related function. The description fails to explain what the tool does, when to use it, what behavior to expect, or how it relates to sibling tools. For any non-trivial tool, this level of description is insufficient.

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 schema description coverage is 100% with the single parameter 'message' documented as 'Message to process.' The description adds no additional parameter information beyond what the schema already provides. According to the scoring rules, when schema coverage is high (>80%), the baseline is 3 even with no parameter information in the description, which applies here.

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 'ApiClient tool description' is a tautology that merely restates the tool name with minimal variation. It provides no specific verb or resource information, doesn't explain what the tool actually does, and fails to distinguish it from sibling tools like data-processor or file-handler. This is essentially a placeholder description that offers no meaningful purpose clarification.

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 absolutely no guidance about when to use this tool versus alternatives. There's no mention of appropriate contexts, prerequisites, or comparisons to sibling tools. The agent receives no information about whether this tool should be used for API communication, client management, or any other specific function relative to the other available tools.

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