Twitter Api45 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 almost none. It does not explain pagination behavior (how the cursor works), what data is returned (user objects vs IDs), rate limits, or error conditions. The word 'Get' implies read-only access but this is not explicitly stated.

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 single sentence is appropriately brief and front-loaded with the core action. While extremely minimal, it contains no filler or redundant text—every word serves a purpose, even if the overall description is underspecified.

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 the lack of output schema and annotations, the description should provide more context about return values, pagination mechanics, and list member semantics. For a 2-parameter tool interacting with Twitter/X's list API, the current description is insufficient for robust agent operation.

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?

Schema coverage is 100%, establishing a baseline of 3. The description adds no parameter semantics beyond the schema, which itself only provides example values rather than explanations (e.g., the 'cursor' parameter has an empty example with no explanation of its pagination purpose).

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 uses a specific verb ('Get') and resource ('members of the list'), making the basic purpose clear. However, it fails to distinguish from sibling tools like 'list_followers' or 'community_members', which could cause confusion about which tool retrieves list subscribers versus list members.

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 (e.g., 'list_followers'), nor does it mention pagination requirements despite the presence of a 'cursor' parameter. No prerequisites or rate limit warnings are included.

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