Twitter 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. It states the tool performs a deletion (implying a destructive mutation) but doesn't specify whether this action is reversible, requires special permissions, has side effects, or provides confirmation feedback. For a destructive tool with zero annotation coverage, this lack of detail is a significant gap in transparency.

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 extremely concise and well-structured: a clear purpose statement followed by a parameter explanation. Every sentence earns its place, with no redundant or verbose language. It's front-loaded with the core action, making it easy for an agent to quickly grasp the tool's function.

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 tool's destructive nature, lack of annotations, and absence of an output schema, the description is incomplete. It doesn't cover critical aspects like what happens after deletion (e.g., success confirmation, error handling), whether the watch_id must be valid, or how this interacts with other monitoring functions. For a mutation tool with no structured safety cues, more context is needed.

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 includes an 'Args' section that documents the single parameter 'watch_id' as 'The monitoring record ID to delete,' adding semantic meaning beyond the schema (which has 0% description coverage and only provides type information). This compensates adequately for the low schema coverage, establishing a baseline understanding of the parameter's 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 clearly states the action ('Delete') and resource ('a Twitter user from monitoring list'), making the purpose unambiguous. It distinguishes itself from sibling tools like 'add_twitter_watch' by specifying deletion rather than addition. However, it doesn't fully differentiate from other potential deletion operations in the sibling set, keeping it at 4 rather than 5.

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 doesn't mention prerequisites (e.g., needing an existing watch_id), exclusions, or relationships with sibling tools like 'get_twitter_watch' for retrieving IDs. The agent must infer usage from context alone, which is insufficient for clear decision-making.

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