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

Annotations already declare readOnly, non-destructive, openWorld, so safety is covered. The description adds genuine behavioral context beyond that: the tool is intended for polling and the caller must carry cursor and filter values forward between calls. It stops short of stating cadence, rate limits, or what 'fresh, verified' guarantees.

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?

Two short sentences, both earning their place, with the purpose front-loaded ahead of the operational note. Minor slippage: it refers to 'nextCursor' while the parameter is named 'cursor', adding a small decoding step.

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?

An output schema exists, so return values need not be explained, and annotations carry the safety profile. The description covers purpose and the polling contract, though with 0% parameter coverage and no sibling differentiation it leaves a couple of gaps an agent would notice.

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 description coverage is 0%, so the description must compensate for two bare parameters. It names both (cursor as 'nextCursor', minScore) and clarifies they should be preserved across polls, which implies their pagination/filter roles. It still gives no value format, range, or default for minScore.

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?

States a specific verb (Read) and resource (the member's Alpha Launch feed) with qualifying adjectives 'fresh, verified'. It is clear what the tool returns, but it never distinguishes itself from closely-named siblings like get_alpha or get_alpha_surge, so an agent must infer which feed it actually wants.

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 polling instruction ('Preserve nextCursor and minScore when polling') implies this is a repeatedly-invoked feed reader, which is useful invocation guidance. However, there is no explicit when-to-use versus get_alpha/get_alpha_surge, and no condition telling the agent which feed to pick.

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