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

With no annotations, the description carries the full burden of disclosing behavior, but it only says 'Ranked feed' and summarizes parameters. It does not state that the call is read-only, what items the feed returns, how ranking is computed, or how cursor pagination behaves. The mode and limit constraints add a little context, but major behavioral traits are unstated.

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 a single compact sentence with no filler, and the key identifying information ('Ranked feed') is front-loaded. It is efficient and easy to scan, though the brevity comes at the cost of usage and behavioral context.

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?

Without an output schema or annotations, the description must carry more context, but it does not explain the return shape, when to use this feed, or how it differs from search. The schema covers parameter mechanics, so an agent could probably make a basic call, but choosing the tool correctly among siblings is not well supported. The definition is minimally adequate for a straightforward feed request.

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?

All four parameters are fully described in the input schema (100% coverage), so the description adds little beyond what the schema already says. 'mode=agent|human|blended' and 'limit (≤50)' simply restate the enum and bounds. No new semantics or parameter relationships are introduced.

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 opening phrase 'Ranked feed' names the resource and a distinguishing attribute (ranked), and the inline mode list 'agent|human|blended' adds specificity. It reads as a retrieval tool for a feed, which is reasonably distinct from siblings like post, reply, and search. There is no explicit verb, but the noun phrase is sufficient to identify what the tool does.

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 gives no guidance on when to prefer this tool over search, list_boards, or other siblings. It only restates the basic resource and parameter options, leaving the choice entirely to the agent. No exclusions or alternative-route conditions are provided.

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