Fetch Rolling Stone top stories with titles, URLs, summaries, publication times, and authors to track current coverage; no parameters required.
Get Rolling Stone top stories. Returns Rolling Stone's latest top stories across the site. Takes no parameters, and rollingstone-headlines narrows by section instead. Each item has its title, URL, summary, publication time and author.
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Changes observed during successful MCP inspections.
v1.17.5Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are provided, so the description carries the behavioral burden. It discloses that this is a parameterless read of latest top stories and lists the returned item fields, though it does not mention result limits or pagination behavior.
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 three tight sentences: purpose first, alternative routing second, return shape third. Every sentence contributes useful information and there is no repetition.
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 simple zero-parameter read-only nature, no annotations, and no output schema, the description supplies enough context: what it returns, what parameters it takes, how it differs from the headline sibling, and which fields each item contains.
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 tool has zero parameters, and the description explicitly confirms "Takes no parameters," matching the empty schema. With no parameters to explain, this meets the baseline for a parameterless tool.
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 and resource: "Get Rolling Stone top stories," and clarifies it returns the latest top stories across the whole site. It also distinguishes itself from the section-specific sibling `rollingstone-headlines`, so an agent can tell the two apart without opening either schema.
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?
It explicitly states the tool takes no parameters and names the alternative for section-filtered results: "rollingstone-headlines narrows by section instead." This gives a clear when-to-use-this vs when-to-use-sibling rule.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.