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list_posts

List recent stories published by a Medium user, defaulting to the authenticated user. Retrieve details like title and URL for content review.

Instructions

Read-only. List recent stories by a user (default: self).

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
limitNo
usernameNo
Behavior2/5

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

The description only states 'Read-only' but does not elaborate on traits such as pagination, time window for 'recent', or any constraints. With no annotations provided, the burden falls on the description, which falls short.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is extremely concise—only 7 words—and every word is meaningful. The 'Read-only' prefix is front-loaded for immediate safety signals. No wasted text.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool has 2 optional parameters, no output schema, and no annotations, the description is too brief. It lacks details on parameter semantics, result format, or behavioral constraints (e.g., rate limits, ordering).

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters1/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The input schema has 2 parameters (limit, username) with 0% coverage in the description. The description adds no information about what these parameters control or their effects, forcing the agent to infer from defaults alone.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the action (list), the resource (recent stories), and scope (by a user, default self). It also adds 'Read-only' to indicate safe operation, distinguishing it from mutation tools.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

While the description implies usage for listing recent stories of a specific user, it provides no explicit guidance on when to use this tool versus siblings like search_posts or get_feed. No when-not-to-use or alternatives mentioned.

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

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