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list_drafts

Read-only

List all draft posts on Substack with title, creation date, and audience. Control output with limit and offset parameters.

Instructions

List draft posts. Returns title, creation date, and audience for each draft.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
limitNoMax drafts to return (1-100)
offsetNoNumber of drafts to skip
Behavior3/5

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

Annotations declare readOnlyHint=true, and the description aligns with a read operation. No additional behavioral traits (e.g., ordering, filtering scope) are disclosed beyond the schema, which is sufficient but not enriched.

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?

Two concise sentences with no wasted words. The purpose is front-loaded, and the return fields are clearly stated.

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

Completeness4/5

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

Given no output schema, the description partially compensates by listing return fields. The tool is simple with two parameters, and the description covers the essentials without omissions.

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

Parameters3/5

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

Schema coverage is 100% with clear descriptions for 'limit' and 'offset'. The tool description does not add extra meaning to these parameters; it only mentions return fields. Baseline 3 is appropriate.

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

Purpose4/5

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

The description clearly states the tool lists draft posts and specifies the return fields (title, creation date, audience). It distinguishes from 'list_published_posts' by mentioning drafts, but does not explicitly differentiate from other siblings.

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?

No guidance on when to use this tool versus alternatives like 'get_draft' or 'list_published_posts'. The context suggests a simple listing, but no usage conditions or exclusions are given.

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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