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osamuelnovaes

mcp-reddit-publisher

Preview text post

preview_text_post

Validate and preview a Reddit text post to check formatting, rules, and appearance before publishing.

Instructions

Validates and previews a Reddit text post without publishing.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
subredditYes
titleYes
bodyYes
sendRepliesNo
nsfwNo
spoilerNo
flairIdNo
Behavior2/5

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

No annotations are provided, so the description carries full burden. It only states 'without publishing' but does not disclose validation behavior, error handling, or side effects.

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

Conciseness2/5

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

The description is a single sentence, which is brief but under-specified. It lacks structure and essential details beyond the basic purpose.

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

Completeness1/5

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

With 7 parameters, no output schema, and no annotations, the description is vastly insufficient. It does not explain validation rules, preview output format, or any constraints.

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?

Schema description coverage is 0%, and the description adds no information about any of the 7 parameters. The agent must infer meaning solely from parameter names.

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 it 'validates and previews a Reddit text post without publishing', providing a specific verb and resource while distinguishing from the sibling tool 'submit_text_post' which publishes.

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

Usage Guidelines4/5

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

The description implies usage for previewing rather than publishing, but lacks explicit when-to-use or when-not-to-use guidance compared to alternatives like submit_text_post.

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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