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ds-ac-poc

DVMCP — Damn Vulnerable MCP

by ds-ac-poc

mktg.manage_social_accounts

Manage NovaTech's social media accounts by listing or updating configurations on Twitter, LinkedIn, and Facebook.

Instructions

List or update social media account configurations for NovaTech's presence on Twitter, LinkedIn, and Facebook.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
actionYesAction to perform
platformNoSocial media platform
Behavior2/5

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

With no annotations provided, the description carries the full burden of behavioral disclosure. It states 'update' as a possible action but does not disclose any side effects, permission requirements, reversibility, or what the update operation actually changes. This is a significant gap for a mutation-capable tool.

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?

A single, focused sentence that front-loads the actions ('List or update') followed by the resource and scope. Every word contributes to the meaning with no redundancy.

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?

The description is insufficiently informative for a tool with no output schema and no annotations. It does not explain what an 'update' entails (no additional config fields are mentioned) or what the response looks like. While the parameters are clear, the outcome and side effects are left entirely ambiguous.

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?

The schema already provides complete descriptions for both parameters (action and platform) with enums, achieving 100% coverage. The description adds context about the company and platforms but does not add meaningful semantic detail beyond the schema, so the baseline of 3 is appropriate.

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 tool's function with specific verbs ('List or update') and a specific resource ('social media account configurations'), plus a defined scope ('NovaTech's presence on Twitter, LinkedIn, and Facebook'). This distinguishes it from sibling marketing tools like manage_campaigns or query_analytics.

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 scope is made very clear (managing social account configs), and the actions are enumerated. However, it does not explicitly mention when not to use it or point to alternative tools for other resources (e.g., campaigns). Still, the context is unambiguous enough for an agent to infer appropriate use.

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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