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LtMarx

SABnzbd MCP

by LtMarx

purge_history

Purge all completed downloads from SABnzbd history. Optionally delete the downloaded files to free up storage space.

Instructions

Purge all completed downloads from history

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
delete_filesNoAlso delete the downloaded files
Behavior2/5

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

No annotations are provided, so the description must disclose behavioral traits. It states the action but does not mention that it is destructive/irreversible, what happens to associated files (unless delete_files is true), or any required permissions. The behavioral implications are minimally covered.

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 a single, well-formed sentence with no superfluous words. It is front-loaded with the core action and resource, achieving high efficiency.

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 the tool's low complexity (one optional boolean parameter, no output schema, no annotations), the description is mostly adequate. However, it could mention that purge is irreversible to aid agent decision-making. With missing annotations, the completeness is slightly reduced.

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 input schema has 100% coverage for its single parameter, with a clear description: 'Also delete the downloaded files'. The tool description adds no additional meaning beyond the schema, so baseline score 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 'Purge all completed downloads from history' uses a specific verb 'Purge' and clearly identifies the resource ('completed downloads from history'). It distinguishes from the sibling 'delete_history' tool by specifying 'completed' and 'history' context.

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

Usage Guidelines3/5

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

No explicit guidance on when to use this tool versus alternatives. The sibling 'delete_history' implies a different scope, but the description doesn't state when to prefer this tool or warn against improper 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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