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mattmaas

Radarr MCP Server

by mattmaas

radarr_get_queue

Retrieve the current Radarr download queue to monitor active downloads, their progress, status, and errors. Supports pagination and sorting.

Instructions

Get current download queue. Shows active downloads, their progress, status, and any errors.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
pageNoPage number for pagination
sortKeyNoField to sort by (timeleft, status, etc.)timeleft
pageSizeNoNumber of items per page
sortDirectionNoSort directionascending
includeUnknownMovieItemsNoInclude items from unknown movies

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.0.0

TDQS

B3.4/5.0
Behavior3/5

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

With no annotations, the description carries the full burden, and it does disclose return content (progress, status, errors), which is real behavioral value. However, it says nothing about pagination limits, snapshot semantics, or the fact that this is a non-mutating read, leaving gaps for a tool with zero annotation coverage.

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 short sentences, front-loaded with the action and followed by the return content. Nothing is wasted or redundant.

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?

For a simple read-only tool with no output schema, the description reasonably summarizes the returned fields. It is only slightly incomplete in not hinting at pagination behavior, which the paged parameters imply.

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 description coverage is 100%, so page, sortKey, pageSize, sortDirection, and includeUnknownMovieItems are already documented in the schema. The description adds no parameter-level meaning, so the baseline of 3 applies.

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?

States a specific verb and resource ('Get current download queue') and enumerates what the result contains (active downloads, progress, status, errors). No sibling performs the same read, so differentiation is implicit rather than explicit, keeping it just short of a 5.

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?

There is no when-to-use guidance, no mention of when the queue is empty, and no reference to alternatives such as radarr_remove_from_queue for acting on items. Usage is only inferable from the name and purpose.

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