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Radarr MCP server

by rollecode

create_release_push

Idempotent

Push a release to Radarr to trigger download or processing. Send release details in the request body to add it for management.

Instructions

Create ReleasePush.

POST /api/v3/release/push

Args: body: Request payload. Read the matching GET or the /schema endpoint first to see the fields this resource expects.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
bodyYes

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.0.0

TDQS

B3/5.0
Behavior3/5

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

Annotations already declare readOnlyHint=false, destructiveHint=false, and idempotentHint=true. The description adds the instruction to read the schema first, which is a behavioral context about how to construct the body. It does not contradict annotations and provides a small additional hint, but it does not elaborate on side effects, authentication, or rate limits. This is acceptable given the annotations but not rich.

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

Conciseness4/5

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

The description is compact and efficient, consisting of two sentences. The action and endpoint are front-loaded, and the instruction to read the schema is clearly placed. There is no wasted wording, and the length is appropriate for the sparse content.

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?

For a create operation with an open-ended body and no field documentation, the description relies on the agent fetching the schema. It does not explain what a ReleasePush is or its purpose, nor does it clarify the distinction from the closely named create_release. Given the large sibling list, more context about when and why to use this tool is needed for an agent to call it correctly.

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 only defines 'body' as an open object with additionalProperties:true and no field descriptions. Schema description coverage is 0%. The description compensates by directing the agent to fetch the GET or /schema endpoint to learn the expected fields, which is a practical strategy. However, it does not itself explain the parameters or their semantics, so the added meaning is limited to a discovery instruction.

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

Purpose3/5

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

The description states the verb 'Create' and the resource 'ReleasePush', which is a clear action-resource pair. However, it does not explain what a ReleasePush actually is, nor does it differentiate it from the sibling tool create_release, which also creates a release-related resource. The endpoint is provided but the semantic purpose remains vague.

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?

The description gives a useful usage hint: 'Read the matching GET or the /schema endpoint first to see the fields this resource expects.' This tells the agent to discover the required body structure before calling. However, it does not specify when to use this tool versus alternatives like create_release, nor does it mention any exclusions or specific scenarios.

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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