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Radarr MCP server

by rollecode

update_notification_by_id

Idempotent

Update an existing Radarr notification by its ID with modified settings. Specify the notification ID and the updated payload to apply changes.

Instructions

Update Notification.

PUT /api/v3/notification/{id}

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

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
idYes
bodyYes
force_saveNo

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.0.0

TDQS

A3.9/5.0
Behavior3/5

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

The annotations already signal mutation (readOnlyHint=false), idempotency, and non-destructiveness, so the description's job is lighter. The description adds the HTTP method and body/query parameter locations but no behavioral context such as validation failure behavior, permissions, or partial-update semantics. It does not contradict the annotations.

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 very short, with the operation front-loaded and each parameter on its own line. Every sentence provides useful information, and the body-schema instruction is valuable despite its brevity.

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 three-parameter update tool with an output schema and safety annotations, the description covers the essential invocation details: endpoint, id, body preparation, and force_save location. It is complete enough to invoke correctly, though a sentence explaining force_save's intent would be stronger.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema documentation coverage is 0%, so the description must carry parameter meaning. It identifies id as a path parameter, body as the request payload, and force_save as a query parameter, and instructs the agent to inspect the GET/schema endpoint for body fields. The force_save parameter's exact effect is not explained, leaving some ambiguity.

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?

The description states the operation and resource: "Update Notification" and the PUT endpoint, making the tool's function clear. It does not explicitly contrast this tool with sibling update_* tools, though the resource name prevents confusion. This is clear but not differentiated beyond the resource.

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?

It provides concrete guidance for using the tool: read the matching GET or /schema endpoint before constructing the body. It implies the standard update workflow but does not state when to choose this over alternatives like create_notification or list_notification_schema. No explicit exclusions or when-not conditions are given.

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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