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rollecode

Sonarr MCP server

by rollecode

list_log_file_update

Read-onlyIdempotent

Retrieve update log files to inspect Sonarr's update history and diagnose update issues.

Instructions

Read UpdateLogFile.

GET /api/v3/log/file/update

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes

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?

Annotations already declare readOnlyHint, idempotentHint, and destructiveHint, so the 'Read' description is consistent and the safety profile is clear. The description adds the HTTP endpoint but does not add behavioral context such as list semantics, pagination, or return content; this is acceptable but minimal.

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 extremely short and front-loaded: one action sentence and the exact endpoint. No filler or redundant explanation, though it could have used the space to add one clarifying phrase about listing all update log files.

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 zero-parameter, read-only, idempotent GET operation with an output schema, this is largely complete. The endpoint is specified and the behavior is safe, but the lack of explicit sibling/differentiation guidance is a minor gap.

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?

The tool has zero parameters and the schema coverage is effectively complete, so there is nothing for the description to clarify about parameters. The 0-parameter baseline 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?

The description identifies the resource (UpdateLogFile) and a read/list verb, backed by the concrete GET endpoint. It is clear enough to invoke, but it does not distinguish this from sibling tools such as get_log_file_update_by_filename or list_log_file.

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?

No guidance is given about when to choose this tool over alternatives. There is no mention of it being the list-all variant versus fetching a specific update log file by filename, which the sibling get_log_file_update_by_filename provides.

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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