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rusty4444

changedetection-mcp

by rusty4444

get_watch

Retrieves detailed information about a specific watch by its UUID, enabling you to inspect website change detection configurations.

Instructions

Get detailed information about a specific watch.

Input Schema

NameRequiredDescriptionDefault
uuidYesThe watch UUID

Output Schema

NameRequiredDescriptionDefault
resultYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

C2.9/5.0
Behavior2/5

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

No annotations are provided, so the description carries the full burden. 'Get' implies a read, but it says nothing about permissions, behavior for an unknown/invalid UUID, or what 'detailed information' actually encompasses — a vague phrase for a tool whose output schema the agent cannot see in the description.

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?

One short, front-loaded sentence with zero filler. It is efficient, though its brevity borders on under-specification rather than tightness.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

An output schema exists, so return values need not be described. For a simple single-record getter that is minimally adequate, but with no annotations and no usage context, the definition stops short of what an agent needs to invoke it confidently.

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% with a single 'uuid' parameter documented as 'The watch UUID'. The description adds no format, source, or acquisition guidance for that identifier, so the baseline 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 ('Get') and resource ('a specific watch') with the scope narrowed to a single record, which implicitly separates it from list_watches. However, it does not name or distinguish itself from near-neighbors like get_watch_history or get_snapshot_diff.

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 on when to use this versus list_watches or search_watches, and no mention of prerequisites such as needing a UUID from a prior listing call. The agent must infer usage entirely from the name.

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