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wiktorekdev

nuvio-mcp

by wiktorekdev

Inspect a snapshot

nuvio_inspect_snapshot
Read-onlyIdempotent

View a snapshot's previous state with secrets masked to safely inspect changes.

Instructions

Show the captured previous state of a snapshot (secrets masked).

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
snapshot_idYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.0.0

TDQS

A3.6/5.0
Behavior4/5

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

Annotations already mark it read-only and idempotent. The description adds useful behavioral context beyond annotations by stating the output is the captured previous state and that secrets are masked, which is important for an agent to know before invoking.

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?

A single, front-loaded sentence with no filler. 'Secrets masked' is a worthwhile parenthetical that conveys an important output behavior without wasting words.

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 one-parameter, read-only, idempotent tool, the description covers the essential purpose and a key output constraint. The main missing piece is guidance on how to obtain/validate snapshot_id and how this relates to undo/redo sibling tools.

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 description does not explain snapshot_id, its format, or where to obtain it. However, with only one required parameter whose name is self-explanatory, the parameter is arguably inferable; the description still doesn't compensate for the 0% schema coverage with any additional semantic detail.

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 uses a specific verb ('Show') and resource ('snapshot'), and clarifies that it displays the captured previous state rather than current state. It is clear enough to distinguish from nuvio_inspect_addon by resource type, though it doesn't explicitly differentiate from related undo/redo snapshot workflow tools.

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 guidance on when to use this tool versus alternatives like nuvio_list_undo, nuvio_undo, or nuvio_redo. The phrase 'captured previous state' implies a connection to undo workflows, but no explicit when-to-use or when-not-to-use guidance is provided.

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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