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sylve_jail_logs

Read-onlyIdempotent

Retrieve a Jail's console log output to inspect boot or runtime messages and diagnose issues across a cluster node or cluster-wide.

Instructions

Retrieve a Jail's console log output.

Input Schema

NameRequiredDescriptionDefault
jailYesJail CTID or name.
nodeNoTarget cluster node hostname or UUID. Omit for cluster-wide.
contextNoNamed login context from ~/.config/sylve/config.yaml.

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

A3.5/5.0
Behavior3/5

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

Annotations already declare readOnlyHint=true, idempotentHint=true, and destructiveHint=false, so the safety profile is covered. The description adds nothing about log extent (full buffer vs. tail), whether output is live or point-in-time, or size limits — useful context that is absent.

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 short sentence with zero waste, front-loaded with the verb and resource. Nothing is padded or redundant.

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?

For a simple read tool with three fully described parameters and a clear annotation profile, the essentials are present. However, with no output schema, the description could say what the returned log output looks like (format, truncation, ordering), which it omits.

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%, so the jail, node, and context parameters are already fully documented in the schema. The description contributes no additional parameter meaning, which is the baseline-3 case when the schema does the heavy lifting.

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 (Retrieve) and resource (a Jail's console log output), making the intent unambiguous. It does not explicitly distinguish itself from near-siblings such as sylve_jail_show or sylve_vm_logs, so it falls short of a 5.

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?

Usage is only implied by the verb 'Retrieve' — an agent can infer this is for fetching console logs rather than metadata. There is no explicit when-to-use/when-not guidance or reference to the sibling tools that surface jail details or VM logs.

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