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ginkida

portainer-mcp

by ginkida

portainer_container_restart

Restart a container by providing its ID or name, with an optional endpoint ID to specify the Portainer endpoint.

Instructions

Restart a container.

Args: container_id: Container ID or name endpoint_id: Target endpoint ID (uses default if omitted)

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
container_idYes
endpoint_idNo

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Behavior2/5

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

No annotations provided. The description does not disclose side effects (e.g., container downtime, configuration reload), permissions, or error states. For a mutative action, this is a significant gap.

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 two sentences: one for action, one for parameter list. No unnecessary words, front-loaded with purpose. Maximally concise.

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

Completeness2/5

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

Given the tool is mutative with no annotations and simple parameters, the description should cover prerequisites, return behavior, or side effects. It lacks these, making it incomplete for an agent to use reliably.

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 coverage is 0%, but the description adds meaning by noting container_id is ID or name, and endpoint_id defaults to default. However, it does not explain how endpoint_id is used or whether other parameters exist, providing only moderate added value.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states 'Restart a container', which is a specific verb-resource pair. Among sibling tools like start and stop, restart is uniquely identified.

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?

The description provides parameter hints but no guidance on when to use restart versus start or stop. Implied usage is clear but no explicit context or alternatives.

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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