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create_container

Create a new Docker container on a VPS by specifying image, name, ports, volumes, environment variables, network, and restart policy.

Instructions

Create a new container

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
nameNoContainer name
imageYesImage to use (e.g., nginx:latest)
envNoEnvironment variables (e.g., ["VAR=value"])
portsNoPort mappings (e.g., {"80/tcp": [{"HostPort": "8080"}]})
volumesNoVolume bindings
networkNoNetwork to connect to
restart_policyNoRestart policy (no, always, on-failure, unless-stopped)
Behavior2/5

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

With no annotations provided, the description carries the full burden of behavioral disclosure. 'Create a new container' implies a write operation but doesn't disclose permissions required, whether this is a long-running process, error conditions, or what happens on success/failure. It lacks crucial behavioral context for a creation tool.

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 extremely concise at just three words. It's front-loaded with the essential action and resource. There's zero wasted language or unnecessary elaboration.

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?

For a complex creation tool with 7 parameters, no annotations, and no output schema, the description is insufficient. It doesn't explain what a container represents in this system, what happens after creation, or how this tool relates to other container management tools in the sibling list. The agent would need to infer too much context.

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 schema already documents all 7 parameters thoroughly. The description adds no parameter information beyond what's in the schema. According to scoring rules, when schema coverage is high (>80%), the baseline is 3 even with no param info in description.

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

Purpose3/5

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

The description 'Create a new container' clearly states the action (create) and resource (container), but it's vague about what a 'container' entails in this context and doesn't differentiate from sibling tools like create_network or create_volume. It provides basic purpose but lacks specificity about container type or scope.

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 provided on when to use this tool versus alternatives like create_network, create_volume, or pull_image. The description doesn't mention prerequisites, dependencies, or contextual factors that would help an agent decide when this tool is appropriate.

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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