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RandomSynergy17

Arcane MCP Server

Update environment

arcane_environment_update
Idempotent

Update an existing Docker environment by providing its ID and optionally a new name or API URL.

Instructions

Update an existing Docker environment

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
environmentIdYesEnvironment ID to update
nameNoNew name for the environment
apiUrlNoNew API URL
Behavior2/5

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

Annotations indicate idempotentHint=true, but the description adds no behavioral context (e.g., side effects, permissions, or rate limits). It relies entirely on annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness3/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single short sentence; it is concise but lacks structure and omits important context. It could be improved by front-loading key info.

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 three parameters and no output schema, the description does not explain update semantics (e.g., partial updates, required existence), leaving the agent under-informed.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters2/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The description does not explain parameter roles or constraints beyond the schema; with 100% schema coverage, it adds no value. Baseline 3 is not earned because it doesn't reinforce or clarify.

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 the action ('update') and the resource (Docker environment). It distinguishes from sibling tools like create, delete, get, and list.

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?

The description provides no guidance on when to use this tool, prerequisites, or alternatives. It does not explain how it differs from sibling tools beyond the verb.

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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