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update_service_env

Update an environment variable for a specific service by providing its UUID, key, and value, with options for preview deployments and literal or multiline values.

Instructions

Update an environment variable for a service

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
uuidYesService UUID
keyYesEnvironment variable key
valueNoEnvironment variable value
is_previewNoUse in preview deployments
is_literalNoIs literal value
is_multilineNoIs multiline value
Behavior1/5

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

No annotations are provided, and the description fails to disclose behavioral traits like idempotency, side effects, or whether it replaces or merges values. This is insufficient for a mutation tool.

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 sentence with no waste, but it lacks sufficient detail to be truly helpful for an AI agent.

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

Completeness1/5

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

Despite 6 parameters, no output schema, and no annotations, the description provides almost no additional context. It does not explain what 'update' entails, return values, or effects on running services.

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 100%, so the baseline is 3. The description adds no additional meaning beyond the schema's parameter descriptions.

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 verb 'update' and the resource 'environment variable for a service'. It effectively distinguishes from sibling tools like create_service_env (create) and delete_service_env (delete).

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 on when to use this tool versus alternatives such as create_service_env or update_service_envs_bulk, or any prerequisites.

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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