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Doppler MCP Server

by signalford

doppler_configs_create

Create a new config for a Doppler project by naming it and specifying the project and environment (dev, staging, prod).

Instructions

Create a new config in a Doppler project

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
nameYesThe name of the config to create
projectYesThe Doppler project name
environmentYesThe environment for the config (e.g., dev, staging, prod)
Behavior2/5

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

No annotations are provided, so the description carries the full burden of behavioral disclosure. It says 'Create' which implies mutation, but doesn't state whether this requires authentication, whether it requires the project and environment to exist first, the failure modes (e.g., duplicate config names), or the return value. For a creation tool with zero annotations, more disclosure is warranted.

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

Conciseness4/5

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

The description is a single concise sentence with no waste. It's front-loaded and efficient. However, it is somewhat under-specified, which means conciseness is achieved through brevity rather than through rich, well-structured detail.

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 creation tool with no annotations and no output schema, the description does not explain return value, error conditions (like name collisions), or prerequisite state (existing project/environment). The complexity is low (3 plain string params), but the missing behavioral contract for a mutation tool leaves completeness lacking.

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% and all three parameters (name, project, environment) have descriptive schema entries. The description adds no parameter-specific detail beyond what the schema provides. Baseline 3 is appropriate given the schema fully documents each parameter.

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?

Description states a clear verb+resource: 'Create a new config in a Doppler project.' It clearly distinguishes itself from the configs_list sibling (which reads) and the projects_create sibling (which creates a different resource type). However, it could more explicitly note the config is an environment-scoped entity within a project.

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 doppler_projects_create (create the project first) or the configs_list tool. No mention of prerequisites like requiring an existing project and environment. The description doesn't specify when creating a config is appropriate or what precedes it.

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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