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config_create

Create an immutable Docker Swarm config object to store non-sensitive configuration files and mount them into service containers at a specified path. Requires a swarm manager.

Instructions

Create an immutable Swarm config object; requires a swarm manager.

Configs store non-sensitive configuration files (nginx.conf, app.yaml, etc.) and mount them into service containers at a specified path. Unlike secrets, config data is not encrypted at rest — use secret_create for credentials or keys. data is raw bytes; encode strings first (e.g. "my config".encode()). Once created, a config is immutable: to update it, create a new config with a new name and update the service to reference it, then remove the old config with config_remove.

args: name - Unique config name within the swarm data - Raw bytes content of the config file labels - Labels to set on the config templating - Templating driver config (e.g. {"Name": "golang"} for Go template syntax) returns: dict - The created config's attrs ({"ID", "Version", "CreatedAt", "Spec", ...})

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
dataYes
nameYes
labelsNo
templatingNo
Behavior5/5

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

Beyond annotations (readOnlyHint=false, destructiveHint=false), the description discloses immutability, non-encryption at rest, raw-byte encoding requirement, and update lifecycle. It doesn't contradict annotations.

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?

Well-structured: purpose, context, args, returns. No filler; each sentence adds actionable detail.

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

Completeness5/5

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

Covers creation, usage, alternatives, immutability, return format, and prerequisites — complete for a config-creation tool with no output schema.

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

Parameters5/5

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

Schema has empty descriptions (0% coverage); description fully compensates with details for all 4 args: unique name, raw bytes, labels purpose, and templating example.

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?

Description opens with 'Create an immutable Swarm config object' — a specific verb and resource. It distinguishes from sibling `secret_create` by noting configs are not encrypted, and from `config_remove` via immutability.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly states when to use (non-sensitive config files) and when not (secrets, directing to `secret_create`). It provides update workflow and prerequisite 'requires a swarm manager'.

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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