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euisuh

Caddy MCP

by euisuh

adapt_caddyfile_text

Convert Caddyfile configuration text to JSON with a dry-run preview. Safely inspect how the Caddy server would interpret the config before applying changes.

Instructions

Convert Caddyfile text to JSON. Defaults to dry_run command preview.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
dry_runNo
caddyfileYes

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

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. It discloses 'Defaults to dry_run command preview', suggesting a non-destructive default, but fails to state what happens when dry_run is false (e.g., applying changes). It also omits side effects, permissions, or reversibility, which is significant for a tool that may mutate Caddy configuration.

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 two sentences with no redundancy. It is front-loaded with the core purpose and includes a useful behavioral note about the dry_run default. Every word earns its place.

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?

The description lacks critical behavioral context such as whether dry_run=false applies changes to the live configuration, how this relates to sibling config-modification tools, and what errors might occur. Although an output schema exists, the description does not explain when to use this tool over load_config or patch_config, leaving completeness gaps for an agent.

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?

Schema coverage is 0% and the description adds limited value. It implicitly identifies caddyfile as the input text and mentions dry_run's default, but does not explain the effect of dry_run=false or any format constraints. The description does not adequately compensate for the lack of schema 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 'Convert Caddyfile text to JSON', using a specific verb and resource. It distinguishes the tool from siblings like validate_caddyfile_text (validation vs conversion) and get_config (retrieval), making the purpose unambiguous.

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?

There is no explicit guidance on when to use this tool versus alternatives. The description does not mention validate_caddyfile_text for validation or patch_config/load_config for config modifications. The dry_run hint implies a use case but lacks clear when-to-use or when-not-to-use instructions.

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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