SnowSure — Snow & Ski

Save a resort

save_resort

Idempotent

Save a resort to the signed-in user's favorites. Requires a SnowSure user access token (OAuth). The slug must be a real SnowSure resort.

Input Schema

TableJSON Schema

Name	Required	Description	Default
`slug`	No	Resort slug or name, e.g. "portillo" or "Portillo". Required unless `resort` is given.
`resort`	No	Same as `slug`: the resort slug or name. Pass either one.

Output Schema

TableJSON Schema

Name	Required	Description	Default
`markdown`	No	Human-readable markdown summary of the tool result (may be omitted when structuredContent carries a typed payload; content[0].text always has the prose).

Schema Changelog

Changes observed during successful MCP inspections.

Changed3 schema fields changedSep 16, 2026

addedInput schema / properties / resort

Added value: +{
+  "description": "Same as `slug`: the resort slug or name. Pass either one.",
+  "type": "string"
+}

changedInput schema / properties / slug / description

Previous value: -"Resort slug to save, e.g. jackson-hole"New value: +"Resort slug or name, e.g. \"portillo\" or \"Portillo\". Required unless `resort` is given."

removedInput schema / required
```
Removed value: -[
-  "slug"
-]
```

Changed2 schema fields changedJul 2, 2026

changedOutput schema / properties / markdown / description

Previous value: -"Human-readable markdown summary of the tool result."New value: +"Human-readable markdown summary of the tool result (may be omitted when structuredContent carries a typed payload; content[0].text always has the prose)."

removedOutput schema / required
```
Removed value: -[
-  "markdown"
-]
```

AddedJun 25, 2026

TDQS

A4.2/5.0

Behavior4/5

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

Annotations already mark the tool as not read-only, not destructive, and idempotent. The description adds that it requires a signed-in user access token and that the slug must be real, which are behavioral prerequisites not covered by annotations. This adds value without contradicting the annotation profile.

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 consists of two short, purposeful sentences: the first states the action and destination, the second gives prerequisites. Every word earns its place, with no filler.

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

Completeness4/5

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

For a simple two-parameter tool with an output schema, the description covers the essential usage context (auth, validity) and leaves return-value details to the output schema. It does not mention what happens when both slug and resort are provided, but that is already handled in the schema description. Overall, it is sufficient for an agent to call the tool correctly.

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?

The schema fully describes both parameters (slug and resort) with examples, so the description does not need to repeat that. The description adds a constraint that the slug must be a real SnowSure resort, which is a useful semantic beyond the schema. However, since schema coverage is 100%, the description's contribution is marginal.

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 states 'Save a resort to the signed-in user's favorites,' which names the specific verb (save), resource (resort), and destination (favorites). This clearly distinguishes it from sibling tools like remove_saved_resort and list_saved_resorts. The additional constraints make the purpose unmistakable.

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

Usage Guidelines4/5

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

The description gives clear context for when to use the tool: to save a resort to the user's favorites, requiring an OAuth token and a real SnowSure resort. It does not explicitly mention alternatives or when not to use it, but the self-explanatory name and context provide sufficient guidance. It lacks a direct comparison to remove_saved_resort or list_saved_resorts.

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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