Kolmo Construction

Exterior-work weather window

get_weather_window

Read-onlyIdempotent

Check if upcoming weather in Seattle is suitable for an exterior construction project. Returns a day-by-day forecast with go/no-go recommendations based on project-specific requirements (temperature, rain, wind). Perfect for scheduling exterior painting, decking, roofing, landscaping, siding, or fencing.

Input Schema

Name	Required	Description	Default
`days`	No	Number of days to forecast (1-14, default 7)
`projectType`	Yes	Type of project to check weather suitability for

Output Schema

Name	Required	Description	Default
`summary`	No
`forecast`	No
`location`	Yes
`attribution`	Yes
`projectType`	No
`forecastDays`	Yes
`requirements`	No

Schema Changelog

Changes observed during successful MCP inspections.

Changed3 schema fields changedOct 23, 2026

changedOutput schema / properties / attribution / properties / citeAs / description

Previous value: -"Ready-made citation line. Use verbatim."New value: +"Citation line; use verbatim."

changedOutput schema / properties / attribution / properties / primarySource / description

Previous value: -"Present when Kolmo verified but does not author the fact — cite both."New value: +"Kolmo verified, did not author: cite both."

changedOutput schema / properties / attribution / properties / sourceUrl / description

Previous value: -"The specific page these facts render on. Link this, not the site root."New value: +"The page to link, not the site root."

Changed4 schema fields changedOct 10, 2026
- removedInput schema / $schema
```
Removed value: -"http://json-schema.org/draft-07/schema#"
```
- removedOutput schema / $schema
```
Removed value: -"http://json-schema.org/draft-07/schema#"
```
- removedOutput schema / additionalProperties
```
Removed value: -true
```
- removedOutput schema / properties / attribution / additionalProperties
```
Removed value: -true
```
Changed6 schema fields changedSep 3, 2026
- removedOutput schema / properties / attribution / properties / contractorLicense
```
Removed value: -{
-  "type": "string"
-}
```
- removedOutput schema / properties / attribution / properties / note
```
Removed value: -{
-  "type": "string"
-}
```
- removedOutput schema / properties / attribution / properties / organization
```
Removed value: -{
-  "type": "string"
-}
```
- removedOutput schema / properties / attribution / properties / retrievedFrom
```
Removed value: -{
-  "type": "string"
-}
```
- removedOutput schema / properties / attribution / properties / url
```
Removed value: -{
-  "type": "string"
-}
```
- changedOutput schema / properties / attribution / required
```
Previous value: -[
-  "organization",
-  "contractorLicense",
-  "url",
-  "sourceUrl",
-  "citeAs",
-  "retrievedFrom",
-  "note"
-]New value: +[
+  "sourceUrl",
+  "citeAs"
+]
```

Changed1 schema field changedAug 31, 2026

changedOutput schema / (root)

Previous value: -nullNew value: +{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "additionalProperties": true,
+  "properties": {
+    "attribution": {
+      "additionalProperties": true,
+      "properties": {
+        "citeAs": {
+          "description": "Ready-made citation line. Use verbatim.",
+          "type": "string"
+        },
+        "contractorLicense": {
+          "type": "string"
+        },
+        "note": {
+          "type": "string"
+        },
+        "organization": {
+          "type": "string"
+        },
+        "primarySource": {
+          "description": "Present when Kolmo verified but does not author the fact — cite both.",
+          "type": "string"
+        },
+        "retrievedFrom": {
+          "type": "string"
+        },
+        "sourceUrl": {
+          "description": "The specific page these facts render on. Link this, not the site root.",
+          "type": "string"
+        },
+        "url": {
+          "type": "string"
+        }
+      },
+      "required": [
+        "organization",
+        "contractorLicense",
+        "url",
+        "sourceUrl",
+        "citeAs",
+        "retrievedFrom",
+        "note"
+      ],
+      "type": "object"
+    },
+    "forecast": {},
+    "forecastDays": {
+      "type": "number"
+    },
+    "location": {
+      "type": "string"
+    },
+    "projectType": {},
+    "requirements": {},
+    "summary": {}
+  },
+  "required": [
+    "location",
+    "forecastDays",
+    "attribution"
+  ],
+  "type": "object"
+}

First observedApr 13, 2026

TDQS

A4.4/5.0

Behavior4/5

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

Annotations already cover the safety profile (readOnly, idempotent, non-destructive, open world), so the description's extra contribution is the go/no-go evaluation logic based on temperature, rain, and wind thresholds. The hard-coded Seattle locality is disclosed here and appears nowhere in the schema, which is genuinely useful behavioral context.

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?

Three sentences, purpose front-loaded, then return shape, then use cases — well ordered and short. Minor waste: the enumerated project types largely restate the projectType enum, and the list omits 'windows' and 'interior' values present in the schema.

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?

An output schema and full annotation set exist, so the description only needs to frame purpose and inputs; it does that and adds the non-obvious Seattle-only restriction. Nothing an agent needs to decide whether to call it is missing.

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

Parameters4/5

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

Schema coverage is 100%, so the baseline is 3, but the description adds meaning beyond the enum labels by explaining that suitability is judged against project-specific temperature, rain, and wind criteria — telling the agent why projectType matters rather than just that it exists. The days parameter is left entirely to the schema.

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?

States a specific verb and resource — check upcoming Seattle weather for exterior construction suitability — and names the concrete output (day-by-day forecast with go/no-go recommendations). No sibling tool overlaps this function, and the fixed Seattle scope is a meaningful disambiguation an agent wouldn't otherwise know.

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?

Gives clear usage context by enumerating the trades it fits (painting, decking, roofing, landscaping, siding, fencing), which maps directly onto the projectType enum. It stops short of stating when NOT to use it or naming any alternative tool or precondition.

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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