Kolmo Construction

Material catalog

get_material_catalog

Read-onlyIdempotent

Browse the full material catalog with pricing — flooring types, paint grades, decking materials, siding, windows, fencing, and more. Use category to filter. Returns material IDs compatible with get_estimate.

Input Schema

Name	Required	Description
`limit`	No	Max results (default 25)
`offset`	No	Pagination offset (default 0)
`search`	No	Filter by keyword in material name or description
`category`	No	Filter by category: painting, flooring, decking, siding, windows, fencing, landscaping

Output Schema

Name	Required	Description	Default
`note`	Yes
`limit`	Yes
`total`	Yes
`offset`	Yes
`results`	No
`attribution`	Yes

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
```
Changed7 schema fields changedSep 3, 2026
- changedInput schema / properties / limit / description
```
Previous value: -"Max results (default 50)"New value: +"Max results (default 25)"
```
- 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"
+    },
+    "limit": {
+      "type": "number"
+    },
+    "note": {
+      "type": "string"
+    },
+    "offset": {
+      "type": "number"
+    },
+    "results": {},
+    "total": {
+      "type": "number"
+    }
+  },
+  "required": [
+    "total",
+    "offset",
+    "limit",
+    "note",
+    "attribution"
+  ],
+  "type": "object"
+}

First observedApr 13, 2026

TDQS

A3.8/5.0

Behavior4/5

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

Annotations already declare this as read-only, idempotent, non-destructive, and closed-world. The description adds useful behavioral context: the catalog includes pricing and returns material IDs compatible with get_estimate. It could mention pagination or default result behavior, but the annotations carry the safety 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?

Two compact sentences with no filler. The catalog contents are front-loaded, followed by the filtering hint and downstream compatibility note.

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?

The tool has an output schema, so return values need not be explained in detail, and annotations cover safety behavior. The main remaining gap is the lack of differentiation from the sibling get_material_options, which could affect tool selection.

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 description coverage is 100%, so all four parameters are already well documented in the schema. The description reinforces category filtering but does not add syntax, default behavior, or other meaning beyond what the schema provides.

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?

The description uses a specific verb and resource: browsing the full material catalog with pricing, and it names the categories covered. It does not distinguish this tool from the similar sibling get_material_options, so an agent cannot tell from the description alone which one to prefer.

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

Usage Guidelines3/5

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

It gives a basic invocation hint ('Use category to filter') and notes that returned IDs are compatible with get_estimate. However, it does not say when to use this catalog versus get_material_options or other material-related siblings.

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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