Kolmo Construction

Contractor-to-permit specialty match

match_contractor_to_permit

Read-onlyIdempotent

Cross-reference a WA contractor's L&I license specialty against a permit's required specialties. Returns whether the contractor is qualified to pull/work the permit, with explicit gap callouts (e.g. "missing electrical specialty 02"). Combines real-time L&I data with Kolmo's authoritative permit catalog.

Input Schema

Name	Required	Description
`projectType`	Yes	Canonical project type (kitchen, bathroom, basement, deck, fence, siding, windows, flooring, adu, roofing, hvac, electrical, plumbing, addition)
`contractorQuery`	Yes	Contractor license number, business name, UBI or phone number
`jurisdictionSlug`	Yes	Permit jurisdiction slug (e.g. "seattle", "tacoma")

Output Schema

Name	Required	Description
`match`	Yes	null: no single contractor could be identified from contractorQuery, so no comparison was made — not a finding either way.
`checks`	No
`permit`	No
`reason`	No
`missing`	No
`sourceUrl`	No
`verifyUrl`	No
`candidates`	No
`contractor`	No
`attribution`	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
```

Changed4 schema fields changedSep 22, 2026

changedInput schema / properties / contractorQuery / description

Previous value: -"Contractor license number or business name"New value: +"Contractor license number, business name, UBI or phone number"

addedOutput schema / properties / candidates
```
Added value: +{}
```

addedOutput schema / properties / match / description

Added value: +"null: no single contractor could be identified from contractorQuery, so no comparison was made — not a finding either way."

changedOutput schema / properties / match / type

Previous value: -"boolean"New value: +[
+  "boolean",
+  "null"
+]

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"
+    },
+    "checks": {},
+    "contractor": {},
+    "match": {
+      "type": "boolean"
+    },
+    "missing": {},
+    "permit": {},
+    "reason": {
+      "type": [
+        "string",
+        "null"
+      ]
+    },
+    "sourceUrl": {},
+    "verifyUrl": {
+      "type": "string"
+    }
+  },
+  "required": [
+    "match"
+  ],
+  "type": "object"
+}

AddedApr 27, 2026

TDQS

A4.1/5.0

Behavior4/5

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

Annotations already declare readOnly, idempotent, non-destructive, and open-world behavior, so the safety profile is covered. The description adds useful behavioral context: it returns qualification status with explicit gap callouts and combines real-time L&I data with Kolmo's permit catalog.

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 tightly written sentences with the core action front-loaded. Every clause adds useful information about input scope, output, and data sources, with no repetition or filler.

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?

Given an output schema, rich annotations, and fully described required parameters, the description supplies the remaining context an agent needs: what is cross-referenced, what the result means, and that gap callouts are included.

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%, and the three required parameters are clearly documented in the input schema. The description adds no parameter-level meaning beyond the schema, so the baseline of 3 is appropriate.

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: cross-reference a WA contractor's L&I license specialty against a permit's required specialties. It also distinguishes itself from license-status siblings by focusing on qualification for a specific permit and gap callouts.

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?

The purpose implies when to use it—when checking whether a contractor is qualified for a permit—but it does not explicitly name alternatives such as check_contractor_license_status or check_permit_requirements. No when-not guidance or prerequisite is provided.

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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