MyHairMail Agent Tools

Match a colour across wig brands

color_crossmatch

Read-onlyIdempotent

Closest equivalent colours in ONE target brand for a known colour from a DIFFERENT brand, using MyHairMail's cross-brand colour mapping. Answers 'what is my shade called in brand X' — relevant when a colour is discontinued or out of stock, or when a shopper knows their shade in one brand and is shopping another. Returns up to 3 matches ranked by similarity (closest > close > approximate) with short tone notes, and when available an example_in_stock_style + product_url in the target brand. Same-brand requests are refused. One source colour and one target brand per call; 'all brands' and wildcards are not supported. Unknown brand: supported_brands is returned. Terms: https://mcp.myhairmailtools.com/terms

Input Schema

TableJSON Schema

Name	Required	Description
`source_brand`	Yes	Brand of the known color, e.g. 'Jon Renau'
`source_color`	Yes	Color code or name, e.g. '12FS8' or 'Shaded Praline'
`target_brand`	Yes	Single brand to match into, e.g. 'Belle Tress'. Wildcards and 'all brands' are not supported.

Output Schema

TableJSON Schema

Name	Required	Description	Default
`note`	No
`match`	Yes
`reason`	No
`matches`	No
`retailer`	Yes
`source_brand`	No
`source_color`	No
`target_brand`	No
`supported_brands`	No
`source_color_query`	No

Schema Changelog

Changes observed during successful MCP inspections.

Changed1 schema field changedSep 27, 2026

changedOutput schema / (root)

Previous value: -nullNew value: +{
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "additionalProperties": {},
+  "properties": {
+    "match": {
+      "type": "boolean"
+    },
+    "matches": {
+      "items": {
+        "additionalProperties": {},
+        "properties": {
+          "example_in_stock_style": {
+            "type": "string"
+          },
+          "product_url": {
+            "type": "string"
+          },
+          "similarity": {
+            "enum": [
+              "closest",
+              "close",
+              "approximate"
+            ],
+            "type": "string"
+          },
+          "target_brand": {
+            "type": "string"
+          },
+          "target_color": {
+            "type": "string"
+          },
+          "tone_notes": {
+            "type": "string"
+          }
+        },
+        "required": [
+          "target_brand",
+          "target_color",
+          "similarity",
+          "tone_notes"
+        ],
+        "type": "object"
+      },
+      "type": "array"
+    },
+    "note": {
+      "type": "string"
+    },
+    "reason": {
+      "type": "string"
+    },
+    "retailer": {
+      "type": "string"
+    },
+    "source_brand": {
+      "type": "string"
+    },
+    "source_color": {
+      "type": "string"
+    },
+    "source_color_query": {
+      "type": "string"
+    },
+    "supported_brands": {
+      "items": {
+        "type": "string"
+      },
+      "type": "array"
+    },
+    "target_brand": {
+      "type": "string"
+    }
+  },
+  "required": [
+    "match",
+    "retailer"
+  ],
+  "type": "object"
+}

First observedSep 26, 2026

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