10ML Perfume Finder

Explain a fragrance note

explain_note

Read-onlyIdempotent

Explain a fragrance note or perfume ingredient: what it smells like, its family and mood, where it comes from, which notes it pairs with, similar notes, famous perfumes where it leads and a link to the 10ML note page or guide when one exists. Covers about 285 notes in many spellings and languages. Use for 'what does ambroxan smell like', 'what is oud', 'what goes with bergamot', 'is iso e super a note'. Not for listing every perfume with the note (use perfumes_by_note) and not for general terms like EDP or sillage (use explain_perfume_term).

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "note": "<note>"
    },
    "name": "explain_note"
  }
}

Input Schema

Name	Required	Description	Default
`note`	Yes	The note. Examples: "ambroxan", "oud", "sandalwood", "Bergamotte"
`locale`	No	Language of the 10ml.com links and labels.	en
`response_format`	No	concise (default) or detailed (adds pyramid, seasons, occasions, longevity).	concise

Output Schema

Name	Required	Description	Default
`note`	No
`found`	Yes
`links`	No
`source`	Yes
`message`	No
`suggestions`	No
`famous_perfumes`	No

Schema Changelog

Changes observed during successful MCP inspections.

Changed1 schema field changedOct 22, 2026

changedInput schema / properties / locale / enum

Previous value: -[
-  "en",
-  "de",
-  "fr",
-  "es",
-  "it",
-  "ro",
-  "el",
-  "hu",
-  "cs",
-  "pl",
-  "nl"
-]New value: +[
+  "en",
+  "de",
+  "fr",
+  "es",
+  "it",
+  "ro",
+  "el",
+  "hu",
+  "cs",
+  "pl",
+  "nl",
+  "pt",
+  "sv",
+  "da",
+  "fi",
+  "bg",
+  "hr"
+]

Changed1 schema field changedOct 21, 2026

changedInput schema / properties / locale / enum

Previous value: -[
-  "en",
-  "de",
-  "fr",
-  "es",
-  "it",
-  "ro",
-  "el",
-  "hu",
-  "cs",
-  "pl"
-]New value: +[
+  "en",
+  "de",
+  "fr",
+  "es",
+  "it",
+  "ro",
+  "el",
+  "hu",
+  "cs",
+  "pl",
+  "nl"
+]

Changed9 schema fields changedOct 21, 2026

changedInput schema / properties / locale / description

Previous value: -"Language of the 10ml.com links and labels. Perfume, house and note names stay as they are."New value: +"Language of the 10ml.com links and labels."

changedInput schema / properties / note / description

Previous value: -"The note. Examples: \"ambroxan\", \"oud\", \"iris\", \"orris\", \"Bergamotte\""New value: +"The note. Examples: \"ambroxan\", \"oud\", \"sandalwood\", \"Bergamotte\""

changedInput schema / properties / response_format / description

Previous value: -"concise (default) or detailed (adds note pyramid, seasons, occasions, longevity, projection)."New value: +"concise (default) or detailed (adds pyramid, seasons, occasions, longevity)."

removedOutput schema / properties / famous_perfumes / items / properties

Removed value: -{
-  "accords": {
-    "items": {
-      "type": "string"
-    },
-    "type": "array"
-  },
-  "character": {
-    "type": "string"
-  },
-  "concentration": {
-    "type": "string"
-  },
-  "family": {
-    "type": "string"
-  },
-  "gender": {
-    "enum": [
-      "men",
-      "women",
-      "unisex"
-    ],
-    "type": "string"
-  },
-  "house": {
-    "type": "string"
-  },
-  "id": {
-    "type": "string"
-  },
-  "key_notes": {
-    "items": {
-      "type": "string"
-    },
-    "type": "array"
-  },
-  "links": {
-    "items": {
-      "properties": {
-        "title": {
-          "type": "string"
-        },
-        "type": {
-          "enum": [
-            "try",
-            "guide",
-            "note"
-          ],
-          "type": "string"
-        },
-        "url": {
-          "type": "string"
-        }
-      },
-      "required": [
-        "type",
-        "title",
-        "url"
-      ],
-      "type": "object"
-    },
-    "type": "array"
-  },
-  "longevity": {
-    "type": "number"
-  },
-  "name": {
-    "type": "string"
-  },
-  "occasions": {
-    "items": {
-      "type": "string"
-    },
-    "type": "array"
-  },
-  "other_versions": {
-    "items": {
-      "type": "string"
-    },
-    "type": "array"
-  },
-  "perfumers": {
-    "items": {
-      "type": "string"
-    },
-    "type": "array"
-  },
-  "profile": {
-    "enum": [
-      "full",
-      "core"
-    ],
-    "type": "string"
-  },
-  "projection": {
-    "type": "number"
-  },
-  "pyramid": {
-    "properties": {
-      "base": {
-        "items": {
-          "type": "string"
-        },
-        "type": "array"
-      },
-      "heart": {
-        "items": {
-          "type": "string"
-        },
-        "type": "array"
-      },
-      "top": {
-        "items": {
-          "type": "string"
-        },
-        "type": "array"
-      }
-    },
-    "required": [
-      "top",
-      "heart",
-      "base"
-    ],
-    "type": "object"
-  },
-  "seasons": {
-    "items": {
-      "type": "string"
-    },
-    "type": "array"
-  },
-  "styles": {
-    "items": {
-      "type": "string"
-    },
-    "type": "array"
-  },
-  "year": {
-    "type": "number"
-  }
-}

removedOutput schema / properties / famous_perfumes / items / required

Removed value: -[
-  "id",
-  "name",
-  "house",
-  "gender",
-  "family",
-  "accords",
-  "key_notes",
-  "character",
-  "links",
-  "profile"
-]

removedOutput schema / properties / links / items / properties

Removed value: -{
-  "title": {
-    "type": "string"
-  },
-  "type": {
-    "enum": [
-      "try",
-      "guide",
-      "note"
-    ],
-    "type": "string"
-  },
-  "url": {
-    "type": "string"
-  }
-}

removedOutput schema / properties / links / items / required
```
Removed value: -[
-  "type",
-  "title",
-  "url"
-]
```

removedOutput schema / properties / note / properties

Removed value: -{
-  "also_called": {
-    "items": {
-      "type": "string"
-    },
-    "type": "array"
-  },
-  "description": {
-    "type": "string"
-  },
-  "family": {
-    "type": "string"
-  },
-  "id": {
-    "type": "string"
-  },
-  "mood": {
-    "type": "string"
-  },
-  "name": {
-    "type": "string"
-  },
-  "origin": {
-    "type": "string"
-  },
-  "pairs_with": {
-    "items": {
-      "type": "string"
-    },
-    "type": "array"
-  },
-  "similar_notes": {
-    "items": {
-      "type": "string"
-    },
-    "type": "array"
-  },
-  "smells_like": {
-    "type": "string"
-  }
-}

removedOutput schema / properties / note / required

Removed value: -[
-  "id",
-  "name",
-  "family",
-  "origin",
-  "smells_like",
-  "mood",
-  "also_called",
-  "pairs_with",
-  "similar_notes"
-]

Changed12 schema fields changedOct 20, 2026
- removedOutput schema / properties / famous_perfumes / items / properties / accords / description
```
Removed value: -"Main accords, strongest first"
```
- removedOutput schema / properties / famous_perfumes / items / properties / character / description
```
Removed value: -"One-sentence description by 10ML's fragrance editors"
```
- removedOutput schema / properties / famous_perfumes / items / properties / family / description
```
Removed value: -"Fragrance family, e.g. \"amber floral\""
```
- removedOutput schema / properties / famous_perfumes / items / properties / id / description
```
Removed value: -"Stable Fragrance Index id, usable with get_perfume and find_similar_perfumes"
```
- removedOutput schema / properties / famous_perfumes / items / properties / key_notes / description
```
Removed value: -"The defining notes (empty when no pyramid is published)"
```
- removedOutput schema / properties / famous_perfumes / items / properties / links / description
```
Removed value: -"1-3 relevant 10ml.com links"
```
- removedOutput schema / properties / famous_perfumes / items / properties / links / items / properties / url / description
```
Removed value: -"A 10ml.com link in the requested locale"
```
- removedOutput schema / properties / famous_perfumes / items / properties / longevity / description
```
Removed value: -"1 (short) to 5 (very long)"
```
- removedOutput schema / properties / famous_perfumes / items / properties / other_versions / description
```
Removed value: -"Ids of other concentrations or flankers of the same perfume in the index"
```
- removedOutput schema / properties / famous_perfumes / items / properties / projection / description
```
Removed value: -"1 (skin scent) to 5 (fills a room)"
```
- removedOutput schema / properties / famous_perfumes / items / properties / year / description
```
Removed value: -"Launch year when known"
```
- removedOutput schema / properties / links / items / properties / url / description
```
Removed value: -"A 10ml.com link in the requested locale"
```

Changed2 schema fields changedOct 20, 2026

addedOutput schema / properties / famous_perfumes / items / properties / profile

Added value: +{
+  "enum": [
+    "full",
+    "core"
+  ],
+  "type": "string"
+}

changedOutput schema / properties / famous_perfumes / items / required

Previous value: -[
-  "id",
-  "name",
-  "house",
-  "gender",
-  "family",
-  "accords",
-  "key_notes",
-  "character",
-  "links"
-]New value: +[
+  "id",
+  "name",
+  "house",
+  "gender",
+  "family",
+  "accords",
+  "key_notes",
+  "character",
+  "links",
+  "profile"
+]

Changed10 schema fields changedOct 19, 2026

removedInput schema / $schema

Removed value: -"http://json-schema.org/draft-07/schema#"

changedInput schema / properties / locale / description

Previous value: -"Language of the 10ml.com links and fixed labels: en, de, fr, es, it, ro, el, hu, cs or pl. Perfume, house and note names are never translated."New value: +"Language of the 10ml.com links and labels. Perfume, house and note names stay as they are."

changedInput schema / properties / response_format / description

Previous value: -"concise (default): the essentials, about a third of the size. detailed: adds the full note pyramid, seasons, occasions, longevity and projection."New value: +"concise (default) or detailed (adds note pyramid, seasons, occasions, longevity, projection)."

removedOutput schema / $schema

Removed value: -"http://json-schema.org/draft-07/schema#"

removedOutput schema / additionalProperties
```
Removed value: -false
```
removedOutput schema / properties / famous_perfumes / items / additionalProperties
```
Removed value: -false
```
removedOutput schema / properties / famous_perfumes / items / properties / links / items / additionalProperties
```
Removed value: -false
```
removedOutput schema / properties / famous_perfumes / items / properties / pyramid / additionalProperties
```
Removed value: -false
```
removedOutput schema / properties / links / items / additionalProperties
```
Removed value: -false
```
removedOutput schema / properties / note / additionalProperties
```
Removed value: -false
```

AddedOct 19, 2026

TDQS

A4.6/5.0

Behavior4/5

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

Annotations already declare readOnly, idempotent, closed-world behavior, so safety needs no restating. The description adds real context beyond them: a coverage scope (~285 notes, multiple spellings/languages) and a conditional output trait (a link is returned only 'when one exists'). It stops short of noting anything about ambiguity or miss handling, which would have earned a 5.

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?

Purpose is front-loaded, and the sentence listing covered facets is dense but each clause earns its place. The only cost is length—one very long first sentence—but there is no filler or repetition.

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 exists, so return values need no explanation, yet the description still signals what the payload contains and that links are conditional. Combined with coverage scope, example queries, and explicit sibling routing, an agent has everything needed to call this correctly.

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. The description still adds meaning: the note parameter accepts foreign spellings and variants ('many spellings and languages'), which the schema only hints at through the 'Bergamotte' example. The locale and response_format semantics are 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?

Opens with a specific verb and resource ("Explain a fragrance note or perfume ingredient") and immediately enumerates the facets covered. It explicitly names the siblings it is not (perfumes_by_note, explain_perfume_term), so an agent can route without opening a schema.

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

Usage Guidelines5/5

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

Gives concrete trigger queries ('what does ambroxan smell like', 'is iso e super a note') plus two explicit exclusions with the correct alternative tool for each. When-to-use, when-not-to-use, and alternatives are all present.

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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