ShotPulled

List coffees

list_beans

Read-onlyIdempotent

List the coffees registered for the account, with status filter. Each coffee carries its bags[] (every purchase, with its own freshness and grams left) and current_bag_id; the row's top-level roast_date, state, grams_remaining and age fields are the current bag's. The id on each row is the number this account knows that coffee by, counting from 1: safe to show, and what other tools expect back; bag ids are a separate series.

Input Schema

Name	Required	Description	Default
`status`	No	Filter by status: current, archived, or all. Defaults to current.

Output Schema

Name	Required	Description	Default
`beans`	Yes

Schema Changelog

Changes observed during successful MCP inspections.

Changed10 schema fields changedOct 22, 2026

addedOutput schema / properties / beans / items / properties / age_verdict_code
```
Added value: +{
+  "type": "string"
+}
```
addedOutput schema / properties / beans / items / properties / bags / items / properties / age_verdict_code
```
Added value: +{
+  "type": "string"
+}
```
addedOutput schema / properties / beans / items / properties / bags / items / properties / lot_revision_id
```
Added value: +{
+  "type": [
+    "string",
+    "null"
+  ]
+}
```
addedOutput schema / properties / beans / items / properties / bags / items / properties / product_id
```
Added value: +{
+  "type": [
+    "string",
+    "null"
+  ]
+}
```

changedOutput schema / properties / beans / items / properties / bags / items / required

Previous value: -[
-  "id",
-  "bean_id",
-  "roast_date",
-  "buy_date",
-  "opened_date",
-  "best_by_date",
-  "bag_weight_g",
-  "weight_adjustment_g",
-  "cost",
-  "currency",
-  "state",
-  "finished",
-  "frozen_at",
-  "unfrozen_at",
-  "frozen_storage",
-  "frozen_note",
-  "storage",
-  "ean",
-  "qr_code",
-  "bag_notes",
-  "archived",
-  "effective_age_days",
-  "age_verdict",
-  "grams_remaining",
-  "days_since_opened",
-  "days_off_roast",
-  "frozen_days_excluded"
-]New value: +[
+  "id",
+  "bean_id",
+  "roast_date",
+  "buy_date",
+  "opened_date",
+  "best_by_date",
+  "bag_weight_g",
+  "weight_adjustment_g",
+  "cost",
+  "currency",
+  "state",
+  "finished",
+  "frozen_at",
+  "unfrozen_at",
+  "frozen_storage",
+  "frozen_note",
+  "storage",
+  "ean",
+  "qr_code",
+  "bag_notes",
+  "archived",
+  "product_id",
+  "lot_revision_id",
+  "effective_age_days",
+  "age_verdict",
+  "age_verdict_code",
+  "grams_remaining",
+  "days_since_opened",
+  "days_off_roast",
+  "frozen_days_excluded"
+]

addedOutput schema / properties / beans / items / properties / catalog_coffee_id
```
Added value: +{
+  "type": [
+    "string",
+    "null"
+  ]
+}
```
addedOutput schema / properties / beans / items / properties / origins / items / properties / country_code
```
Added value: +{
+  "type": [
+    "string",
+    "null"
+  ]
+}
```

changedOutput schema / properties / beans / items / properties / origins / items / required

Previous value: -[
-  "country",
-  "region",
-  "farm",
-  "farmer",
-  "variety",
-  "processing",
-  "elevation_m",
-  "elevation_max_m",
-  "harvest",
-  "percentage"
-]New value: +[
+  "country",
+  "country_code",
+  "region",
+  "farm",
+  "farmer",
+  "variety",
+  "processing",
+  "elevation_m",
+  "elevation_max_m",
+  "harvest",
+  "percentage"
+]

changedOutput schema / properties / beans / items / properties / roaster / type
```
Previous value: -"string"New value: +[
+  "string",
+  "null"
+]
```

changedOutput schema / properties / beans / items / required

Previous value: -[
-  "id",
-  "name",
-  "roaster",
-  "roast_level",
-  "archived",
-  "favourite",
-  "decaffeinated",
-  "process_type",
-  "dial_category",
-  "rest_window_days_min",
-  "rest_window_days_max",
-  "rating",
-  "aromatics",
-  "cupping_points",
-  "roasting_type",
-  "variety",
-  "origin",
-  "url",
-  "notes",
-  "arabica_pct",
-  "body",
-  "acidity",
-  "sweetness",
-  "roast_date",
-  "buy_date",
-  "opened_date",
-  "best_by_date",
-  "bag_weight_g",
-  "weight_adjustment_g",
-  "cost",
-  "currency",
-  "state",
-  "finished",
-  "frozen_at",
-  "unfrozen_at",
-  "frozen_storage",
-  "frozen_note",
-  "storage",
-  "ean",
-  "qr_code",
-  "bag_notes",
-  "effective_age_days",
-  "age_verdict",
-  "grams_remaining",
-  "days_since_opened",
-  "days_off_roast",
-  "frozen_days_excluded",
-  "current_bag_id",
-  "bags",
-  "origins"
-]New value: +[
+  "id",
+  "name",
+  "roaster",
+  "catalog_coffee_id",
+  "roast_level",
+  "archived",
+  "favourite",
+  "decaffeinated",
+  "process_type",
+  "dial_category",
+  "rest_window_days_min",
+  "rest_window_days_max",
+  "rating",
+  "aromatics",
+  "cupping_points",
+  "roasting_type",
+  "variety",
+  "origin",
+  "url",
+  "notes",
+  "arabica_pct",
+  "body",
+  "acidity",
+  "sweetness",
+  "roast_date",
+  "buy_date",
+  "opened_date",
+  "best_by_date",
+  "bag_weight_g",
+  "weight_adjustment_g",
+  "cost",
+  "currency",
+  "state",
+  "finished",
+  "frozen_at",
+  "unfrozen_at",
+  "frozen_storage",
+  "frozen_note",
+  "storage",
+  "ean",
+  "qr_code",
+  "bag_notes",
+  "effective_age_days",
+  "age_verdict",
+  "age_verdict_code",
+  "grams_remaining",
+  "days_since_opened",
+  "days_off_roast",
+  "frozen_days_excluded",
+  "current_bag_id",
+  "bags",
+  "origins"
+]

Changed41 schema fields changedSep 28, 2026
- removedOutput schema / properties / beans / items / properties / acidity / type
```
Removed value: -"null"
```
- removedOutput schema / properties / beans / items / properties / arabica_pct / type
```
Removed value: -"null"
```
- removedOutput schema / properties / beans / items / properties / aromatics / type
```
Removed value: -"null"
```
- removedOutput schema / properties / beans / items / properties / bags / items / properties / best_by_date / type
```
Removed value: -"null"
```
- removedOutput schema / properties / beans / items / properties / bags / items / properties / buy_date / type
```
Removed value: -"null"
```
- removedOutput schema / properties / beans / items / properties / bags / items / properties / days_since_opened / type
```
Removed value: -"null"
```
- removedOutput schema / properties / beans / items / properties / bags / items / properties / ean / type
```
Removed value: -"null"
```
- removedOutput schema / properties / beans / items / properties / bags / items / properties / frozen_at / type
```
Removed value: -"null"
```
- removedOutput schema / properties / beans / items / properties / bags / items / properties / frozen_note / type
```
Removed value: -"null"
```
- removedOutput schema / properties / beans / items / properties / bags / items / properties / frozen_storage / type
```
Removed value: -"null"
```
- removedOutput schema / properties / beans / items / properties / bags / items / properties / opened_date / type
```
Removed value: -"null"
```
- removedOutput schema / properties / beans / items / properties / bags / items / properties / qr_code / type
```
Removed value: -"null"
```
- removedOutput schema / properties / beans / items / properties / bags / items / properties / storage / type
```
Removed value: -"null"
```
- removedOutput schema / properties / beans / items / properties / bags / items / properties / unfrozen_at / type
```
Removed value: -"null"
```
- removedOutput schema / properties / beans / items / properties / best_by_date / type
```
Removed value: -"null"
```
- removedOutput schema / properties / beans / items / properties / body / type
```
Removed value: -"null"
```
- removedOutput schema / properties / beans / items / properties / buy_date / type
```
Removed value: -"null"
```
- removedOutput schema / properties / beans / items / properties / cost / type
```
Removed value: -"null"
```
- removedOutput schema / properties / beans / items / properties / cupping_points / type
```
Removed value: -"null"
```
- removedOutput schema / properties / beans / items / properties / currency / type
```
Removed value: -"null"
```
- removedOutput schema / properties / beans / items / properties / days_since_opened / type
```
Removed value: -"null"
```
- removedOutput schema / properties / beans / items / properties / ean / type
```
Removed value: -"null"
```
- removedOutput schema / properties / beans / items / properties / frozen_at / type
```
Removed value: -"null"
```
- removedOutput schema / properties / beans / items / properties / frozen_note / type
```
Removed value: -"null"
```
- removedOutput schema / properties / beans / items / properties / frozen_storage / type
```
Removed value: -"null"
```
- removedOutput schema / properties / beans / items / properties / opened_date / type
```
Removed value: -"null"
```
- removedOutput schema / properties / beans / items / properties / origin / type
```
Removed value: -"null"
```
- removedOutput schema / properties / beans / items / properties / origins / items / properties / elevation_m / type
```
Removed value: -"null"
```
- removedOutput schema / properties / beans / items / properties / origins / items / properties / elevation_max_m / type
```
Removed value: -"null"
```
- removedOutput schema / properties / beans / items / properties / origins / items / properties / farm / type
```
Removed value: -"null"
```
- removedOutput schema / properties / beans / items / properties / origins / items / properties / farmer / type
```
Removed value: -"null"
```
- removedOutput schema / properties / beans / items / properties / origins / items / properties / harvest / type
```
Removed value: -"null"
```
- removedOutput schema / properties / beans / items / properties / origins / items / properties / processing / type
```
Removed value: -"null"
```
- removedOutput schema / properties / beans / items / properties / qr_code / type
```
Removed value: -"null"
```
- removedOutput schema / properties / beans / items / properties / rating / type
```
Removed value: -"null"
```
- removedOutput schema / properties / beans / items / properties / roasting_type / type
```
Removed value: -"null"
```
- removedOutput schema / properties / beans / items / properties / storage / type
```
Removed value: -"null"
```
- removedOutput schema / properties / beans / items / properties / sweetness / type
```
Removed value: -"null"
```
- removedOutput schema / properties / beans / items / properties / unfrozen_at / type
```
Removed value: -"null"
```
- removedOutput schema / properties / beans / items / properties / url / type
```
Removed value: -"null"
```
- removedOutput schema / properties / beans / items / properties / variety / type
```
Removed value: -"null"
```

Changed25 schema fields changedSep 12, 2026

addedOutput schema / properties / beans / items / properties / acidity
```
Added value: +{
+  "type": "null"
+}
```
addedOutput schema / properties / beans / items / properties / arabica_pct
```
Added value: +{
+  "type": "null"
+}
```
addedOutput schema / properties / beans / items / properties / aromatics
```
Added value: +{
+  "type": "null"
+}
```

addedOutput schema / properties / beans / items / properties / bags

Added value: +{
+  "items": {
+    "additionalProperties": true,
+    "properties": {
+      "age_verdict": {
+        "type": "string"
+      },
+      "archived": {
+        "type": "integer"
+      },
+      "bag_notes": {
+        "type": [
+          "null",
+          "string"
+        ]
+      },
+      "bag_weight_g": {
+        "type": [
+          "integer",
+          "null"
+        ]
+      },
+      "bean_id": {
+        "type": "integer"
+      },
+      "best_by_date": {
+        "type": "null"
+      },
+      "buy_date": {
+        "type": "null"
+      },
+      "cost": {
+        "type": [
+          "null",
+          "integer"
+        ]
+      },
+      "currency": {
+        "type": [
+          "null",
+          "string"
+        ]
+      },
+      "days_off_roast": {
+        "type": "integer"
+      },
+      "days_since_opened": {
+        "type": "null"
+      },
+      "ean": {
+        "type": "null"
+      },
+      "effective_age_days": {
+        "type": "integer"
+      },
+      "finished": {
+        "type": "integer"
+      },
+      "frozen_at": {
+        "type": "null"
+      },
+      "frozen_days_excluded": {
+        "type": "integer"
+      },
+      "frozen_note": {
+        "type": "null"
+      },
+      "frozen_storage": {
+        "type": "null"
+      },
+      "grams_remaining": {
+        "type": [
+          "integer",
+          "null"
+        ]
+      },
+      "id": {
+        "type": "integer"
+      },
+      "opened_date": {
+        "type": "null"
+      },
+      "qr_code": {
+        "type": "null"
+      },
+      "roast_date": {
+        "type": "string"
+      },
+      "shots_remaining": {
+        "type": "integer"
+      },
+      "shots_remaining_basis": {
+        "type": "string"
+      },
+      "shots_remaining_dose_g": {
+        "type": [
+          "integer",
+          "number"
+        ]
+      },
+      "shots_remaining_sample": {
+        "type": [
+          "integer",
+          "null"
+        ]
+      },
+      "state": {
+        "type": "string"
+      },
+      "storage": {
+        "type": "null"
+      },
+      "unfrozen_at": {
+        "type": "null"
+      },
+      "weight_adjustment_g": {
+        "type": "integer"
+      }
+    },
+    "required": [
+      "id",
+      "bean_id",
+      "roast_date",
+      "buy_date",
+      "opened_date",
+      "best_by_date",
+      "bag_weight_g",
+      "weight_adjustment_g",
+      "cost",
+      "currency",
+      "state",
+      "finished",
+      "frozen_at",
+      "unfrozen_at",
+      "frozen_storage",
+      "frozen_note",
+      "storage",
+      "ean",
+      "qr_code",
+      "bag_notes",
+      "archived",
+      "effective_age_days",
+      "age_verdict",
+      "grams_remaining",
+      "days_since_opened",
+      "days_off_roast",
+      "frozen_days_excluded"
+    ],
+    "type": "object"
+  },
+  "type": "array"
+}

addedOutput schema / properties / beans / items / properties / best_by_date
```
Added value: +{
+  "type": "null"
+}
```
addedOutput schema / properties / beans / items / properties / body
```
Added value: +{
+  "type": "null"
+}
```
addedOutput schema / properties / beans / items / properties / buy_date
```
Added value: +{
+  "type": "null"
+}
```
addedOutput schema / properties / beans / items / properties / cupping_points
```
Added value: +{
+  "type": "null"
+}
```
addedOutput schema / properties / beans / items / properties / current_bag_id
```
Added value: +{
+  "type": [
+    "integer",
+    "null"
+  ]
+}
```
addedOutput schema / properties / beans / items / properties / ean
```
Added value: +{
+  "type": "null"
+}
```
addedOutput schema / properties / beans / items / properties / frozen_at
```
Added value: +{
+  "type": "null"
+}
```
addedOutput schema / properties / beans / items / properties / frozen_note
```
Added value: +{
+  "type": "null"
+}
```
addedOutput schema / properties / beans / items / properties / frozen_storage
```
Added value: +{
+  "type": "null"
+}
```
addedOutput schema / properties / beans / items / properties / notes
```
Added value: +{
+  "type": [
+    "null",
+    "string"
+  ]
+}
```
addedOutput schema / properties / beans / items / properties / origin
```
Added value: +{
+  "type": "null"
+}
```
addedOutput schema / properties / beans / items / properties / origins / items / properties / elevation_max_m
```
Added value: +{
+  "type": "null"
+}
```

changedOutput schema / properties / beans / items / properties / origins / items / required

Previous value: -[
-  "country",
-  "region",
-  "farm",
-  "farmer",
-  "variety",
-  "processing",
-  "elevation_m",
-  "harvest",
-  "percentage"
-]New value: +[
+  "country",
+  "region",
+  "farm",
+  "farmer",
+  "variety",
+  "processing",
+  "elevation_m",
+  "elevation_max_m",
+  "harvest",
+  "percentage"
+]

addedOutput schema / properties / beans / items / properties / qr_code
```
Added value: +{
+  "type": "null"
+}
```
addedOutput schema / properties / beans / items / properties / roasting_type
```
Added value: +{
+  "type": "null"
+}
```
addedOutput schema / properties / beans / items / properties / sweetness
```
Added value: +{
+  "type": "null"
+}
```
addedOutput schema / properties / beans / items / properties / unfrozen_at
```
Added value: +{
+  "type": "null"
+}
```
addedOutput schema / properties / beans / items / properties / url
```
Added value: +{
+  "type": "null"
+}
```
addedOutput schema / properties / beans / items / properties / variety
```
Added value: +{
+  "type": "null"
+}
```
addedOutput schema / properties / beans / items / properties / weight_adjustment_g
```
Added value: +{
+  "type": "integer"
+}
```

changedOutput schema / properties / beans / items / required

Previous value: -[
-  "id",
-  "name",
-  "roaster",
-  "roast_date",
-  "roast_level",
-  "state",
-  "opened_date",
-  "archived",
-  "finished",
-  "favourite",
-  "decaffeinated",
-  "bag_weight_g",
-  "process_type",
-  "dial_category",
-  "rest_window_days_min",
-  "rest_window_days_max",
-  "storage",
-  "bag_notes",
-  "cost",
-  "currency",
-  "rating",
-  "effective_age_days",
-  "age_verdict",
-  "grams_remaining",
-  "days_since_opened",
-  "days_off_roast",
-  "frozen_days_excluded",
-  "origins"
-]New value: +[
+  "id",
+  "name",
+  "roaster",
+  "roast_level",
+  "archived",
+  "favourite",
+  "decaffeinated",
+  "process_type",
+  "dial_category",
+  "rest_window_days_min",
+  "rest_window_days_max",
+  "rating",
+  "aromatics",
+  "cupping_points",
+  "roasting_type",
+  "variety",
+  "origin",
+  "url",
+  "notes",
+  "arabica_pct",
+  "body",
+  "acidity",
+  "sweetness",
+  "roast_date",
+  "buy_date",
+  "opened_date",
+  "best_by_date",
+  "bag_weight_g",
+  "weight_adjustment_g",
+  "cost",
+  "currency",
+  "state",
+  "finished",
+  "frozen_at",
+  "unfrozen_at",
+  "frozen_storage",
+  "frozen_note",
+  "storage",
+  "ean",
+  "qr_code",
+  "bag_notes",
+  "effective_age_days",
+  "age_verdict",
+  "grams_remaining",
+  "days_since_opened",
+  "days_off_roast",
+  "frozen_days_excluded",
+  "current_bag_id",
+  "bags",
+  "origins"
+]

Changed10 schema fields changedAug 27, 2026

changedOutput schema / properties / beans / items / properties / bag_notes / type
```
Previous value: -"string"New value: +[
+  "null",
+  "string"
+]
```
changedOutput schema / properties / beans / items / properties / bag_weight_g / type
```
Previous value: -"null"New value: +[
+  "integer",
+  "null"
+]
```
changedOutput schema / properties / beans / items / properties / decaffeinated / type
```
Previous value: -"null"New value: +[
+  "integer",
+  "null"
+]
```
changedOutput schema / properties / beans / items / properties / favourite / type
```
Previous value: -"null"New value: +[
+  "integer",
+  "null"
+]
```

changedOutput schema / properties / beans / items / properties / grams_remaining / type

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

addedOutput schema / properties / beans / items / properties / origins / items

Added value: +{
+  "additionalProperties": true,
+  "properties": {
+    "country": {
+      "type": "string"
+    },
+    "elevation_m": {
+      "type": "null"
+    },
+    "farm": {
+      "type": "null"
+    },
+    "farmer": {
+      "type": "null"
+    },
+    "harvest": {
+      "type": "null"
+    },
+    "percentage": {
+      "type": "integer"
+    },
+    "processing": {
+      "type": "null"
+    },
+    "region": {
+      "type": "string"
+    },
+    "variety": {
+      "type": "string"
+    }
+  },
+  "required": [
+    "country",
+    "region",
+    "farm",
+    "farmer",
+    "variety",
+    "processing",
+    "elevation_m",
+    "harvest",
+    "percentage"
+  ],
+  "type": "object"
+}

changedOutput schema / properties / beans / items / properties / rest_window_days_max / type
```
Previous value: -"null"New value: +[
+  "integer",
+  "null"
+]
```
changedOutput schema / properties / beans / items / properties / rest_window_days_min / type
```
Previous value: -"null"New value: +[
+  "integer",
+  "null"
+]
```
changedOutput schema / properties / beans / items / properties / shots_remaining_dose_g / type
```
Previous value: -"number"New value: +[
+  "integer",
+  "number"
+]
```
changedOutput schema / properties / beans / items / properties / shots_remaining_sample / type
```
Previous value: -"null"New value: +[
+  "integer",
+  "null"
+]
```

Changed1 schema field changedAug 17, 2026

changedOutput schema / (root)

Previous value: -nullNew value: +{
+  "additionalProperties": true,
+  "properties": {
+    "beans": {
+      "items": {
+        "additionalProperties": true,
+        "properties": {
+          "age_verdict": {
+            "type": "string"
+          },
+          "archived": {
+            "type": "integer"
+          },
+          "bag_notes": {
+            "type": "string"
+          },
+          "bag_weight_g": {
+            "type": "null"
+          },
+          "cost": {
+            "type": "null"
+          },
+          "currency": {
+            "type": "null"
+          },
+          "days_off_roast": {
+            "type": "integer"
+          },
+          "days_since_opened": {
+            "type": "null"
+          },
+          "decaffeinated": {
+            "type": "null"
+          },
+          "dial_category": {
+            "type": "string"
+          },
+          "effective_age_days": {
+            "type": "integer"
+          },
+          "favourite": {
+            "type": "null"
+          },
+          "finished": {
+            "type": "integer"
+          },
+          "frozen_days_excluded": {
+            "type": "integer"
+          },
+          "grams_remaining": {
+            "type": [
+              "null",
+              "integer"
+            ]
+          },
+          "id": {
+            "type": "integer"
+          },
+          "name": {
+            "type": "string"
+          },
+          "opened_date": {
+            "type": "null"
+          },
+          "origins": {
+            "type": "array"
+          },
+          "process_type": {
+            "type": "string"
+          },
+          "rating": {
+            "type": "null"
+          },
+          "rest_window_days_max": {
+            "type": "null"
+          },
+          "rest_window_days_min": {
+            "type": "null"
+          },
+          "roast_date": {
+            "type": "string"
+          },
+          "roast_level": {
+            "type": "string"
+          },
+          "roaster": {
+            "type": "string"
+          },
+          "shots_remaining": {
+            "type": "integer"
+          },
+          "shots_remaining_basis": {
+            "type": "string"
+          },
+          "shots_remaining_dose_g": {
+            "type": "number"
+          },
+          "shots_remaining_sample": {
+            "type": "null"
+          },
+          "state": {
+            "type": "string"
+          },
+          "storage": {
+            "type": "null"
+          }
+        },
+        "required": [
+          "id",
+          "name",
+          "roaster",
+          "roast_date",
+          "roast_level",
+          "state",
+          "opened_date",
+          "archived",
+          "finished",
+          "favourite",
+          "decaffeinated",
+          "bag_weight_g",
+          "process_type",
+          "dial_category",
+          "rest_window_days_min",
+          "rest_window_days_max",
+          "storage",
+          "bag_notes",
+          "cost",
+          "currency",
+          "rating",
+          "effective_age_days",
+          "age_verdict",
+          "grams_remaining",
+          "days_since_opened",
+          "days_off_roast",
+          "frozen_days_excluded",
+          "origins"
+        ],
+        "type": "object"
+      },
+      "type": "array"
+    }
+  },
+  "required": [
+    "beans"
+  ],
+  "type": "object"
+}

First observedJun 16, 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 a safe, read-only, idempotent operation. The description adds useful behavioral context beyond annotations by explaining that each coffee carries bags[], current_bag_id, and that top-level roast_date/state/grams_remaining/age fields belong to the current bag.

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?

The description is front-loaded with the core purpose, then adds relevant data-model and ID clarifications. It is somewhat dense for a one-parameter list tool, but every sentence provides useful context rather than repeating structured fields.

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 the low complexity, full schema coverage, existing output schema, and annotations covering safety, the description is complete enough for correct invocation. It additionally resolves the potentially confusing distinction between coffee ids and bag ids.

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 status enum is fully documented in the schema, so the schema carries the parameter semantics. The description only restates that there is a status filter, without adding format or default behavior beyond the schema.

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 gives a specific verb and resource: listing coffees registered for the account, with a status filter. It clearly separates coffee rows from bag data, but it does not explicitly distinguish this tool from siblings such as register_coffee or update_bean.

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?

Usage is implied by 'List the coffees registered for the account' with a status filter, so an agent can infer this is for browsing coffees. However, there is no explicit when-to-use guidance, no exclusions, and no named alternatives for cases such as creating or updating coffees.

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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