ShotPulled

Register an espresso machine

register_machine

Register an espresso or alternative preparation machine. It becomes the active machine only when no machine is in use (none active, or the active one archived); otherwise call set_active with its machine_id to switch to it. The active field of the reply says which.

Input Schema

TableJSON Schema

Name	Required	Description
`name`	Yes	Machine name/model, e.g. Dedica EC685
`notes`	No
`photo`	No	Photo path or URL
`tools`	No	JSON or comma-separated tools, e.g., paper filters, flow control, metal mesh
`archived`	No	1 if archived, 0 if active
`prep_type`	No	Preparation equipment type. One of: espresso_machine, lever_press, moka_pot, aeropress, french_press, v60_dripper, cold_brew. Lower snake_case.
`catalog_id`	No	Optional: the maintenance catalog model this is (the `id` of a catalog row, e.g. rancilio-silvia), when it was registered from the catalog. Its maintenance then comes from that model's researched record. "none" says it is not in the catalog.
`prep_style`	No	Preparation style. One of: espresso, filter, immersion, percolation. Only "espresso" is diagnosed by the dialing engine (G8). Anything else is recorded but never dialed, so do not guess this field.
`boiler_type`	No
`hardness_dh`	No	Optional: the TOTAL hardness (GH) of the water this machine runs on, in °dH (German degrees; ppm as CaCO3 ÷ 17.85), as a test strip reports it. Picks the band of a maker's hardness table for descaling and filter life
`control_type`	Yes
`connected_device`	No	Metadata mapping to smart hardware APIs
`basket_size_grams`	No
`built_in_grinder_id`	No	id of a grinder built into this machine (bean-to-cup / integrated grinder)

Output Schema

TableJSON Schema

Name	Required	Description	Default
`active`	Yes
`status`	Yes
`message`	Yes
`machine_id`	Yes

Schema Changelog

Changes observed during successful MCP inspections.

Changed3 schema fields changedOct 22, 2026

changedInput schema / properties / catalog_id / description

Previous value: -"Optional — the maintenance catalog model this is (the `id` of a catalog row, e.g. rancilio-silvia), when it was registered from the catalog. Its maintenance then comes from that model's researched record. \"none\" says it is not in the catalog."New value: +"Optional: the maintenance catalog model this is (the `id` of a catalog row, e.g. rancilio-silvia), when it was registered from the catalog. Its maintenance then comes from that model's researched record. \"none\" says it is not in the catalog."

changedInput schema / properties / hardness_dh / description

Previous value: -"Optional — the TOTAL hardness (GH) of the water this machine runs on, in °dH (German degrees; ppm as CaCO3 ÷ 17.85), as a test strip reports it. Picks the band of a maker's hardness table for descaling and filter life"New value: +"Optional: the TOTAL hardness (GH) of the water this machine runs on, in °dH (German degrees; ppm as CaCO3 ÷ 17.85), as a test strip reports it. Picks the band of a maker's hardness table for descaling and filter life"

changedInput schema / properties / prep_style / description

Previous value: -"Preparation style. One of: espresso, filter, immersion, percolation. Only \"espresso\" is diagnosed by the dialing engine (G8) — anything else is recorded but never dialed, so do not guess this field."New value: +"Preparation style. One of: espresso, filter, immersion, percolation. Only \"espresso\" is diagnosed by the dialing engine (G8). Anything else is recorded but never dialed, so do not guess this field."

Changed2 schema fields changedSep 27, 2026

addedOutput schema / properties / active
```
Added value: +{
+  "type": "boolean"
+}
```

changedOutput schema / required

Previous value: -[
-  "status",
-  "machine_id",
-  "message"
-]New value: +[
+  "status",
+  "machine_id",
+  "active",
+  "message"
+]

Changed2 schema fields changedSep 27, 2026

addedInput schema / properties / catalog_id

Added value: +{
+  "description": "Optional — the maintenance catalog model this is (the `id` of a catalog row, e.g. rancilio-silvia), when it was registered from the catalog. Its maintenance then comes from that model's researched record. \"none\" says it is not in the catalog.",
+  "type": "string"
+}

addedInput schema / properties / hardness_dh

Added value: +{
+  "description": "Optional — the TOTAL hardness (GH) of the water this machine runs on, in °dH (German degrees; ppm as CaCO3 ÷ 17.85), as a test strip reports it. Picks the band of a maker's hardness table for descaling and filter life",
+  "type": [
+    "number",
+    "null"
+  ]
+}

First observedSep 6, 2026

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