Previous value: -"Bring-your-own pricing: 2-8 letter currency code (e.g. USD, EUR). Default USD."New value: +"BYO pricing: currency code (USD, EUR, ...). Default USD."

Previous value: -"File name incl. extension, e.g. 'bracket.stl'. Sets the file type; required with model_base64."New value: +"File name incl. extension, e.g. 'bracket.stl'. Required with model_base64."

Previous value: -"Sparse infill density percent (0-100). Used for the material-saving delta in a full DFM report."New value: +"Sparse infill density percent (0-100)."

Previous value: -"Explicit layer height in mm (0.04-0.6); overrides `quality` if both are given."New value: +"Explicit layer height mm (0.04-0.6); overrides `quality`."

Previous value: -"Bring-your-own pricing: machine time cost per hour, in `currency`. Default FabTally's rate."New value: +"BYO pricing: machine time cost/hour."

Previous value: -"Bring-your-own pricing: fractional margin on top of cost, e.g. 0.3 = 30%. Default FabTally's margin."New value: +"BYO pricing: fractional margin, 0.3 = 30%."

Previous value: -"Bring-your-own pricing: extra percent markup applied on top of margin. Default 0."New value: +"BYO pricing: extra % markup on top of margin."

Previous value: -"Bring-your-own pricing: override the material's $/kg cost. Default FabTally's material pricing."New value: +"BYO pricing: override material $/kg."

Previous value: -"Bring-your-own pricing: price floor per unit, in `currency`. Default FabTally's minimum."New value: +"BYO pricing: per-unit price floor."

Previous value: -"Base64-encoded model file bytes (STL/3MF/OBJ/PLY/STEP), an alternative to model_url for inline data. Provide `filename` too."New value: +"Base64 model bytes — small-file fallback only (roughly <50KB). MCP clients (Claude/ChatGPT Desktop) truncate large inline tool arguments, so a real STL can silently arrive corrupted. For anything bigger use model_url (upload at https://fabtally.com/upload first). Provide `filename` too."

Previous value: -"Public https URL to the 3D model file (STL, 3MF, OBJ, PLY, or STEP). The server fetches it. Use this OR model_base64."New value: +"PREFERRED. Public URL to the 3D model. Paste a link: Thingiverse/Printables/MakerWorld model pages, a GitHub blob, Google Drive or Dropbox share link, a direct .stl/.3mf/.obj/.ply/.step URL, or a .zip (first printable model inside is used). Local file? Upload once at https://fabtally.com/upload and paste that URL. The server fetches and (if a zip) unpacks it."

Previous value: -"3D printer id from list_printers (elegoo-neptune4-max, bambu-a1, bambu-a1-mini, bambu-p1s, bambu-x1c, prusa-mk4, prusa-mini, ender3-v3, creality-k1, creality-k1-max, voron-24-350, anycubic-kobra2). Default elegoo-neptune4-max."New value: +"Printer id from list_printers (elegoo-neptune4-max, bambu-a1, bambu-a1-mini, bambu-p1s, bambu-x1c, prusa-mk4, prusa-mini, ender3-v3, creality-k1, creality-k1-max, voron-24-350, anycubic-kobra2). Default elegoo-neptune4-max."

Previous value: -"Print quality preset: draft 0.28mm | standard 0.20mm | fine 0.12mm layer height."New value: +"Quality preset: draft 0.28mm | standard 0.20mm | fine 0.12mm layer height."

Previous value: -"Number of parts (1-10000). Volume discounts apply automatically. Default 1."New value: +"Number of parts (1-10000). Volume discounts apply. Default 1."

Previous value: -"Bring-your-own pricing: flat per-quote setup fee, in `currency`. Default FabTally's fee."New value: +"BYO pricing: flat per-job setup fee."

Added value: +{
+  "description": "Bring-your-own pricing: 2-8 letter currency code (e.g. USD, EUR). Default USD.",
+  "type": "string"
+}

Added value: +{
+  "description": "Sparse infill density percent (0-100). Used for the material-saving delta in a full DFM report.",
+  "maximum": 100,
+  "minimum": 0,
+  "type": "number"
+}

Added value: +{
+  "description": "Explicit layer height in mm (0.04-0.6); overrides `quality` if both are given.",
+  "type": "number"
+}

Added value: +{
+  "description": "Bring-your-own pricing: machine time cost per hour, in `currency`. Default FabTally's rate.",
+  "type": "number"
+}

Added value: +{
+  "description": "Bring-your-own pricing: fractional margin on top of cost, e.g. 0.3 = 30%. Default FabTally's margin.",
+  "type": "number"
+}

Added value: +{
+  "description": "Bring-your-own pricing: extra percent markup applied on top of margin. Default 0.",
+  "type": "number"
+}

Added value: +{
+  "description": "Bring-your-own pricing: override the material's $/kg cost. Default FabTally's material pricing.",
+  "type": "number"
+}

Added value: +{
+  "description": "Bring-your-own pricing: price floor per unit, in `currency`. Default FabTally's minimum.",
+  "type": "number"
+}

Added value: +{
+  "description": "3D printer id from list_printers (elegoo-neptune4-max, bambu-a1, bambu-a1-mini, bambu-p1s, bambu-x1c, prusa-mk4, prusa-mini, ender3-v3, creality-k1, creality-k1-max, voron-24-350, anycubic-kobra2). Default elegoo-neptune4-max.",
+  "type": "string"
+}

Added value: +{
+  "description": "Print quality preset: draft 0.28mm | standard 0.20mm | fine 0.12mm layer height.",
+  "enum": [
+    "draft",
+    "standard",
+    "fine"
+  ],
+  "type": "string"
+}

Added value: +{
+  "description": "Bring-your-own pricing: flat per-quote setup fee, in `currency`. Default FabTally's fee.",
+  "type": "number"
+}

Added value: +{
+  "description": "Support generation style.",
+  "enum": [
+    "auto",
+    "none",
+    "tree"
+  ],
+  "type": "string"
+}

Removed value: -{
-  "description": "x402 payment payload (base64) for a PAID tool. If supplied it is forwarded as the X-PAYMENT header to settle the call and return the real result instead of a 402 challenge. Omit to get the price challenge first.",
-  "type": "string"
-}