Tanod Images

utilpeek: make a QR code image (SVG or PNG)

make_qr_code

Read-onlyIdempotent

utilpeek: make a QR code image. Input: data, optional format, scale, error and border. Returns svg (text) or data_base64 (PNG) plus version, modules, width_px, height_px and bytes. Data too long for a QR code at the chosen level is a 422 (not charged). Encoded locally, nothing is fetched; typically under 0.1 s. Price: USD 0.001. Free: 10 utilpeek calls per IP per UTC day.

Input Schema

TableJSON Schema

Name	Required	Description	Default
`data`	Yes	Text or URL to encode (1-2000 characters, at most 2953 UTF-8 bytes).
`error`	No	Error correction level (default M).	M
`scale`	No	Pixels per module (1-20, default 8).
`border`	No	Quiet zone in modules (0-10, default 4).
`format`	No	svg (text) or png (base64).	svg

Output Schema

TableJSON Schema

Name	Required	Description
`svg`	No
`bytes`	No
`error`	No	Only on an error result: an object {code, message}, or the reason string of an x402 PaymentRequired object.
`scale`	No
`border`	No
`format`	No
`modules`	No
`version`	No
`width_px`	No
`height_px`	No
`data_base64`	No
`content_type`	No

Schema Changelog

Changes observed during successful MCP inspections.

Changed1 schema field changedOct 8, 2026

changedOutput schema / (root)

Previous value: -nullNew value: +{
+  "properties": {
+    "border": {
+      "type": [
+        "integer",
+        "null"
+      ]
+    },
+    "bytes": {
+      "type": [
+        "integer",
+        "null"
+      ]
+    },
+    "content_type": {
+      "type": [
+        "string",
+        "null"
+      ]
+    },
+    "data_base64": {
+      "type": [
+        "string",
+        "null"
+      ]
+    },
+    "error": {
+      "description": "Only on an error result: an object {code, message}, or the reason string of an x402 PaymentRequired object."
+    },
+    "format": {
+      "enum": [
+        "svg",
+        "png",
+        null
+      ],
+      "type": [
+        "string",
+        "null"
+      ]
+    },
+    "height_px": {
+      "type": [
+        "integer",
+        "null"
+      ]
+    },
+    "modules": {
+      "type": [
+        "integer",
+        "null"
+      ]
+    },
+    "scale": {
+      "type": [
+        "integer",
+        "null"
+      ]
+    },
+    "svg": {
+      "type": [
+        "string",
+        "null"
+      ]
+    },
+    "version": {
+      "type": [
+        "integer",
+        "null"
+      ]
+    },
+    "width_px": {
+      "type": [
+        "integer",
+        "null"
+      ]
+    }
+  },
+  "type": "object"
+}

First observedOct 8, 2026

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