Tools (4)

generate_qr_code
list_qr_formats
list_qr_error_correction_levels
report_feedback

generate_qr_code

Generate a QR code URL for the given text or URL.

Returns a URL that renders a QR code image. The URL can be used directly in an <img> tag
or opened in a browser. No image data is returned — only the URL.

Parameter	Type	Required	Description
`data`	`string`	required	The text or URL to encode in the QR code.
`size`	`integer`	optional	Image size in pixels (10-1000). (default: 200)
`format`	`string`	optional	Image format: png, gif, jpeg, svg, eps. (default: "png")
`error_correction`	`string`	optional	Error correction level: L, M, Q, H. (default: "M")
`color`	`string`	optional	QR code color as hex (e.g. 000000 for black). (default: "000000")
`bg_color`	`string`	optional	Background color as hex (e.g. ffffff for white). (default: "ffffff")

JSON-RPC Request

{
  "jsonrpc": "2.0",
  "method": "tools/call",
  "id": 1,
  "params": {
    "name": "generate_qr_code",
    "arguments": {
      "data": "example"
    }
  }
}

list_qr_formats

List supported QR code image formats.

Returns the available output formats for QR code generation.

JSON-RPC Request

{
  "jsonrpc": "2.0",
  "method": "tools/call",
  "id": 1,
  "params": {
    "name": "list_qr_formats",
    "arguments": {}
  }
}

list_qr_error_correction_levels

List available QR code error correction levels.

Returns the error correction levels (L/M/Q/H) with descriptions of their recovery capability.

JSON-RPC Request

{
  "jsonrpc": "2.0",
  "method": "tools/call",
  "id": 1,
  "params": {
    "name": "list_qr_error_correction_levels",
    "arguments": {}
  }
}

report_feedback

Report a bug, feature request, or general feedback for this data source.

Use this when something doesn't work as expected, when you'd like
a new feature, or when you have suggestions for improvement.

Args:
feedback: Describe the issue or suggestion.
feedback_type: One of 'bug', 'feature_request', or 'general'.

Parameter	Type	Required	Description
`feedback`	`string`	required
`feedback_type`	`string`	optional	(default: "general")

JSON-RPC Request

{
  "jsonrpc": "2.0",
  "method": "tools/call",
  "id": 1,
  "params": {
    "name": "report_feedback",
    "arguments": {
      "feedback": "example"
    }
  }
}

Quick Start

Shell

curl -X POST "https://context.gnist.ai/mcp/qr-code/" \
  -H "Content-Type: application/json" \
  -H "Accept: application/json, text/event-stream" \
  -H "Gnist-API-Key: YOUR_API_KEY" \
  -d '{"jsonrpc": "2.0", "method": "tools/call", "id": 1, "params": {"name": "generate_qr_code", "arguments": {"data": "example"}}}'

Python

import httpx

resp = httpx.post(
    "https://context.gnist.ai/mcp/qr-code/",
    headers={"Gnist-API-Key": "YOUR_API_KEY", "Content-Type": "application/json"},
    json={
  "jsonrpc": "2.0",
  "method": "tools/call",
  "id": 1,
  "params": {
    "name": "generate_qr_code",
    "arguments": {
      "data": "example"
    }
  }
},
)
print(resp.json())