Moltline Vision Maths is an MCP server with 6 tools an agent can call, among them bbox_convert, colour_check, detection_metrics. It answers at https://mcp.moltlinestudio.com/vision over streamable HTTP, and it listed its tools to an anonymous client, so no sign-in was needed for that. Our probes reached it 10 of 10 times since 5 September 2026; the last check, on 18 October 2026, succeeded.
Image header probing, bbox conversion, resize plans and colour maths. 4 of 6 free.
Description as the publisher wrote it.
| Tool | What it does |
|---|---|
bbox_convert | Convert bounding boxes between COCO, Pascal VOC and YOLO. FREE. The three formats disagree on everything: COCO is [x, y, width, height], VOC is [x1, y1, x2, y2], YOLO is [cx, cy, w, h] normalised to the image. Getting this wrong produces bo Inputs: boxes, from_format, to_format, image_width, image_height, clip |
colour_check | Check a colour pair against the WCAG contrast thresholds. FREE. Uses the WCAG 2 relative-luminance formula, so the number matches what an accessibility audit will report. Typical input {"foreground": "#767676", "background": "#ffffff"} retu Inputs: foreground, background, large_text |
detection_metrics | Score detections against ground truth and show the working. PREMIUM (license). Greedy matching at the IoU threshold, highest-confidence prediction first, each ground-truth box matched at most once - the standard protocol. Reports per-class Inputs: predictions, ground_truth, iou_threshold, box_format, image_width, image_height |
image_probe | Read an image's format and pixel size from its header alone. FREE. Dimensions live in the first few dozen bytes of PNG, JPEG, GIF, BMP and WebP, so a base64 prefix is enough - you do not need to send the whole file, and nothing is decoded. Inputs: data_base64 |
nms | Remove duplicate detections of the same object. PREMIUM (license). Greedy non-maximum suppression: keep the highest-scoring box, drop everything overlapping it above the threshold, repeat. Ties break on the earlier index, so the result is d Inputs: boxes, scores, iou_threshold, box_format, image_width, image_height |
resize_plan | Work out the exact scale, padding and crop for a model input size. FREE. Returns the numbers you need to transform boxes alongside the image, which is the step that usually gets skipped. Typical input {"width": 1920, "height": 1080, "target Inputs: width, height, target, target_size, mode |
Every block below points at https://mcp.moltlinestudio.com/vision. Pick your client and copy.
claude mcp add --transport http moltline-vision-maths https://mcp.moltlinestudio.com/vision
{
"mcpServers": {
"moltline-vision-maths": {
"command": "npx",
"args": ["-y", "mcp-remote", "https://mcp.moltlinestudio.com/vision"]
}
}
}{
"mcpServers": {
"moltline-vision-maths": {
"url": "https://mcp.moltlinestudio.com/vision"
}
}
}{
"servers": {
"moltline-vision-maths": {
"type": "http",
"url": "https://mcp.moltlinestudio.com/vision"
}
}
}{
"context_servers": {
"moltline-vision-maths": {
"url": "https://mcp.moltlinestudio.com/vision"
}
}
}{
"mcpServers": {
"moltline-vision-maths": {
"serverUrl": "https://mcp.moltlinestudio.com/vision"
}
}
}{
"mcpServers": {
"moltline-vision-maths": {
"url": "https://mcp.moltlinestudio.com/vision"
}
}
}name: Moltline Vision Maths
version: 0.0.1
schema: v1
mcpServers:
- name: Moltline Vision Maths
type: streamable-http
url: https://mcp.moltlinestudio.com/vision{
"mcpServers": {
"moltline-vision-maths": {
"httpUrl": "https://mcp.moltlinestudio.com/vision"
}
}
}{
"mcpServers": {
"moltline-vision-maths": {
"type": "http",
"url": "https://mcp.moltlinestudio.com/vision"
}
}
}{
"mcpServers": {
"moltline-vision-maths": {
"url": "https://mcp.moltlinestudio.com/vision"
}
}
}goose://extension?url=https%3A%2F%2Fmcp.moltlinestudio.com%2Fvision&type=streamable_http&id=moltline-vision-maths&name=Moltline%20Vision%20Maths
It answered our last check on 18 October 2026 in 391 ms. Over 10 checks since 5 September 2026 it answered 10. Status here comes from Neuronto's own probes, not from the publisher.
Yes. It is published by moltlinestudio.com and served from mcp.moltlinestudio.com, the vendor's own domain: https://mcp.moltlinestudio.com/vision.
6, as returned by the server's own tools/list on 31 August 2026: bbox_convert, colour_check, detection_metrics, image_probe, nms, resize_plan.
It answered our last check on 18 October 2026 in 391 ms. Over 10 checks since 5 September 2026 it answered 10.
Put the server under mcpServers in ~/.cursor/mcp.json with the URL https://mcp.moltlinestudio.com/vision. The exact JSON is above, with the same setup for Claude Code, Claude Desktop, VS Code, Windsurf, Zed, Gemini CLI and the rest.
It listed its tools to an anonymous client, so reading the tool list needs no key. Individual tools can still ask for credentials in their own inputs.
Publisher: com.moltlinestudio. Endpoint host: mcp.moltlinestudio.com. ARD identifier: urn:air:com.moltlinestudio:mcp:vision.
First indexed 31 August 2026. The tools are exactly what the server returned; nothing on this page
is inferred from its name. Ranking in Neuronto search is never for sale.