smartscale

Deterministic CR80 pixel-geometry scaler.

CommunityDegradedNo sign-inGlobalFreeRead-only

What it can do

    What data it sees

    Do you need an account

    No: the server works without sign-in

    Deterministic CR80 pixel-geometry scaler. Callers supply the card and object pixel geometry; this MC

    How to connect

    How to connect smartscale to Claude

    The server address to paste into Claude settings:

    https://mcp.viridisconservation.com/smartscale/mcp

    1. Open Claude (claude.ai or the desktop app).
    2. Go to Settings → Connectors.
    3. Click Add custom connector.
    4. Paste the server address copied below into Remote MCP server URL and click Add.
    5. In a chat, click + → Connectors and switch the new connector on.

    Custom connectors are available on Free, Pro, Max, Team and Enterprise plans (Free is limited to one). On Team and Enterprise an organization Owner adds the connector first under Organization settings → Connectors.

    Authorization

    After you click Add, a sign-in window for the service opens. Sign in with your own account and approve access. Claude never sees your password.

    How to connect smartscale to ChatGPT

    The server address to paste into ChatGPT settings:

    https://mcp.viridisconservation.com/smartscale/mcp

    1. Open ChatGPT in a browser (chatgpt.com). A Plus, Pro, Business, Enterprise or Edu plan is required.
    2. Turn on developer mode once: Settings → Apps → Advanced settings → Developer mode.
    3. Open Settings → Connectors and click Create.
    4. Fill in the form: Name (anything), Description (one line about what the service does), MCP server URL (copy it below).
    5. Under Authentication choose OAuth if the service requires sign-in, otherwise None. Click Create.
    6. In a new chat open + → Apps/Connectors and enable the connector.

    OpenAI has renamed this section before (Connectors → Apps/Plugins). If the label differs, search settings for "developer mode". On Business/Enterprise workspaces an admin must allow custom connectors first.

    Authorization

    On first use ChatGPT opens the service's sign-in window. Sign in and approve access.

    How to connect smartscale to Cursor

    The server address to paste into Cursor settings:

    https://mcp.viridisconservation.com/smartscale/mcp

    Fastest: click Open in Cursor below and confirm the prompt.

    Manually:

    1. In Cursor open Settings → Cursor Settings → MCP and click Add new global MCP server.
    2. Paste the JSON copied below into ~/.cursor/mcp.json (per project: .cursor/mcp.json in the repo root).
    3. Save the file. The server appears in the MCP list; authorize it there if asked.

    Authorization

    If the service needs sign-in, an authorize button appears next to the server in the MCP list.

    Server tool list (4)

    Raw names from tools/list. Only developers need these.

    credit_card_photo_instructionsReturn safe capture guidance for upstream CR80 pixel picking. The image stays with the caller or upstream vision system; SmartScale only receives numeric pixel geometry.
    scale_objects_from_credit_cardScale object pixel dimensions using a standard CR80 credit card reference. Args: image_id: Caller-defined source identifier; no image is uploaded. credit_card_pixel_width: Caller-supplied pixel width of a CR80-size card. objects: Objects to scale. Each object needs pixel_width and pixel_height; label, pixel_area, pixel_perimeter, and input confidence are optional. credit_card_pixel_height: Optional caller-supplied height for distortion check. payment_ref: Optional paid escrow reference consumed by the gateway. request_id: Optional retry-safe idempotency key (maximum 128 characters).
    describeReturn SmartScale capabilities and input contract.
    healthReturn SmartScale health status.