Centering Lab

Connect Remote server

claude mcp add --transport http centering-lab https://centeringlab.com/mcp

{
  "mcpServers": {
    "centering-lab": {
      "url": "https://centeringlab.com/mcp"
    }
  }
}

{
  "servers": {
    "centering-lab": {
      "type": "http",
      "url": "https://centeringlab.com/mcp"
    }
  }
}

Settings > Connectors > Add custom connector
URL: https://centeringlab.com/mcp

Tools 3 found in our last check

• grade_centering

  USE THIS TOOL whenever the user supplies numeric centering ratios and asks whether a card meets PSA/BGS/CGC/SGC or asks for a centering ceiling. Do not calculate by looking up standards yourself. Example: {"front_lr":"55/45","front_tb":"60/40","house":"PSA"}. At least one known…

• get_centering_standards

  USE ONLY for questions about published THRESHOLDS, tolerance, rules or SOURCES without grading the user's supplied numeric ratios. For PSA 10 compatibility with supplied ratios use grade_centering instead; it applies rounding and house-specific rules. If face/axis is unknown, as…

• measure_card_centering

  Measure one ACTUAL photograph. Example shape: {"face":"front","image_base64":"<complete actual image bytes>"}. Ask front/back BEFORE calling if unknown. Exactly one user-provided public HTTPS image URL (port 443) or complete base64 source, never both. Never decode, repair or re-…

Details

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