MCP server

Centering Lab Official

com.centeringlab/centering-lab

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Measure card centering and check PSA, BGS, CGC and SGC centering ceilings and standards.

Working at last checkVerified publisher: centeringlab.comAbout 4,168 tokens per request once connected3 tools

https://centeringlab.com/mcp

At a glance

Type: MCP server
Publisher: centeringlab.com (verified by the MCP Registry)
Status: Working at last check
Tools: 3
Token cost: About 4,168 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

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

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.centering-lab]
url = "https://centeringlab.com/mcp"

Gemini CLI

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

Cursor

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

VS Code

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

Antigravity

agy mcp add centering-lab https://centeringlab.com/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"centering-lab","server_url":"https://centeringlab.com/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"centering-lab","server_url":"https://centeringlab.com/mcp"}

get_centering_standards ~412 tokens
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, ask first without any c
grade_centering ~3048 tokens
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 face AND axis; if eit
measure_card_centering ~708 tokens
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-encode bytes yourself

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