INDIVIDUAL MCP TOOL

grading_roi

Use this when the user asks whether a card is worth grading, submitting to PSA/CGC/BGS/SGC/TAG, or what a PSA 10 adds.

cardcenteringtool.comnone authenticationAvailability not checked

LIVE ENDPOINT

https://mcp.cardcenteringtool.com/mcp

No auth detected

Connect to this endpoint to inspect the live schema for grading_roi and invoke it with your own arguments.

{}

Inferred read-only · medium confidence · heuristic, not a guarantee.

No write-capable action terms were found; this is not proof that invocation has no side effects.

CONNECT WITH APPROVAL

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.midpoint-card-prices]
url = "https://mcp.cardcenteringtool.com/mcp"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "midpoint-card-prices": {
      "type": "http",
      "url": "https://mcp.cardcenteringtool.com/mcp"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: midpoint-card-prices
Remote MCP URL: https://mcp.cardcenteringtool.com/mcp

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "midpoint-card-prices": {
      "url": "https://mcp.cardcenteringtool.com/mcp"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "midpoint-card-prices": {
      "type": "http",
      "url": "https://mcp.cardcenteringtool.com/mcp"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "midpoint-card-prices",
  "transport": "streamable-http",
  "url": "https://mcp.cardcenteringtool.com/mcp"
}

MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

search_cards — Use this first when the user names a trading card and wants its value, price, or whether to grade it.
get_card_prices — Use this when the user wants the full current value of a specific card: ungraded prices by condition (NM/LP/MP/HP) and graded prices for every company and grade on record (PSA, CGC, BGS, SGC, TAG).
get_price_history — Use this when the user asks how a card's price has changed over weeks or months, or wants a trend for the raw or a PSA-graded series.
best_cards_to_grade — Use this when the user asks which cards in a game, sport or set have the biggest payoff from grading.
trending_cards — Use this when the user asks which cards are rising, hot, spiking, crashing or trending, in one game or across all games.
liquid_movers — Use this when the user wants cards that are both rising in price and easy to sell: recent gainers filtered to cards with at least 25 recorded sales a year and a raw price of at least $5, across all games and sports.
list_sets — Use this to find the set id for a game or sport (e.
get_set_cards — Use this when the user wants the most valuable cards in a specific set or a priced checklist of a set.