Slabline

Reliability

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How to connect

Add it to any MCP client that supports remote servers.

{
  "mcpServers": {
    "slabline": {
      "type": "http",
      "url": "https://slabline.ai/mcp"
    }
  }
}

4 tools

• search_cards

  Search Slabline's catalogue of 1.5M+ graded cards (PSA/BGS/SGC/CGC) by player, set, or year. Returns up to 10 matches with their current Slabline value, highest-value first.

• value_card

  Get one card's current Slabline value: graded market value, raw/loose value, and the across-grades total. Pass a slug from search_cards, or a free-text query (the top match is used). Values are Slabline-derived from real comparable sales; individual sale rows are not returned.

• search

  Search Slabline for graded trading cards (sports & TCG) by player, set, or year. Returns matches, each with an id to pass to fetch.

• fetch

  Fetch one Slabline card by id (the slug returned by search): its current graded market value, raw/loose value, and across-grades total.

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