Slabline

Values graded sports cards and Pokémon/TCG slabs by grade from real sales. Free, read-only.

Install

Remote server: your requests and data go to slabline.ai. Claude Code: claude mcp add --transport http slabline https://slabline.ai/mcp · Claude app: Settings → Connectors → Add custom connector.

What it can do

The tools this server listed when we connected to it, in its own words.

• 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 Sla
• 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
• 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.

KitScout test notes

Not tested by KitScout yet. When our harness runs it, pros, cons and the tasks we tried appear here, with the date and evidence.

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