Individual skill

card-prices

Use when the user asks what a trading card is worth, whether a card is worth grading, PSA 9 vs PSA 10 prices, card price history, trending or rising cards, or the most valuable cards in a set. Covers Pokémon, Magic, Yu-Gi-Oh!, One Piece, Lorcana, Gundam, baseball, basketball, football, hockey, soccer, wrestling, UFC and entertainment cards via the Midpoint MCP server.

plugins/midpoint-card-prices/skills/card-prices/SKILL.md

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Observed behavior: Network or broad shell
Last checked: Nov 4, 2026

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Repository stars (not skill ratings): 3,732
Repository last updated: Nov 6, 2026
License: MIT

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claude Repository topic
claude-code Repository topic
subagents Repository topic
commands Repository topic
claude-code-commands Repository topic
cli-tool Repository topic
mcp Repository topic
mcp-server Repository topic
mcp-tools Repository topic
claude-skills Repository topic
engineering Derived category

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# Card prices and grading ROI

The `midpoint` MCP server exposes Midpoint's card price database as read-only tools.
Prices are USD market values from real sold listings, refreshed daily. Every result
carries the capture date and a link to the card page on cardcenteringtool.com; cite it.

## Workflow

1. **Resolve the card first.** Call `search_cards` with the user's words, e.g.
   `{"query": "1986 fleer michael jordan", "game": "basketball"}`. Pass `game` when the
   user names one. Results are ranked by how much of the query each card explains
   (name, set, year, number). If several look alike, show the top few and confirm the
   set and number before going deeper.
2. **Then use the id.** Card ids are the public URL keys (`swsh7-215`,