Sports Trading Card Agent

Name: Sports Trading Card Agent
Author: rjexile

@rjexile

About Sports Trading Card Agent

Real-time sports card pricing, market analysis, arbitrage detection, grading ROI, investment advice, and player stats (NBA/NFL/MLB). 9 tools for AI agents helping collectors and investors.

#sports-cards #trading-cards #pricing #nba #nfl #mlb #arbitrage #grading #investment #vintage #psa #ebay

Basic information

Config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "sports-trading-card-agent": {
      "command": "uvx",
      "args": [
        "sports-card-agent"
      ]
    }
  }
}

Tools

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We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.

Overview

What is Sports Trading Card Agent?

Sports Trading Card Agent is an MCP server that gives AI agents expert-level sports trading card data. It covers pricing, market analysis, arbitrage detection, grading ROI, investment advice, player statistics (NBA/NFL/MLB), vintage card analysis, and trending player alerts through nine tools across three sports and over 40 vintage sets.

How to use Sports Trading Card Agent?

Install via pip install sports-card-agent, then run sports-card-agent from the command line. Configure the Claude Desktop or Claude Code MCP client to launch the server with the sports-card-agent command, and optionally set EBAY_APP_ID, EBAY_CERT_ID, and BALLDONTLIE_API_KEY environment variables for live data. The server works immediately without API keys using mock data.

Key features of Sports Trading Card Agent

Real-time sold and active prices from eBay
Multi-sport player stats with card market insights
Detect arbitrage opportunities where cards are listed below market value
Grading ROI calculator for PSA, BGS, and SGC
Buy/sell/hold recommendations based on market trends and player performance
Trending player alerts for breakout NBA performers

Use cases of Sports Trading Card Agent

Look up current market prices for any sports trading card
Evaluate whether grading a card is profitable after fees
Get buy/sell/hold advice combining player performance with market data
Analyze market trends for vintage sets from 1909 T206 through 2000 Playoff Contenders
Identify NBA players whose cards are likely rising in value

FAQ from Sports Trading Card Agent

What data sources does Sports Trading Card Agent use?

It uses the eBay API for real-time sold and active prices, and the Ball Don’t Lie API for NBA player statistics. It runs with mock data when no API keys are provided.

Do I need API keys to use the server?

No. The server works immediately without API keys by serving mock data, so you can try it out before registering for the free eBay and Ball Don’t Lie APIs.

Which sports and trading card sets are covered?

Sports include baseball, basketball, football, hockey, and soccer. Player stats cover NBA, NFL, and MLB. Over 40 vintage card sets are supported, including 1909 T206, 1952 Topps, 1986 Fleer Basketball, and 2000 Playoff Contenders.

Which grading companies does the ROI calculator support?

The grading ROI calculator supports PSA, BGS, and SGC with all their service tiers and current pricing. It compares raw versus graded prices and includes fee-adjusted ROI.

How are the tools exposed to AI agents?

The server exposes nine MCP tools covering pricing lookups, market analysis, player stats across three sports, grading ROI calculation, investment advice, trending player alerts, and vintage card analysis.