Sports Card Agent MCP Server

An MCP server that gives AI agents expert-level sports trading card data. Covers pricing, market analysis, arbitrage detection, grading ROI, investment advice, player stats (NBA/NFL/MLB), vintage card analysis, and trending player alerts. Its 9 documented tools cover card, stats, analysis. It runs locally over stdio via the published package.

People connecting finance tools to Claude, Cursor, VS Code, or another MCP client. The project is written in Python.

VERIFIED ACTIVE

LAST COMMIT 2026-03-24 · ★ 2 · #224 OF 283 MAINTAINED FINANCE · VERIFIED 2026-08-25

MIT · Python servers · how we verify → /methodology

01 · Install Sports Card Agent

before you install - you'll need

Set EBAY_APP_ID, EBAY_CERT_ID, BALLDONTLIE_API_KEY before connecting.

Claude Code

claude mcp add rjexile-sports-card-agent -- uvx sports-card-agent

Claude Desktop / Cursor / VS Code - add to config

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

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as local process (stdio) - runs on your machine with your user's permissions

license MIT - declared in the repository

pypi package sports-card-agent - check the name against the project README before installing (PyPI has no namespace ownership)

registry namespace io.github.rjexile is GitHub-verified and matches the repo owner

03 · What Sports Card Agent can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

What you can build

An agent gets 9 documented tools spanning card, stats, analysis, including card_price_lookup, card_market_analysis, player_stats_lookup, nfl_stats_lookup.

Capability map

Tools grouped from the project's README - what Sports Card Agent lets an agent do.

Card

3 tools - e.g. Real-time sold and active prices from eBay. Supports any sport, brand, year, or grading.; Trend analysis comparing sold vs asking prices. Detects arbitrage opportunities where cards are listed below…

card_price_lookup · card_market_analysis · card_investment_advisor

Player

1 tool - e.g. Multi-sport player stats (NBA/NFL/MLB) with card market insights based on performance.

player_stats_lookup

Nfl

1 tool - e.g. NFL passing, rushing, receiving, and defensive stats with card market insights.

nfl_stats_lookup

Mlb

1 tool - e.g. MLB batting (AVG, HR, RBI, OPS) and pitching (ERA, K, WHIP) stats with card insights.

mlb_stats_lookup

Grading

1 tool - e.g. Calculates whether grading a card is profitable. Compares raw vs graded prices for PSA, BGS, and SGC with fee-adjusted ROI.

grading_roi_calculator

Trending

1 tool - e.g. Identifies NBA players with breakout performances whose cards are likely rising in value.

trending_players

Vintage

1 tool - e.g. Era-specific analysis for pre-2000 cards. Covers 40+ iconic sets from 1909 T206 to 2000 Playoff Contenders with grade-based pricing.

vintage_card_analysis

04 · Who maintains Sports Card Agent

sports-card-agent is maintained by rjexile. It's the only MCP server we track from this author; the repo dates to Mar 2026.

05 · Facts

category
finance - ranked #224 of 283 actively-maintained finance servers as of 2026-08-25.
registry
io.github.rjexile/sports-card-agent (active, first published 2026-03-24)
packages
pypi:sports-card-agent

06 · Sports Card Agent FAQ

Is Sports Card Agent still maintained?

Yes - as of 2026-08-25, its last commit was 2026-03-24. We re-verify nightly.

What can Sports Card Agent do?

An agent gets 9 documented tools spanning card, stats, analysis, including card_price_lookup, card_market_analysis, player_stats_lookup, nfl_stats_lookup.

How do I install Sports Card Agent?

Run `uvx sports-card-agent`. The README documents 3 environment variables (EBAY_APP_ID, EBAY_CERT_ID, BALLDONTLIE_API_KEY) to set first. Set EBAY_APP_ID, EBAY_CERT_ID, BALLDONTLIE_API_KEY before connecting. You can also paste the ready-made client config above.

Does Sports Card Agent run locally?

Yes - it's a stdio server: it runs on your machine (via uvx) with your user's permissions. Your data stays local unless the server itself calls external APIs.

07 · Alternatives to Sports Card Agent

More finance MCP servers · Roamzy Io MCP Server · Agentpay · Polymarket Toolkit · Undesirables MCP Server · Organizze

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