MTG MCP Server

io.github.j4th/mtg-mcp-serverv3.0.0Analytics

Magic: The Gathering card search, combo lookup, draft analytics, and Commander tools.

In-path gate · all MCP tools

Using MTG MCP Server in Claude, Cursor, Gemini CLI, Cline, or Zed?

MCP tool contracts can change remotely with no version bump. The mcpindex gate pins each contract and HOLDs the call when it drifts-before your agent acts. Zero credentials. This is not the package install for this server itself (use Install this server for that).

Install the mcpindex gate (one command)

Rewrites your MCP host config so each server launches behind the gate. Inspect first: curl -fsSL https://mcpindex.ai/install.sh | less

uv tool install mcpindex-gate && mcpindex-config-wire

Auditable install path →Watch it hold a drift →

Trust verdict · v1 advisory · method

REVIEWstatus: PARTIALfresh until 2026-08-04 20:04 UTC

screened 2026-07-05tier: scannedgranularity: description-levelsource: registry

Semantic screen found no manipulation pattern in the description. Conformance probe not yet run.

mcpindex.integrity.descriptionpassINFO

evidence“No malicious instructions found”via static_description

Limits of this verdict

- Semantic screen only - the deterministic conformance probe has not run on this server
- Confidence is reported but not yet calibrated (v1)
- Screen reads the tool description, not the live behavior
- advisory
- registry description only no input schema
- screen model 8b

Semantic screen: an LLM judge reads the tool description for hidden instructions (status PARTIAL). A pass means the description is not lying, not that the tool is safe: a high-capability tool with an honest description still warrants caution. The deterministic conformance probe has not been run on this server yet, so the screen here is semantic-only. Posture: advisory. Confidences are reported but not yet calibrated (calibrated=false at v1). Full verdict history is not shown on this page.

Own this server? Screen its description →

That verdict was true at screening time (snapshot 2026-07-31).

Contracts can change after screening, with no version bump. The gate pins MTG MCP Server’s tool contracts on first sight and holds any silent change before your agent acts - the check that keeps being true on Tuesday.

See your first HOLD in 2 minutes →

Embed this badge

A live verdict badge for your README or listing. It reflects the current screen, links back here, and updates when the verdict does.

Markdown

[![mcpindex](https://mcpindex.ai/api/v1/badge/io-github-j4th-mtg-mcp-server)](https://mcpindex.ai/server/io-github-j4th-mtg-mcp-server)

HTML

<a href="https://mcpindex.ai/server/io-github-j4th-mtg-mcp-server"><img src="https://mcpindex.ai/api/v1/badge/io-github-j4th-mtg-mcp-server" alt="mcpindex verdict" height="20" /></a>

Environment variables

MTG_MCP_TRANSPORT

Server transport — 'stdio' (default) or 'http'

MTG_MCP_HTTP_PORT

HTTP port when transport is 'http'

MTG_MCP_LOG_LEVEL

Logging level — DEBUG, INFO, WARNING, or ERROR

MTG_MCP_ENABLE_17LANDS

Enable 17Lands draft analytics backend

MTG_MCP_ENABLE_EDHREC

Enable EDHREC commander metagame backend (uses undocumented endpoints)

MTG_MCP_ENABLE_BULK_DATA

Enable Scryfall Oracle Cards bulk data for rate-limit-free lookups (~30 MB download)

MTG_MCP_SCRYFALL_RATE_LIMIT_MS

Minimum delay between Scryfall API calls in milliseconds

MTG_MCP_BULK_DATA_REFRESH_HOURS

Hours between Scryfall bulk data refreshes

MTG_MCP_ENABLE_RULES

Enable Comprehensive Rules engine for rules lookup and keyword tools

MTG_MCP_DISABLE_CACHE

Disable in-memory TTL caching (useful for testing)

MTG_MCP_ENABLE_MOXFIELD

Enable Moxfield deck search and import backend (reverse-engineered API)

MTG_MCP_ENABLE_SPICERACK

Enable Spicerack tournament results backend

MTG_MCP_ENABLE_MTGGOLDFISH

Enable MTGGoldfish metagame data backend (HTML scraping)

MCP quality score · maturity, not trust · methodology

freshness

completeness

installability

documentation

stability

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Install this server

Claude Desktop (uvx)

{
  "mcpServers": {
    "mtg-mcp-server": {
      "command": "uvx",
      "args": [
        "--",
        "mtg-mcp-server"
      ],
      "env": {
        "MTG_MCP_TRANSPORT": "stdio",
        "MTG_MCP_HTTP_PORT": "8000",
        "MTG_MCP_LOG_LEVEL": "INFO",
        "MTG_MCP_ENABLE_17LANDS": "true",
        "MTG_MCP_ENABLE_EDHREC": "true",
        "MTG_MCP_ENABLE_BULK_DATA": "true",
        "MTG_MCP_SCRYFALL_RATE_LIMIT_MS": "100",
        "MTG_MCP_BULK_DATA_REFRESH_HOURS": "12",
        "MTG_MCP_ENABLE_RULES": "true",
        "MTG_MCP_DISABLE_CACHE": "false",
        "MTG_MCP_ENABLE_MOXFIELD": "true",
        "MTG_MCP_ENABLE_SPICERACK": "true",
        "MTG_MCP_ENABLE_MTGGOLDFISH": "true"
      }
    }
  }
}

Verdict API

curl -s mcpindex.ai/api/v1/trust/server/io-github-j4th-mtg-mcp-server

Free-tier verdict as JSON: decision + dimensions + severity. Call it from your agent before it invokes a tool it just discovered.

Details

version: v3.0.0
category: Analytics
verdict expires: 2026-08-04
quality: 93 / 100
operator: j4th

Listing

Listed from the official MCP registry. Unclaimed by its maintainer. Maintainer? Email us →

Provenance

Each verdict is bound to a hash of the exact description it judged, so a re-crawl that changes the text produces a new record rather than silently inheriting this one. Verdict history is hash-chained and anchored to Bitcoin via OpenTimestamps (latest confirmed at block 960,209). Verify it yourself.

Links

Repository →Website →