Yahoo Fantasy MCP

Enables Claude to interact with Yahoo Fantasy Baseball and Basketball leagues, allowing roster analysis, matchup tracking, free agent browsing, and player stats retrieval via natural language.

→ andy78644/yahoo-fantasy-mcp · listed on glama

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// key findings

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

🔐

You'll be asked for 1 credential: YAHOO_CLIENT_SECRET

These are read from process.env at runtime. Make sure you trust where they’ll be sent.

// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

configYAHOO_CLIENT_ID— "": "your_client_id_here",

🔐 secretYAHOO_CLIENT_SECRET— "": "your_client_secret_here"

configYAHOO_AUTH_SERVER— "": "https://your-relay-url.com"

// full audit trail

The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.

// improvement guidance — verified publishers only

We have 4 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

// embed badge in your README

[![M8ven Score](https://m8ven.ai/badge/mcp/andy78644-yahoo-fantasy-mcp-1ikgu9)](https://m8ven.ai/mcp/andy78644-yahoo-fantasy-mcp-1ikgu9)

commit: 3fa2f925a7ee46fe94ea15a39f436c12690a7bc1

code hash: 3ef7988cd601fd5a6e84f1acef7a3761d8dcbe08a77d996a31fd9c40515a8f81

verified: 6/21/2026, 10:34:11 AM

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