NegativeEV MCP MCP server

An official MCP server provided by NegativeEV that allows AI agents to grade sports bets against thousands of play-by-play simulations. It supports MLB, WNBA, PGA, and ATP markets, helping agents determine if betting prices are good, bad, or fair based on simulated outcome distributions.

Endpoint and access

No sign-in: your client connects and lists tools immediately, with no account or key.

No sign-inEndpoint checked 2026-10-05Operated by NegativeEV

MCP endpoint (Streamable HTTP)

https://negativeev.com/mcp

Vendor documentation

What you can do with it

Grade MLB, WNBA, PGA, or ATP bets against simulations
Determine if a sportsbook price is good, bad, or fair
Check player props like hits, home runs, and strikeouts
Analyze parlay value using simulated outcome distributions

Tools advertised by the last live check:

check_bet
get_slate
get_usage

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers a Streamable HTTP server. Use --scope project to write .mcp.json for the repo.

Claude Code configuration

claude mcp add --transport http negativeev-mcp https://negativeev.com/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).

Codex configuration

codex mcp add negativeev-mcp --url https://negativeev.com/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable negativeev-mcp in your MCP settings.

Cursor configuration

{
  "mcpServers": {
    "negativeev-mcp": {
      "url": "https://negativeev.com/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure). The type must be streamableHttp for a remote HTTP server.

Cline configuration

{
  "mcpServers": {
    "negativeev-mcp": {
      "type": "streamableHttp",
      "url": "https://negativeev.com/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start negativeev-mcp and inspect its tools.

VS Code configuration

{
  "servers": {
    "negativeev-mcp": {
      "type": "http",
      "url": "https://negativeev.com/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.

Gemini CLI configuration

gemini mcp add --transport http negativeev-mcp https://negativeev.com/mcp

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.

Claude Desktop configuration

{
  "mcpServers": {
    "negativeev-mcp": {
      "url": "https://negativeev.com/mcp"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.

Windsurf configuration

{
  "mcpServers": {
    "negativeev-mcp": {
      "serverUrl": "https://negativeev.com/mcp"
    }
  }
}

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