What is Predictions MCP?
What is Predictions MCP?
Predictions MCP is an MCP server by Gina that lets you search, analyze, and trade on prediction markets (Polymarket) directly from any MCP-compatible client like Cursor, Claude Code, Codex, or Windsurf.
Which MCP clients are supported?
Which MCP clients are supported?
Any client that supports MCP over streamable HTTP:
- Claude Code — via
claude mcp add - Codex — via
bunx add-mcpor.codex/config.toml - Cursor — via Settings → MCP or
.cursor/mcp.json - Windsurf — via Settings → MCP
- OpenCode — via
opencode mcp add - Any client supporting the generic JSON MCP config format
Why does a browser window open?
Why does a browser window open?
That’s the OAuth sign-in flow. You need to sign in to Gina and approve access for your MCP client. This only happens once per session. After signing in, return to your client and retry
tools/list.Do I need to copy-paste a token?
Do I need to copy-paste a token?
No. Authentication happens automatically through OAuth in your browser. Your MCP client handles the token exchange.
What can I do with it?
What can I do with it?
- Search prediction markets (sports, politics, crypto, entertainment)
- Get trending/popular markets
- View market details, odds, and volume
- Execute trades on Polymarket
- Track your open positions and P&L
Is it safe?
Is it safe?
Yes. The
bash tool runs in a sandboxed workspace:- Read-only commands (search, list, trending) have no side effects
- Trading actions require explicit confirmation for large orders
- You can start with read-only operations and only opt into trading when ready
Is it free?
Is it free?
Every user gets a quota of free AI credits to start experimenting. Once you get to advanced usage, you can use the crypto in your Gina wallet to top up credits.
Where do I report issues?
Where do I report issues?
Start with Troubleshooting. If you’re still stuck, reach out on Twitter/X.