predictDEX MCP MCP server

An official MCP server provided by predictDEX that allows AI agents to access live Polymarket prediction market data, including odds, order books, and price history. It also supports non-custodial trading capabilities, enabling agents to quote orders and execute trades using their own wallet keys without the platform holding funds.

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 predictDEX

MCP endpoint (Streamable HTTP)

https://predict.dex.mk/mcp

Vendor documentation

What you can do with it

Search and list live prediction markets by text or category
Retrieve live order books and price history for specific outcomes
Generate fee-inclusive quotes for buying or selling market shares
Execute non-custodial trades using agent-owned wallet keys

Tools advertised by the last live check:

search_markets
get_event
get_orderbook
get_price_history
quote_order
get_trading_setup
create_trade_link
get_positions
get_leaderboard
get_agent_challenge
attest_agent

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 predictdex-mcp https://predict.dex.mk/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 predictdex-mcp --url https://predict.dex.mk/mcp

Cursor

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

Cursor configuration

{
  "mcpServers": {
    "predictdex-mcp": {
      "url": "https://predict.dex.mk/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": {
    "predictdex-mcp": {
      "type": "streamableHttp",
      "url": "https://predict.dex.mk/mcp",
      "disabled": false
    }
  }
}

VS Code

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

VS Code configuration

{
  "servers": {
    "predictdex-mcp": {
      "type": "http",
      "url": "https://predict.dex.mk/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 predictdex-mcp https://predict.dex.mk/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": {
    "predictdex-mcp": {
      "url": "https://predict.dex.mk/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": {
    "predictdex-mcp": {
      "serverUrl": "https://predict.dex.mk/mcp"
    }
  }
}

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