predictDEX MCP Server

by dex Your server? Claim it

answering

predictDEX is answering right now. Last checked 7 min ago. It exposes 11 tools.

Live Polymarket odds, order books, fee-inclusive quotes and non-custodial prediction trading.

Uptime history 18 days of history · worst day 61%

18 days agonow

100.0%

Uptime 24h

92 of 92 checks

Tools

read from the server

171 ms

Response time

average over 24h

open, no key

Access

streamable-http

predictDEX does not always answer

Over the last week it answered 94.3% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 7 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add predictdex --transport http https://predict.dex.mk/mcp

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "predictdex": {
      "url": "https://predict.dex.mk/mcp"
    }
  }
}

~/.codex/config.toml

[mcp_servers.predictdex]
url = "https://predict.dex.mk/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "predictdex": {
      "url": "https://predict.dex.mk/mcp"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "predictdex": {
      "url": "https://predict.dex.mk/mcp"
    }
  }
}

Available tools 11

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

agent

get_agent_challenge

Returns the canonical 'predictDEX Agent Attestation v1' message for your address. Sign it with EIP-191 personal_sign within 10 minutes and pass it to attest_agent.

attest

attest_agent

Submit the signed attestation. Returns a 30-day agent token that unlocks gasless Polymarket account setup through predictDEX's signer for your address only. It grants no custody and no exemption from region rules.

event

get_event

Full event by slug: every market, outcome names and prices, token ids, tick size, min order size, rules summary, resolution source and status. Optionally include recent trades.

leaderboard

get_leaderboard

Top Polymarket traders by profit or volume over a window.

markets

search_markets

Find events and their markets with live odds. Filter by free-text query, category slug (see predict://categories), sort and status. Each event lists markets with outcomes, token ids, best bid/ask, tick size and a human URL.

orderbook

get_orderbook

Live order book for one outcome token: bids and asks (price 0-1, size in shares), spread, midpoint and last trade.

positions

get_positions

Open positions of a Polymarket trading account or its owner address: size, average price, current price, value and P&L.

price

get_price_history

Price (probability) history for one outcome token over a range.

quote

quote_order

Preview an order against the live book without placing it: average and worst price, shares, cost, payout if the outcome wins, Polymarket fee, predictDEX fee and warnings. Market BUY amount is USD to spend all-in; market SELL and limit amounts are shares.

trade

create_trade_link

A pre-filled predictDEX ticket URL (event, market, outcome, side, amount) for a person to review and sign in their own wallet. Opening it executes nothing. Use this when you have no wallet or need human confirmation.

trading

get_trading_setup

Everything an agent with its own wallet needs to trade: chain, collateral (pUSD), builder code, signer URL, attestation steps, fees and a ready-to-run TypeScript snippet using Polymarket's official SDK. Non-custodial: you sign with your own key.

Endpoints

URL	Transport	State	Latency	Checked
https://predict.dex.mk/mcp	streamable-http	answering	206 ms	7 min ago

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predictDEX — questions

Answers built from our own checks of this server.

What can predictDEX do?

It exposes 11 tools, read directly from the server on our last check. Among them: attest_agent, create_trade_link, get_agent_challenge, get_event, get_leaderboard, get_orderbook and 5 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is predictDEX working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 92 of 92 checks got a reply (100.0%), average response time 171 ms. The bar chart above shows every period we have measured.

How do I connect predictDEX?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does predictDEX need an API key?

No. predictDEX completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 11 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is predictDEX?

It answers our handshake in 171 ms on average, which is faster than 68% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.