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Connect Grok to Kalshi and Polymarket

Quick Answer

to give Grok live Kalshi and Polymarket prices, open grok.com/connectors, choose New Connector → Custom and paste https://predictionmarketspicks.com/api/mcp/mcp?via=site-grok. No API key and no account: 38 of the 45 PredictionMarketsPicks tools answer immediately. Start each prompt with "Prediction Markets Picks:" so Grok uses the connector.

Server URL — paste this into Grok
https://predictionmarketspicks.com/api/mcp/mcp?via=site-grok

Right now

As of 10:11 PM ET · refreshes hourly

Set it up in three steps

  1. Open grok.com/connectors and choose New Connector, then Custom.
  2. Paste https://predictionmarketspicks.com/api/mcp/mcp?via=site-grok as the server URL. Leave authentication empty and save.
  3. Start a new chat and begin your prompt with "Prediction Markets Picks:" — naming the connector is what makes Grok reach for it.

Six prompts to paste into Grok

Copy one, paste it into a new Grok chat, and swap in your own team or player.

Prediction Markets Picks: where is Kalshi cheaper than DraftKings and FanDuel on this week’s NFL props?

What you get back: The strikes where Kalshi’s price sits furthest from the books’ consensus, player by player, with both numbers side by side.

Prediction Markets Picks: run nfl_edge for this week — the full board.

What you get back: Every NFL game this week as market price vs the DAEPA model, with the edge in points and the publish gate state — the full Pro board, because Grok callers are answered as Pro.

Prediction Markets Picks: who is out in the NBA tonight and who benefits?

What you get back: Today’s absences from the official injury report and the teammates whose minutes, points, rebounds, assists and usage rose without them, sample size on every row, beside tonight’s Kalshi prop prices.

Prediction Markets Picks: nhl_edge for tonight.

What you get back: Tonight’s board as Market · Model · Fair per contract, starting goalies checked first; the model publishes at 10:45 AM ET.

Prediction Markets Picks: what’s moving on the 15-minute gold and Bitcoin boards?

What you get back: Every open 15-minute Kalshi window for gold and Bitcoin: the YES price, the target it settles against, the close time and how often it has settled up.

Prediction Markets Picks: odds of a Fed hike at the next meeting, Kalshi vs Polymarket.

What you get back: The next FOMC meeting’s outcomes on Kalshi, checked against Polymarket and CME futures, with the gap in percentage points.

Grok and prediction markets — frequently asked

Can Grok see Kalshi prices on its own?

No. Out of the box Grok has no feed of Kalshi or Polymarket order books, so a question about a live price gets a guess or a search result. A connector fixes that: add https://predictionmarketspicks.com/api/mcp/mcp?via=site-grok at grok.com/connectors and Grok calls our tools for the current price instead.

How do I connect Grok to Polymarket data?

The same connector covers both venues. Paste https://predictionmarketspicks.com/api/mcp/mcp?via=site-grok into grok.com/connectors → New Connector → Custom. Tools that compare venues, like the Fed odds and the Kalshi vs Polymarket price gaps, return Kalshi and Polymarket side by side and label which Polymarket book the price came from.

What can Grok answer about prediction markets once it is connected?

38 of the 45 tools answer with no key: NFL prop prices by venue, NBA game lines, props and injury impact, the NHL Goal Light board, Kalshi high-temperature strikes in 13 cities, player strike ladders, win probability, Fed odds, the 2026 Senate map, the 15-minute commodity boards, perpetual futures, and calculators for expected value, Kelly sizing and Bayesian updates. The Pro tools add the model’s edge calls and live mispricing scans.

Which prompt should I try first in Grok?

Start with the NFL prop gaps prompt above. It is the fastest way to see the connector working, because the answer is a list of real prices no search engine has. Begin every prompt with "Prediction Markets Picks:" so Grok uses the connector rather than its own guess.

Using Claude, ChatGPT or Cursor instead? Same URL — setup for every host → · what every tool returns →