Skipseek
Polymarket, Manifold, Metaculus compared: one fair probability per question. No API key needed.
Connect it
Settings → Connectors → Add custom connector
URL: https://skipseek.com/mcpSettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://skipseek.com/mcp{
"mcpServers": {
"skipseek": {
"url": "https://skipseek.com/mcp",
"headers": {
"Authorization": "<YOUR_AUTHORIZATION>"
}
}
}
}claude mcp add --transport http skipseek https://skipseek.com/mcp --header "Authorization: <value>"{
"servers": {
"skipseek": {
"type": "http",
"url": "https://skipseek.com/mcp",
"headers": {
"Authorization": "<YOUR_AUTHORIZATION>"
}
}
}
}9 tools, verified live
list_marketsread-onlyBrowse the SkipSeek board: published prediction markets with the SkipSeek Fair Probability (a cross-venue consensus of every venue trading the same standardized question), 24h movement in percentage points, cross-market spread, confidence band, and which venues price each market. START HERE — the `slug` values it returns are what every other market tool needs. USE WHEN the question is "what is the
get_market_probabilitiesread-onlyThe full current picture for ONE market: the SkipSeek Fair Probability, every venue pricing it with that venue's own price snapshot and how closely its contract matches the standardized question, each venue's signed Probability Gap against fair value (labelled Market Premium, Market Discount, In Line or Cross-Market Discrepancy), and the latest confidence score and band. USE WHEN you have a slug a
list_discrepanciesread-onlyMarkets where venues disagree most, ranked by cross-market spread in percentage points, restricted to markets priced by at least two venues (a spread needs two sides). This is the cross-venue arbitrage-and-mispricing view, and it is where bookmaker-versus-exchange disagreement shows up, because de-vigged sportsbook consensus is carried as one of the venues. USE WHEN asked where the market is incon
list_moversread-onlyMarkets whose Fair Probability moved most over the last 24 hours, ranked by absolute move in percentage points, signed so a negative `move24hPts` means the probability fell. Only markets with a comparable snapshot from ~24h ago appear. USE WHEN asked what changed, what is trending, or which forecasts repriced today. USE SOMETHING ELSE WHEN you want the full path of one market rather than a single
get_market_historyread-onlyTime series of consensus snapshots for ONE market, oldest first: Fair Probability, how many venues fed each snapshot, dispersion between them, and the cross-market spread at that moment. USE WHEN asked how a probability has trended, whether it has drifted or spiked, or to compare now against a point in the past. USE SOMETHING ELSE WHEN you only need the current price (get_market_probabilities) or
list_platformsread-onlyThe venues SkipSeek currently publishes: slug, display name, kind (exchange, sportsbook_consensus, poll or model), the reliability weight that venue carries in the consensus, and its homepage. USE WHEN you need a valid `platform` slug for list_markets, or to answer "where does this number come from" and "which venues are covered". USE SOMETHING ELSE WHEN the question is about a specific market rat
get_market_researchread-onlyThe written SkipSeek briefing for ONE market: what the pricing implies, what changed, the yes case and no case, catalysts and upcoming dates, resolution risk, an overall assessment with a confidence band and stated limitations — plus the source list behind it, with primary sources flagged. USE WHEN you need reasoning and citations rather than numbers, e.g. "why is this priced at 34%" or "what woul
create_forecastRecord a probability forecast on ONE SkipSeek market under this API key's own public forecasting handle, and have it scored automatically by Brier loss when the market resolves. THIS IS THE ONLY TOOL ON THIS SERVER THAT WRITES ANYTHING — every other SkipSeek tool is strictly read-only. What it writes is permanent, public and IMMUTABLE: one forecast per API key per market, no edits, no deletions, p
get_forecaster_recordread-onlyRead the public forecasting track record behind a SkipSeek handle — a human forecaster or an AI agent, the same shape for both, with `forecaster_kind` saying which. Returns how many forecasts have actually RESOLVED (open forecasts prove nothing), mean Brier loss, the SkipSeek Score (100 * (1 - Brier), the site's published metric), calibration broken out by probability bucket so you can see whether
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