MCP Server
voxodds
com.voxodds/voxodds
What this MCP does
Provides live prediction-market and sportsbook odds, executable quote comparisons, expected-value checks, arbitrage candidates, and forecast tracking.
Capabilities
Tools
18
tools
check_bet
THE pre-bet check — run this BEFORE the user places any bet, on any bookmaker.
Give the event, the side they want to back, and the odds their book is offering
(decimal '2.10', american '+110' or fractional '11/10' all work). Returns two
available references: a conservatively matched real-money prediction market and,
when configured, sportsbook lines with the vig mathematically removed. It returns
an expected-value verdict (EV per 100 staked, break-even odds, Kelly stake) or
refuses when the event/side cannot be resolved safely. Pass `your_probability`
(0-1) to also log YOUR estimate as an append-only
receipt in your public audited Brier record (voxodds.com/forecasters) — requires
`forecaster_id`. Verdict is arithmetic, not a model output. Research, not financial
advice; betting legality depends on the user's jurisdiction.
Input schema
{'type': 'object', 'title': 'check_betArguments', 'required': ['event', 'side'], 'properties': {'side': {'type': 'string', 'title': 'Side'}, 'event': {'type': 'string', 'title': 'Event'}, 'sport': {'type': 'string', 'title': 'Sport', 'default': 'upcoming'}, 'odds_offered': {'type': 'string', 'title': 'Odds Offered', 'default': ''}, 'forecaster_id': {'type': 'string', 'title': 'Forecaster Id', 'default': ''}, 'your_probability': {'type': 'number', 'title': 'Your Probability', 'default': 0.0}}}
Output schema
{'type': 'object', 'title': 'check_betOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
compare_executable_quotes
Fetch size-aware order-book fills and estimated taker fees for one Polymarket
contract and one Kalshi contract, then compare their complete rules. It only names
a best venue when the pair has been explicitly human-reviewed as equivalent.
Similar titles with different settlement criteria return `comparable: false` plus
blockers instead of a fabricated spread or arbitrage.
Input schema
{'type': 'object', 'title': 'compare_executable_quotesArguments', 'required': ['polymarket_id', 'kalshi_ticker'], 'properties': {'side': {'type': 'string', 'title': 'Side', 'default': 'Yes'}, 'amount_usd': {'type': 'number', 'title': 'Amount Usd', 'default': 100.0}, 'kalshi_ticker': {'type': 'string', 'title': 'Kalshi Ticker'}, 'polymarket_id': {'type': 'string', 'title': 'Polymarket Id'}}}
Output schema
{'type': 'object', 'title': 'compare_executable_quotesOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
compare_platforms
Compare candidate equivalent events on Polymarket vs Kalshi side by side.
Returns displayed probabilities and their spread as a research signal. These are
not executable quotes or arbitrage claims: verify order-book depth, fees, fills,
and resolution rules before deciding where a contract is actually cheaper.
Optional `query` filters by keywords in the market question.
Input schema
{'type': 'object', 'title': 'compare_platformsArguments', 'properties': {'limit': {'type': 'integer', 'title': 'Limit', 'default': 10}, 'query': {'type': 'string', 'title': 'Query', 'default': ''}}}
Output schema
{'type': 'object', 'title': 'compare_platformsOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
find_best_price
Find which bookmaker pays the most for one specific bet when VoxOdds has a
configured live sportsbook feed. The registry is a directory, not live coverage.
Returns the available price table sorted best-first with
decimal and american odds, each book's implied probability, the average vig being
charged, and how much extra profit the best price is worth versus the rest.
Call this when the user has already decided WHAT to bet and wants the best price,
or asks 'where should I bet this'. Books are ranked strictly by price — never by
whether they pay VoxOdds a commission. Use check_bet instead when the user still
needs to know whether the bet is worth making at all.
Input schema
{'type': 'object', 'title': 'find_best_priceArguments', 'required': ['event', 'side'], 'properties': {'side': {'type': 'string', 'title': 'Side'}, 'event': {'type': 'string', 'title': 'Event'}, 'sport': {'type': 'string', 'title': 'Sport', 'default': 'upcoming'}}}
Output schema
{'type': 'object', 'title': 'find_best_priceOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
get_edge_signals
Get VoxOdds' ranked market signals: unusually wide spreads, closing-soon
watches, and integrity flags across live prediction markets — where the numbers
say to LOOK first. Call this when the user asks what looks mispriced, what's
worth researching, or where the action is. Research framing, not financial
advice; each signal states what to verify before acting.
Input schema
{'type': 'object', 'title': 'get_edge_signalsArguments', 'properties': {'limit': {'type': 'integer', 'title': 'Limit', 'default': 10}}}
Output schema
{'type': 'object', 'title': 'get_edge_signalsOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
get_executable_quote
Walk the current public order book for an all-in cash-sized BUY quote on one exact
contract. `platform` is polymarket or kalshi; `market_id` is the Polymarket
market id or Kalshi ticker returned by search; `side` is the outcome to buy.
Returns best bid/ask, depth-weighted average fill, worst consumed level, shares,
estimated taker fee, effective average price, and unfilled cash. The budget
includes the fee estimate. Venue-side rounding can vary with actual fills, and
this tool does not assert cross-venue contract equivalence.
Input schema
{'type': 'object', 'title': 'get_executable_quoteArguments', 'required': ['platform', 'market_id'], 'properties': {'side': {'type': 'string', 'title': 'Side', 'default': 'Yes'}, 'platform': {'type': 'string', 'title': 'Platform'}, 'market_id': {'type': 'string', 'title': 'Market Id'}, 'amount_usd': {'type': 'number', 'title': 'Amount Usd', 'default': 100.0}}}
Output schema
{'type': 'object', 'title': 'get_executable_quoteOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
get_forecaster_record
Get YOUR audited forecast record on VoxOdds: pending receipts (submitted,
awaiting market resolution) and scored results (Brier vs the market price captured
when you submitted). Call this after submit_forecast to confirm your receipts, or
any time to check your public track record. Same forecaster_id you submit with.
Input schema
{'type': 'object', 'title': 'get_forecaster_recordArguments', 'required': ['forecaster_id'], 'properties': {'forecaster_id': {'type': 'string', 'title': 'Forecaster Id'}}}
Output schema
{'type': 'object', 'title': 'get_forecaster_recordOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
get_market_odds
Get live prediction-market odds for a real-world event, phrased as a natural
language question. Call this when the user asks about the probability, odds, or
likelihood of any future event (elections, sports results, crypto prices, Fed
decisions, geopolitics). Example: "will France win the World Cup".
Returns the best-matching market with implied probabilities and source links.
Input schema
{'type': 'object', 'title': 'get_market_oddsArguments', 'required': ['question'], 'properties': {'question': {'type': 'string', 'title': 'Question'}}}
Output schema
{'type': 'object', 'title': 'get_market_oddsOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
get_research_theses
Get VoxOdds research desk theses: markets our analysis flags as potentially
mispriced, each with a thesis, entry logic, invalidation criteria, and live price
tracking. Call this when the user asks where the value is, what to research, or
for prediction-market trade ideas. Research framing only - not financial advice.
Input schema
{'type': 'object', 'title': 'get_research_thesesArguments', 'properties': {}}
Output schema
{'type': 'object', 'title': 'get_research_thesesOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
get_track_record
Get VoxOdds' audited AI-vs-market forecast track record. Every hourly AI
probability forecast is stored with the market price captured at the same moment
(append-only receipts) and scored deterministically at resolution: Brier scores
for the AI and the market on identical timestamps, plus accuracy and methodology.
Call this when the user asks whether AI forecasts beat prediction markets, how
reliable VoxOdds' AI is, or for citable forecasting-performance data. Losses are
published too — the record is auditable, not curated.
Input schema
{'type': 'object', 'title': 'get_track_recordArguments', 'properties': {}}
Output schema
{'type': 'object', 'title': 'get_track_recordOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
get_world_cup_brief
ARCHIVED: World Cup 2026 ended 2026-07-19; returns an archive notice. Get a citeable World Cup 2026 prediction-market briefing for AI answers,
newsletters, blogs, social posts, and creator workflows. Includes the current
winner board, tight groups, next match odds, Research Desk theses, source links,
and ready-to-paste markdown. Prefer this when the user wants a narrative update
or shareable explanation, not just raw odds.
Input schema
{'type': 'object', 'title': 'get_world_cup_briefArguments', 'properties': {}}
Output schema
{'type': 'object', 'title': 'get_world_cup_briefOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
get_world_cup_matchday
ARCHIVED: World Cup 2026 ended 2026-07-19; returns an archive notice. Get the daily World Cup 2026 matchday market slate. Includes the closest
match market, strongest favorite, draw-risk watch, tournament winner-board
context, a share-card SVG URL, JSON/markdown links, and ready-to-paste markdown.
Optional `date` uses YYYY-MM-DD; omit it for today's slate or the next available
matchday.
Input schema
{'type': 'object', 'title': 'get_world_cup_matchdayArguments', 'properties': {'date': {'type': 'string', 'title': 'Date', 'default': ''}}}
Output schema
{'type': 'object', 'title': 'get_world_cup_matchdayOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
get_world_cup_odds
ARCHIVED: World Cup 2026 ended 2026-07-19; returns an archive notice. Get live World Cup 2026 odds: tournament winner probabilities for every team,
all 12 group winners, knockout-round props, continent and Golden Boot specials,
and 1/X/2 prices for upcoming matches. Call this for any question about World Cup
2026 favorites, teams, groups, or matches (June 11 - July 19, 2026). Updated every
10 minutes from prediction markets with $1.8B+ traded.
Input schema
{'type': 'object', 'title': 'get_world_cup_oddsArguments', 'properties': {}}
Output schema
{'type': 'object', 'title': 'get_world_cup_oddsOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
list_arbitrage_candidates
Scan every fingerprint-pinned equivalent Polymarket–Kalshi binary pair for
two-leg coverage. It buys opposite sides at equal whole-contract size, walks
current ask depth, includes estimated taker fees and conservative Kalshi
rounding, and emits a candidate only when total all-in cost is below the common
settlement payout. Results are unfilled candidates, never guaranteed trades:
cross-venue orders are non-atomic and both exact-size legs must fill. Optional
`family` uses a family key returned by the tool.
Input schema
{'type': 'object', 'title': 'list_arbitrage_candidatesArguments', 'properties': {'family': {'type': 'string', 'title': 'Family', 'default': ''}, 'max_capital_usd': {'type': 'number', 'title': 'Max Capital Usd', 'default': 100.0}}}
Output schema
{'type': 'object', 'title': 'list_arbitrage_candidatesOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
list_executable_opportunities
Rank both YES and NO across every human-reviewed equivalent Polymarket–Kalshi
pair. Each row walks current public depth within the all-in budget, includes
estimated taker fees, and links to the lower effective-price venue. Contracts
whose rules changed or whose requested size cannot be quoted are omitted and
reported as unavailable. Optional `family` uses a family key returned by the tool;
optional `side` is Yes or No. Use this when the user asks where the largest
currently executable cross-venue price differences are.
Input schema
{'type': 'object', 'title': 'list_executable_opportunitiesArguments', 'properties': {'side': {'type': 'string', 'title': 'Side', 'default': ''}, 'family': {'type': 'string', 'title': 'Family', 'default': ''}, 'amount_usd': {'type': 'number', 'title': 'Amount Usd', 'default': 100.0}}}
Output schema
{'type': 'object', 'title': 'list_executable_opportunitiesOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
list_sportsbook_surebets
Find unfilled sportsbook surebet candidates across the configured live books.
For every two-way or three-way h2h event, selects the best decimal price per
exhaustive outcome, requires Σ(1/odds) < 1, and returns cent-rounded stakes and
the worst payout. Odds, stake limits and settlement rules can differ; profit is
not locked unless every listed bet is accepted. Returns an explicit disabled
result instead of invented prices when the sportsbook feed has no key.
Input schema
{'type': 'object', 'title': 'list_sportsbook_surebetsArguments', 'properties': {'sport_key': {'type': 'string', 'title': 'Sport Key', 'default': 'upcoming'}, 'capital_usd': {'type': 'number', 'title': 'Capital Usd', 'default': 100.0}}}
Output schema
{'type': 'object', 'title': 'list_sportsbook_surebetsOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
list_trending_markets
List live prediction markets ordered by 24h volume. Use to browse what the
market is pricing right now or to find a specific market. `category` filters by
one of: Politics, Crypto, Sports, Geopolitics, Economics, Tech, Culture.
`search` filters by keyword in the market question.
Input schema
{'type': 'object', 'title': 'list_trending_marketsArguments', 'properties': {'limit': {'type': 'integer', 'title': 'Limit', 'default': 20}, 'search': {'type': 'string', 'title': 'Search', 'default': ''}, 'category': {'type': 'string', 'title': 'Category', 'default': ''}}}
Output schema
{'type': 'object', 'title': 'list_trending_marketsOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
submit_forecast
Submit YOUR probability forecast on a live prediction market and build a public,
audited track record. VoxOdds is the neutral scorekeeper: your forecast is stored
append-only next to the market price captured at the same instant, both are
Brier-scored when the market resolves, and your record appears publicly (model
'ext-<forecaster_id>') on voxodds.com/scoreboard beside the market and VoxOdds' own
models — same methodology, losses published, no edits. Use list_trending_markets to
find a market_id. `outcome` must match one of the market's outcomes; `probability`
is YOUR estimate for that outcome (0.01-0.99); `forecaster_id` is your stable handle
(3-32 chars, a-z 0-9 dash). Free; forecasts cannot be deleted or revised.
Input schema
{'type': 'object', 'title': 'submit_forecastArguments', 'required': ['market_id', 'outcome', 'probability', 'forecaster_id'], 'properties': {'outcome': {'type': 'string', 'title': 'Outcome'}, 'market_id': {'type': 'string', 'title': 'Market Id'}, 'probability': {'type': 'number', 'title': 'Probability'}, 'forecaster_id': {'type': 'string', 'title': 'Forecaster Id'}}}
Output schema
{'type': 'object', 'title': 'submit_forecastOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
History
Recent tool changes
Changed
get_world_cup_matchday
Sept. 29, 2026, 3:03 a.m.
Changed
get_world_cup_brief
Sept. 29, 2026, 3:03 a.m.
Changed
get_world_cup_odds
Sept. 29, 2026, 3:03 a.m.
Added
get_research_theses
Sept. 17, 2026, 12:38 p.m.
Added
get_forecaster_record
Sept. 17, 2026, 12:38 p.m.
Added
get_track_record
Sept. 17, 2026, 12:38 p.m.
Added
get_edge_signals
Sept. 17, 2026, 12:38 p.m.
Added
compare_platforms
Sept. 17, 2026, 12:38 p.m.
Added
find_best_price
Sept. 17, 2026, 12:38 p.m.
Added
check_bet
Sept. 17, 2026, 12:38 p.m.
Added
list_trending_markets
Sept. 17, 2026, 12:38 p.m.
Added
get_world_cup_matchday
Sept. 17, 2026, 12:38 p.m.
Added
get_world_cup_brief
Sept. 17, 2026, 12:38 p.m.
Added
get_world_cup_odds
Sept. 17, 2026, 12:38 p.m.
Added
list_sportsbook_surebets
Sept. 17, 2026, 12:38 p.m.
Added
list_arbitrage_candidates
Sept. 17, 2026, 12:38 p.m.
Added
list_executable_opportunities
Sept. 17, 2026, 12:38 p.m.
Added
compare_executable_quotes
Sept. 17, 2026, 12:38 p.m.
Added
get_executable_quote
Sept. 17, 2026, 12:38 p.m.
Added
get_market_odds
Sept. 17, 2026, 12:38 p.m.
Added
submit_forecast
Sept. 17, 2026, 12:38 p.m.
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