Mmcp.market

NegativeEV bet checker MCP server

by negativeev.com·com.negativeev/bet-checker·v1.4.5

Grade any MLB, WNBA, PGA or ATP bet against thousands of play-by-play sims. No key, no signup.

A89/100grade A
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A89/100

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If you have run it, two minutes of your experience saves the next person an afternoon.

NegativeEV bet checker tools (3)

write = sends, deletes, buys or posts
  • check_betFree

    Check a specific sports bet against thousands of play-by-play game simulations: each leg's simulated probability, the sportsbook's implied probability, and the edge. Send the bet as plain text - teams or players, market, line, odds. A parlay in one string is graded leg by leg and priced as a whole. Call this first; nothing has to be set up, and a missing slate, an unrecognized bet, or an unsupported market comes back as a plain `status` without spending a check. It prices a bet the caller names and never suggests one, so there is nothing to send for "what should I bet tonight". Every result leads with `status` and `check_spent` and says whether re-wording would change anything; when it says no, it means no. Covers MLB, WNBA, PGA, and ATP. A game that already started still checks, against the simulations from before it began.

  • get_slateFree

    Which of MLB, WNBA, PGA, and ATP have a checkable slate right now - at least one simulated game that has not started. Pass `sport` for one; omit it for all. Free, spends no check. It is not required before `check_bet`, which reports a missing slate itself at no cost. Call it to answer "what can be checked today", or after a `no_slate` or `ungraded` result, which mean the game is not on the simulated slate rather than that the bet was worded wrong.

  • get_usageFree

    How many bet checks the caller has left and when the next one frees up - 100 a day shared per device anonymously, 1000 an hour with a signed-in user's token. Free, spends no check. It grades nothing, so it is not a step before a check: call it when a check comes back refused for quota, or before working through a long list of bets.

Public scan report

scanner v0.1.9 · 2026-09-20 · same rubric, same numbers if you re-run it

no findings
  • Code scanremote-only server, no package to scann/a
  • Live reliabilityremote reachable in 1278ms20/20
  • Tool poisoning3 tool descriptions checked15/15
  • Auth qualityopen endpoint, read-only tools10/15
  • Maintenancelast push 21 days ago15/15
  • Maintainer identitynamespace and repository owner differ; GitHub account older than a year; website matches verified namespace7/10
Overall 89/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

Install directly

claude mcp add --transport http bet-checker https://negativeev.com/mcp
Add to Cursor

NegativeEV bet checker: common questions

Is NegativeEV bet checker MCP server safe?
Yes, by our scan: it is graded A (89/100). Read the NegativeEV bet checker safety report
How do I install NegativeEV bet checker?
It runs remotely at negativeev.com. Add it to Claude Code, Claude Desktop or Cursor with the snippets above, or call it through the mcp.market gateway without installing anything.
Does NegativeEV bet checker need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is NegativeEV bet checker maintained?
The last commit was 21 days ago (2026-08-30). The latest release is v1.4.5.
Is NegativeEV bet checker up?
100% of our last 6 checks got an answer. We check remote servers about four times a day.

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