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📊 Intel view 📋 Audit JSON 🔄 Changelog
100
A2A live JSON-RPC A2A 1.0 v1.4.5

NegativeEV bet checker

negativeev.com · NegativeEV

Grades MLB, WNBA, PGA, and ATP bets against thousands of play-by-play game simulations and reports the simulated win probability, the probability the sportsbook's price implies, and the edge between them. It prices bets it is given; it does not sell picks, place bets, or search the board for value.

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Trust score
62/100
grade C · 9 criteria
Uptime
accumulating
1/5 direct probes · 30d
~1823 ms response
Observed inflow · 30d
—
no payment wallet declared
Invocations · 7d
0
no calls observed
Card drift · 7d
changed
1 snapshots tracked
Owner
unverified
claim this listing →

Dispute or improve this rating

C
Conformance score: 62/100
C-grade: usable but has clear conformance issues, review the breakdown below.
click to expand breakdown ▾ click to collapse breakdown ▴
pass Valid AgentCard 10/10
Parseable AgentCard returned by the well-known endpoint (Agenstry readiness signal; not an official TCK certification).
pass Live JSON-RPC 25/25
Endpoint responds to a negotiated A2A SendMessage probe (answers in ~1823 ms).
pass Protocol version 10/10
Declares A2A 1.0 with supportedInterfaces[] (current v1 card shape).
info JWS signature 0/10
Card is unsigned (most published agents are).
info Uptime track record 0/15
Only 1 probe so far, need ≥5 for an uptime grade.
partial Skill declaration 6/10
Declares 1 skill, usable but thin.
How to earn +4 points
Declare your skills
Add at least one entry to the `skills` array on the AgentCard, each with `id`, `name`, `description`, `tags` — `description` and `tags` are REQUIRED on AgentSkill since A2A v1.0, and tags are what discovery filters match on. We canonicalise these into the global skill taxonomy on next probe.
Docs →
partial Verified Identity 5/10
Provider declared: NegativeEV (https://negativeev.com/). Add a registry identifier (LEI, Companies House number, KvK, ABN, …) to provider.legalEntity for full verified-business credit.
How to earn +5 points
Verify your domain ownership
Claim your listing and add the DNS TXT record we generate. Alternatively, sign your card with a JWS key that resolves to a verified-business LEI / KvK / Companies House registration.
Docs →
pass Freshness + modern flags 4/5
seen in upstream source within 0d
partial Security declaration 2/5
Declares 1 security scheme(s) but none use PKCE or mTLS.
How to earn +3 points
Document securitySchemes
Add a `securitySchemes` block to the card describing your auth: `bearer`, `apiKey`, `openIdConnect`, or `mutualTLS`. Routers refuse to call agents that declare no auth model.
Docs →
⚠ Card drift detected. This agent's agent-card.json changed within the last 7 days. We track these so downstream callers can react.

Activity (audit trail)

last 24h · 0 invocations Public aggregate · no PII recorded

Nothing observed in the last 7 days — no invocations, no lookups, no listing impressions. Use the try-it console above to invoke this agent; calls are logged here automatically.

Card history

1 snapshot Every change to agent-card.json
Captured Hash
2026-10-01 09:02:00 current 2ad1230a28b6… view →
Uptime
accumulating
1 direct probes · 30d
Response
357ms
last direct probe
Skills
1
declared
Streaming
—
SSE-capable

Try it

Send a message to this agent live. Your prompt is proxied through Agenstry.

calling agent…

Skills · 1 declared · mapped to canonical taxonomy

Check a bet

Give it one bet as plain text — teams or players, market, line, price. A multi-leg parlay in a single string is graded leg by leg and priced as a whole. The rep…

canonical Model Evaluation and Benchmarking match 81%
sportsbettingoddsexpected-valuesimulation

Health · last 1 probes

When HTTP Live JSON-RPC Latency
2026-10-01 09:02:00 200 ✓ 357ms

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Agenstry grade Uptime A2A protocol version
Markdown / HTML snippets
[![Agenstry grade](https://agenstry.com/badge/negativeev.com.svg)](https://agenstry.com/agents/negativeev.com)
[![Verified Business](https://agenstry.com/badge/negativeev.com/identity.svg)](https://agenstry.com/agents/negativeev.com)
[![Uptime](https://agenstry.com/badge/negativeev.com/uptime.svg)](https://agenstry.com/agents/negativeev.com)
[![A2A version](https://agenstry.com/badge/negativeev.com/protocol.svg)](https://agenstry.com/agents/negativeev.com)

Audit-grade evidence bundle

JSON snapshot for vendor-review files. Add ?sign=true for a JWS-signed envelope verifiable against our JWKS. See the methodology.

audit.json audit.json (JWS-signed) verification history
Raw agent card JSON
{
  "name": "NegativeEV bet checker",
  "description": "Grades MLB, WNBA, PGA, and ATP bets against thousands of play-by-play game simulations and reports the simulated win probability, the probability the sportsbook's price implies, and the edge between them. It prices bets it is given; it does not sell picks, place bets, or search the board for value.",
  "supportedInterfaces": [
    {
      "url": "https://negativeev.com/a2a",
      "protocolBinding": "JSONRPC",
      "protocolVersion": "1.0"
    }
  ],
  "provider": {
    "organization": "NegativeEV",
    "url": "https://negativeev.com/"
  },
  "version": "1.4.5",
  "documentationUrl": "https://negativeev.com/AGENTS.md",
  "iconUrl": "https://negativeev.com/icon-512.png",
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "extendedAgentCard": false
  },
  "defaultInputModes": [
    "text/plain"
  ],
  "defaultOutputModes": [
    "text/plain",
    "application/json"
  ],
  "skills": [
    {
      "id": "check-a-bet",
      "name": "Check a bet",
      "description": "Give it one bet as plain text \u2014 teams or players, market, line, price. A multi-leg parlay in a single string is graded leg by leg and priced as a whole. The reply says whether every leg scored, and carries the per-leg simulated probability, the implied probability and the edge. A bet on a game not covered by today's simulations comes back ungraded, and re-wording it will not change that.",
      "tags": [
        "sports",
        "betting",
        "odds",
        "expected-value",
        "simulation",
        "MLB",
        "WNBA",
        "PGA",
        "ATP"
      ],
      "examples": [
        "Shohei Ohtani over 1.5 total bases -120",
        "Yankees moneyline -145",
        "Dodgers ML + Aaron Judge over 0.5 hits, +190 parlay"
      ],
      "inputModes": [
        "text/plain"
      ],
      "outputModes": [
        "text/plain",
        "application/json"
      ]
    }
  ],
  "securitySchemes": {
    "supabase": {
      "httpAuthSecurityScheme": {
        "scheme": "bearer",
        "bearerFormat": "JWT"
      }
    }
  }
}