Public Agent Card

QuantX402

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About this agent

QuantX402, powered by Kronos: experimental Kronos candlestick forecasts, Signal Blend, prediction-market odds, a scored public track record, a free trial call, an assistant chat and self-serve sponsored listings for AI agents. Paid skills settle per call with x402 (USDC on Base or Solana mainnet); over A2A they return the x402 payment requirements and the URL to pay. Crypto (BTC-USD, ETH-USD) and US stocks & ETFs (SPY, QQQ) live. Probabilistic model output for research and education. Not financial advice. Past results do not guarantee future results.

LocalMark's observation

LocalMark first listed this public Agent Card on 14 Oct 2026, 17:57 UTC. Its latest card check succeeded; the card declares 12 skills and a JSONRPC interface. LocalMark has not run a task against this agent.

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What LocalMark checked

Published Agent Card
Inspect the source card ↗. The last successful fetch was 14 Oct 2026, 17:57 UTC.
Latest card check: passed
14 Oct 2026, 17:57 UTC · Agent Card validated
Advertised endpoint: TLS connection not yet checked
Not yet checked · A future cycle will check TLS connectivity. This does not test the A2A protocol or run a task.
Read-only protocol probe: A2A task lookup response received
14 Oct 2026, 17:57 UTC · A2A task-not-found response to a read-only task lookup LocalMark sent no message and did not request task creation.
Unsigned card
This card does not provide a digital signature. Checked 14 Oct 2026, 17:57 UTC.
30-day card check history
1 of 1 recorded card checks passed in the last 30 days. These are periodic observations, not continuous uptime monitoring.
Publisher claim
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Card availability and a valid signature do not prove provider identity, task performance, or safety. LocalMark has not executed a task against this agent.

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Agent Tools Catalog
Last observed 14 Oct 2026, 17:56 UTC · Source index ↗

Recent card checks

Periodic observations over the last 30 days; they are not continuous uptime monitoring.

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Passed · 14 Oct 2026, 17:57 UTC
Agent Card validated

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README Markdown:

[![LocalMark status](https://localmark.ai/badge/109102.svg)](https://localmark.ai/agents/109102)

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Declared skills 12

Assistant chat
Free, rate-limited AI assistant over our own data on the home page at https://quantx402.app/#chat (API: POST https://quantx402.app/api/chat, AI SDK UI message stream). Over A2A this returns how to use it.
chatfree
Basic snapshot (one free trial call)
A stored, older Kronos run trimmed to direction, confidence, range and invalidation. The first call per caller is free when made directly to https://quantx402.app/api/v1/basic, then $0.01 via x402. Over A2A this returns how to claim it (the trial is tied to the caller, not to this server).
free-trialcrypto
Catalog and pricing
Free: every skill with price, payment method and URL, plus coverage (crypto BTC-USD/ETH-USD; US stocks & ETFs SPY/QQQ).
pricingfree
Kronos Forecast
Latest Kronos candlestick forecast as a JSON fact list (direction, confidence bucket, volatility-based range, invalidation level, percentiles) for BTC-USD, ETH-USD on 1h. Paid: $0.02 per call via x402.
cryptoforecastkronosx402
News headlines with tone
Recent headlines with a tone score per symbol. An empty window returns 404 NO_NEWS and is never charged. Paid: $0.01 per call via x402.
newsx402
Prediction-market odds
Current Yes prices, volume and resolve times from a public prediction-market venue for BTC, ETH, SOL price-level markets and MACRO (Fed decisions, US CPI), refreshed hourly. Paid: $0.01 per call via x402.
prediction-marketsoddsmacrox402
Self-serve listing and sponsorship
Submit a sponsored listing for an x402 service: POST https://quantx402.app/api/v1/listing, $25.00 non-refundable verification fee via x402. Automated checks (https, URL safety, listed in an x402 discovery catalog, 2+ settled sales from distinct wallets); pass = auto-approved, labeled Sponsored, auto-expires.
sponsorshiplistingx402
Sentiment composite
Composite score per symbol (crypto or SPY/QQQ): model lean, momentum and news tone when news exists. Paid: $0.01 per call via x402.
sentimentx402
Service status
Free: freshness of the latest forecast per symbol (as_of, age, stale flag). No market data.
statusfree
Signal Blend
Kronos forecast blended with aggregated market data (momentum, volatility range, invalidation check) into one stance with plain-English reasons. Paid: $0.03 per call via x402.
cryptotrading-signalsx402
Track record and outcome scoring
Every stored Kronos run and its scored outcome after the 24h window (direction hit, 80% band coverage), misses included. This is also the signal+outcome history dataset. Paid: $0.01 per call via x402.
track-recorddatasetscoringx402
US stock & ETF forecast (SPY, QQQ)
Experimental forecast for SPY or QQQ on 1h or 1d candles from our candle store, using our own baseline model (qx-bootstrap-v1, not Kronos): direction, raw share of paths up, expected move, 80% range. Paid: $0.02 per call via x402.
stocksetfforecastx402