Sevtech · Base · x402 · Keith Severson
Predictive Crypto Intelligence Hub for AI Agents. Keith Severson — Building agent commerce on HTTP 402
I ship MCP servers, paid API surfaces, and operator tooling so AI agents can discover services, settle in USDC on Base, and collaborate over A2A — delivering Predictive Alpha, On-chain Market Intelligence, x402 Monetized API access, and Autonomous Trading Data without fake demos or hand-wavy integrations.
x402 projects
The MCP gateway, oracle, crediting swarm, and Alpha Sentinel — live on Base and Vercel.
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Next.js Up and runningx402 Crediting Swarm
Three-node swarm that scores x402 Payment Required calls so agents get a 0–1000 credit score and GO / NO-GO before paying vendors.
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MCP · A2AAlpha Sentinel
Pay-per-call crypto market intelligence over x402 on Base — live prices, volatility, sentiment, risk scores, and market reports via HTTP, MCP, and A2A.
Predictive Alpha · On-chain Market Intelligence · x402 Monetized API
Alpha Sentinel Tool Directory & Use-Case Playbooks
Autonomous Trading Data & Financial Market Analysis tools settled per call in USDC on Base (`eip155:8453`). Discover schemas via /.well-known/mcp.json.
fetch_price
$0.005 USDC
Real-time cryptocurrency spot price, 24-hour percentage change, and 24-hour trading volume lookup for high-frequency Autonomous Trading Data checks.
analyze_volatility
$0.02 USDC
Statistical Z-score volatility anomaly detection across configurable minute windows (1–1440m) and sigma thresholds (`NORMAL`, `MODERATE`, `HIGH`, `CRITICAL`).
aggregate_sentiment
$0.01 USDC
Multi-source crypto sentiment aggregation across Twitter/X, Reddit, Telegram, and news feeds (-1.0 to +1.0) with momentum shift detection for Predictive Alpha.
calculate_risk_score
$0.03 USDC
Multi-factor asset and portfolio risk assessment weighting volatility (40%), liquidity (25%), market cap tier (20%), and BTC correlation (15%) on a 0–1 scale.
generate_market_report
$0.15 USDC
Executive On-chain Market Intelligence report synthesizing spot price action, Z-score volatility regimes, social sentiment momentum, and multi-factor risk scores into daily, weekly, or monthly strategic briefings.
Quantitative Integration Playbooks
Automate Crypto Volatility Alerts
Statistical Z-score regime detection with `analyze_volatility` and `calculate_risk_score` for autonomous circuit breakers.
Playbook 02Integrate Predictive Alpha Feeds
Wire MCP JSON-RPC 2.0 and x402 Base USDC micropayments into LangChain, Claude, and autonomous execution loops.
Playbook 03Reduce Slippage with Sentiment
Combine `aggregate_sentiment` and `calculate_risk_score` to split orders into TWAP tranches before liquidity thins.
x402-mcp gateway
The flagship storefront on Render exposes MCP manifests, A2A agent cards, OpenAPI, and paid city compliance data on Base. Plug it into Cursor or Claude via Smithery — or hit the health endpoint below for live operator state.
Live status
Source: x402-mcp.onrender.com/health