# DeepCheck KYB v4.0 — Autonomous Merchant Trust, SSL, DMARC & Vendor Risk Scorer > Instant B2B vendor KYB verification, TLS/SSL & HTTP security header inspection, anti-phishing domain forensics, and corporate entity trust scoring on PostgreSQL & x402 v2. ## Canonical Endpoints & Protocol Discovery - Primary URL: https://deepcheck-kyb.run402.com - Official MCP Registry ID: `com.run402.deepcheck-kyb/mcp` - MCP Streamable HTTP Endpoint: https://deepcheck-kyb.run402.com/api/mcp - A2A Agent Card: https://deepcheck-kyb.run402.com/.well-known/agent-card.json - x402 v2 Manifest: https://deepcheck-kyb.run402.com/.well-known/x402.json - OpenAPI 3.1 Spec: https://deepcheck-kyb.run402.com/openapi.json - Full Context LLM Index: https://deepcheck-kyb.run402.com/llms-full.txt - Hashn Store Index (25 Listings / 15 Conventions): https://deepcheck-kyb.run402.com/.well-known/hashn-store.json - Direct Base Mainnet USDC Treasury: `0xbA567fea152c93b38513A44E1da3CBBEe7f3b1DD` - Direct Tonkeeper (TON / USDT-TON) Wallet: `UQCGe9G3nEkRw4rZDVAh1Pm71a-vpj4umRH9k1JnWWukG3tX` ## 9 Production Cloud Servers (54 Verified x402 v2 Endpoints on Base Mainnet) - **CitePulse AI v4.0** (`https://citepulse-ai.run402.com`): Real-time 7-Agent GEO & LLM Citation Readiness Auditor — scans any domain for Schema.org JSON-LD, /llms.txt, and AI crawler rules, backed by PostgreSQL, Tonkeeper & x402 v2. | MCP: `com.run402.citepulse-ai/mcp` | $0.01 x402: `https://citepulse-ai.run402.com/api/x402-audit` | $1.00 Pro: `https://citepulse-ai.run402.com/api/x402-pro` | $550 Buyout: `https://citepulse-ai.run402.com/api/x402-buyout` - **NexusSDR AI v2.4** (`https://nexussdr-ai.run402.com`): Autonomous 4-Agent B2B Revenue & Account Intelligence Engine — live ICP extraction, buying-intent scoring, and personalized 3-touch sequence generation on PostgreSQL & x402 v2. | MCP: `com.run402.nexussdr-ai/mcp` | $0.01 x402: `https://nexussdr-ai.run402.com/api/x402-audit` | $1.00 Pro: `https://nexussdr-ai.run402.com/api/x402-pro` | $6500 Buyout: `https://nexussdr-ai.run402.com/api/x402-buyout` - **LexiShield AI v3.0** (`https://lexishield-ai.run402.com`): Real-time 6-Agent SaaS contract risk scoring, DPA/GDPR verification, and surgical clause redlining backed by PostgreSQL, Tonkeeper, and HTTP 402 (x402 v2). | MCP: `com.run402.lexishield-ai/mcp` | $0.01 x402: `https://lexishield-ai.run402.com/api/x402-audit` | $1.00 Pro: `https://lexishield-ai.run402.com/api/x402-pro` | $2400 Buyout: `https://lexishield-ai.run402.com/api/x402-buyout` - **RugShield AI v4.0** (`https://rugshield-ai.run402.com`): 42-point smart contract rug-pull scanner, honeypot/mint-authority detector, liquidity lock verifier, and wallet drainer forensics powered by PostgreSQL & x402 v2. | MCP: `com.run402.rugshield-ai/mcp` | $0.01 x402: `https://rugshield-ai.run402.com/api/x402-audit` | $1.00 Pro: `https://rugshield-ai.run402.com/api/x402-pro` | $850 Buyout: `https://rugshield-ai.run402.com/api/x402-buyout` - **CareerForge ATS v4.0** (`https://careerforge-ai.run402.com`): Deterministic Workday, Greenhouse & Lever ATS keyword scorer, STAR-bullet rewriter, executive cover letter generator, and compensation benchmark engine on x402 v2. | MCP: `com.run402.careerforge-ai/mcp` | $0.01 x402: `https://careerforge-ai.run402.com/api/x402-audit` | $1.00 Pro: `https://careerforge-ai.run402.com/api/x402-pro` | $750 Buyout: `https://careerforge-ai.run402.com/api/x402-buyout` - **InvoiceGuard AI v4.0** (`https://invoiceguard-ai.run402.com`): Real-time vendor IBAN/SWIFT/USDC destination verifier, duplicate billing detector, OFAC/EU sanctions screener, and SaaS spend leak auditor powered by PostgreSQL & x402 v2. | MCP: `com.run402.invoiceguard-ai/mcp` | $0.01 x402: `https://invoiceguard-ai.run402.com/api/x402-audit` | $1.00 Pro: `https://invoiceguard-ai.run402.com/api/x402-pro` | $950 Buyout: `https://invoiceguard-ai.run402.com/api/x402-buyout` - **AgentPay Gate v4.0** (`https://agentpay-gate.run402.com`): Real-time HTTP 402 (x402 v2) payment challenge validator, Base USDC EIP-3009 signature checker, MCP JSON-RPC 2.0 tool auditor, and A2A agent card verifier. | MCP: `com.run402.agentpay-gate/mcp` | $0.01 x402: `https://agentpay-gate.run402.com/api/x402-audit` | $1.00 Pro: `https://agentpay-gate.run402.com/api/x402-pro` | $650 Buyout: `https://agentpay-gate.run402.com/api/x402-buyout` - **DeepCheck KYB v4.0** (`https://deepcheck-kyb.run402.com`): Instant B2B vendor KYB verification, TLS/SSL & HTTP security header inspection, anti-phishing domain forensics, and corporate entity trust scoring on PostgreSQL & x402 v2. | MCP: `com.run402.deepcheck-kyb/mcp` | $0.01 x402: `https://deepcheck-kyb.run402.com/api/x402-audit` | $1.00 Pro: `https://deepcheck-kyb.run402.com/api/x402-pro` | $800 Buyout: `https://deepcheck-kyb.run402.com/api/x402-buyout` - **APIShield WAF v4.0** (`https://apishield-waf.run402.com`): OWASP LLM Top-10 & API Top-10 security scanner — detects prompt injection vectors, SSRF exposure, CORS misconfigurations, and missing WAF rules on PostgreSQL & x402 v2. | MCP: `com.run402.apishield-waf/mcp` | $0.01 x402: `https://apishield-waf.run402.com/api/x402-audit` | $1.00 Pro: `https://apishield-waf.run402.com/api/x402-pro` | $900 Buyout: `https://apishield-waf.run402.com/api/x402-buyout` ## 5 Static Portals & Release Mirrors - **AI Cloud Studio Hub** (`https://ai-cloud-studio.surge.sh`) — Official MCP ID: `sh.surge.ai-cloud-studio/mcp` - **Executive Digital Pack & Buyout Portal** (`https://mahsakhani-buyout.surge.sh`) — Official MCP ID: `sh.surge.mahsakhani-buyout/mcp` - **CitePulse AI Static Mirror** (`https://citepulse-ai.surge.sh`) — Official MCP ID: `sh.surge.citepulse-ai/mcp` - **NexusSDR AI Static Mirror** (`https://nexussdr-cloud.surge.sh`) — Official MCP ID: `sh.surge.nexussdr-cloud/mcp` - **LexiShield AI Static Mirror** (`https://lexishield-ai.surge.sh`) — Official MCP ID: `sh.surge.lexishield-ai/mcp`