"Using Latest Modern C++ Features in Programming" matching MCP connectors:
GET /v1/connectors — MCP directory API referenceMatching Connector Tools:
Pay-per-call x402 tools for AI agents — no API key needed, payment is the auth (USDC on Base). 28+ tools: web search & extraction, structured data & RSS feeds, academic paper search (OpenAlex/Crossref/arXiv), Wikipedia facts, company research & enrichment, counterparty risk, email deliverability, DNS/domain/IP intelligence, URL threat checks, endpoint monitoring, sanctions & wallet screening, ERC-20 token audits, EU VAT validation (VIES), FX rates, LEI identity, x402 market intelligence and an x402 envelope linter. From $0.001/call. First call free for new wallets on tools ≤ $0.02; volume discounts advertised in every 402 envelope. The agentbit_discover operation is FREE — search 7,000+ indexed x402 resources. Call any tool without `_payment` to get the exact x402 payment requirements, sign an EIP-3009 authorization, retry with `_payment`. Catalog: https://agentbit.app/catalog.json
Mint an agent identity in two free calls. Verify anyone. Earn 75% when someone reads you.
Verify anything: email, phone, domain, URL and IBAN validation, phishing/malware URL screening, and OFAC sanctions checks. Pay-per-check in USDC on Base via x402 — no signup, no API keys.
Hosted, OAuth-gated endpoint for quantakrypto's post-quantum crypto tools: scan code for quantum-vulnerable cryptography (RSA/ECDH/ECDSA/DH) and get NIST ML-KEM/ML-DSA/SLH-DSA migration guidance over authenticated HTTP — nothing to install. Sign-in required (Google/GitHub/email). Same tools as the open-source @quantakrypto/mcp server; source at github.com/quantakrypto/pqc-tools.
Governance firewall for autonomous AI agents. Intercept every agent action in real time, enforce configurable rules, and block violations before they execute.
X-Z-CS AI validation with auditable reasoning. 8 active tools; 5 in maintenance. v0.5.62
Per-transaction crypto trade validator for AI agents. Returns deterministic PROCEED / CAUTION / BLOCK verdicts using WaveGuard anomaly detection, history checks, and rug-pull risk analysis.
CVE security advisories: high & critical NVD vulns, CVSS, daily digest. $0.01/query.
Twelve tools: token, wallet, contract and site security. Two free, the rest $1 in USDC over x402.
Adversarial verification for AI agents - pay an independent skeptic per verdict in USDC via x402.
abuse.ch Feodo Tracker botnet C&C IP blocklist
22 pay-per-call developer, security, network and data utilities using x402 on Base.
Verifies a person's identity in Argentina by matching the provided data (DNI, name, birth, address).
Pre-connect trust checks for AI agents and MCP servers using HVTracker's public trust registry.
Compares the provided data of a person in Argentina (DNI, name, birth, address) and returns the simi
Compares the provided data of a person in Mexico (CURP, name, birth, address) and returns the simila
Score an IP, email, phone, domain or device for fraud in one call, with the signals behind it.
Send SMS/WhatsApp and verify OTP codes in Morocco (+212) and worldwide. Direct carrier routing.
Human-in-the-loop review and approval for AI agents. Audit trail, approval policies, native MCP.
Cryptographic proof of wallet ownership in two steps, with no keys and no custody.