"Current oil price lookup" matching MCP connectors:

Signed verification attestations for agent decisions: business, price, freshness, claim checks.

Pre-signature x402 payment-risk oracle. AI agents call forecast_payment before paying a counterparty and get a GO / HOLD / STOP verdict from settlement reputation, price-anomaly (quoted vs the payee's own median), and OFAC sanctions screening — plus a third-party-verifiable Ed25519 signed receipt. Verdict only; never takes custody. Free under $10 at risk; returns an x402 payment challenge over that.

Trust scoring for x402 endpoints — "should my agent pay this?" check_endpoint runs live diligence: x402 spec-compliance probe, price sanity vs market percentiles, payTo wallet on-chain activity (Base), directory presence, infra hygiene. Returns 0-100 score with per-check evidence. compare_price positions any price vs category market data. Pay-per-call via x402: $0.02/call USDC on Base, no account or API key. tools/list free.

Find the right security-disclosure contact for any internet asset (domain, IP, package, repo, app).

Polish phone number lookup: who called, spam and scam checks, UKE DNO registry, CERT phishing stats

Security intelligence via x402 on Base. CVE lookup, IP reputation, secret scanning.

Threat intel + your scans/findings/Shield posture. CVE, EPSS, KEV, package vuln lookup, DAST.

Inventory of your service accounts, kept current by your coding agents. Metadata only, no secrets.

Trust verdict for an x402 payment endpoint: health, 402 handshake, price, proceed/caution/avoid.

See, price, and control every tool call your AI agents make: policy checks, cost, and audit tools.

Phone carrier lookup, append, verification, DNC, and fraud data services.

EVM Slither audit (zero-arg demo + live) + Blockscout source + security.txt lookup + MCP probe.

CVE lookup via NIST NVD, CISA KEV, EPSS, and MITRE ATT&CK. 7 tools.

Solana wallet & token reputation lookup. Risk verdict, score, DefiLlama TVL, Rugcheck.