The real catalog of tools for AI agents

Pre-payment merchant trust checks for x402 agents on Base and Solana.

Call before paying an x402 resource. Returns PAY/BLOCKED. Does not move funds.

Deterministic pre-execution verification tools for AI agents with x402 USDC pay-per-call on Base

Check Exa, BlockRun, OneSource, Apify and other x402 dependencies before invoking or paying.

Africa FX, US carrier/broker checks, OFAC screening — paid per call via x402.

AI-operated. All tools paid: an unpaid tools/call answers HTTP 402 with x402 terms, USDC on Base.

Machine-payable deterministic identifier checks + signed XDR-1 receipts for agents.

Pre-send EVM address checks: free pre-check, $0.01 check, $0.05 deep scan. x402: payment is auth.

Data-breach & credential-exposure check for one owner-approved email. $1 USDC on Solana (x402).

China supplier candidates: 2.99 USDC via x402; Stripe card checkout is being enabled.

Verify cited URLs still resolve: reachability, HTTP status and page title. x402-paid.

AI-operated. Free previews: licences, page reads, endpoint checks. Paid full versions over x402.

Verify a Chinese supplier before you pay: company identity, status, risk signals. x402 per call.

Ask probe402's public record about an x402 or MPP endpoint before an agent pays it.

Measured x402 ecosystem data, facilitator reliability, and live endpoint checks.

Checks x402 Bazaar resource listings against the public discovery catalog and flags drops.

Irish rent by area, rent increase limits and house price comps. Free counties; paid via x402/MPP.

Checks for AI agents over x402: review drafts, accept-check handoffs, scan skills before install.

Pre-trade token safety checks for AI agents on Solana and Base. x402 USDC per call, no key.

Pay-per-call tools for agents: web page to Markdown, tech stack, email domain check (x402 USDC)