The real catalog of tools for AI agents

Non-custodial x402 payments for AI agents. Sign locally, spend limits, Base network.

Non-custodial x402 payment MCP server for AI agents. Wallets, payments, and commerce on 17 chains.

Non-custodial crypto payments for AI assistants: balances, payments, and create payment links.

Non-custodial x402 payment MCP server for AI agents. Wallets and payments on 17 chains.

Discover machine-payable APIs, probe x402 payment terms, and run seller operations. Non-custodial.

Keyless non-custodial crypto payments for AI agents: payment links and tip jars, no API key.

Self-facilitated x402/MCP payments for hosted endpoints, rail proofs, receipts, and agents.

Xenarch — x402 MCP server for AI agent payments. Non-custodial, USDC on Base L2.

Stripe-style USDC billing for any API. 8 free demo services no signup. Non-custodial.

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

Pay for APIs with USDC. Read-only x402 payment discovery, verification, evidence, and status.

Put any API behind x402 in one call, settle USDC on Base, buy credits, find paid resources

Escrow, reputation, and payments for agent-to-agent commerce. Non-custodial USDC/Base L2.

Neutral, non-custodial MCP payment router: discover rails, then pay across them.

85+ pay-per-call MCP tools: trading, federal grants/contracts, SEC, FTD. x402 USDC/RLUSD. No keys.

Analyzes delegated AI payment authority and exposes supported Stripe/x402 evidence contracts.

Authorize x402 payments before signing with request-bound, signed safety decisions.

Paid token risk and security intelligence for AI agents over MCP with x402 payments.

Payment decisions, durable evidence, x402 resource discovery and live gateway status for AI agents.

Non-custodial payment engine for AI agents — BTC, ETH, USDT, USDC, XRP, XMR, ZEC.