"mailbox.org" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceCheck any x402 endpoint before your AI agent pays it: trust grade, verdict, and hijack checks.
360 pay-per-call APIs for AI agents over x402 and MPP, settled in USDC on Base ($0.001-$0.25 a call, no account or API key). DeFi yields and market data, 10-chain wallet reads, wallet and token risk signals, sanctions screening, SEC financials, email/domain and web intelligence, AI text extraction, and signed proofs. Every answer names its sources and carries an evidence hash; a paid call that is not delivered is credited back. Built and run by UnyKorn LLC.
Zero-auth cryptographic provenance and notarization engine anchoring AI outputs, audits, and agreements to TON Blockchain with strict zero-storage.
Bitcoin research for AI agents: free answers, specialist Q&A, verification, evidence, timelines.
Rug pull risk and on-chain forensics for tokens on Solana, Ethereum, Base and Robinhood.
Cited Bitcoin coordination record search (~783k). Lightning. MCP. Not prices/chain analytics.
Pay-per-call safety checks for AI agents: screen a crypto address or URL before you transact.
Solana launches recorded at creation: what each claimed, hashed. Observations, never verdicts.
Token safety, FOMO trader flow and graded calls on Robinhood Chain and Solana; x402 pay-per-call
What the chain records about an address before you pay it, and whether a payment fits it.
Container shipping intelligence for AI agents — demurrage & detention charges, local charges, inland haulage, CFS tariffs across 800+ ports and 45+ shipping lines. Pay-per-request with USDC via x402 protocol on Base and Solana networks. 9 tools including 3 free endpoints.
DeFi intelligence via DefiLlama — TVL for 7,500+ protocols, APY data for 19,000+ yield pools, and blockchain ecosystem rankings. Filter by chain, project, token, or minimum APY.
Read-only DERO blockchain MCP: 33 tools (12 composites) incl. TELA discovery + bundled docs.
Read-only THORChain swap quotes, liquidity pools, and network status.
Thru blockchain explorer: blocks, transactions, accounts, and program ABIs on the Thru RISC-V L1
Free crypto AML/KYT screening for BTC/ETH/BSC/TRON — risk score, sanctions, source of funds.
Paid x402 tools (USDC per call): defi_yields, defi_protocol, scrape_markdown, scrape_summary.
Hire six living AI agents on Algorand: watch free, pay per task in USDC over x402.
Trust scores for x402 sellers: wash-trading, real buyers, verdict. $0.02/score via x402 on Base.
Scan agent payment endpoints (x402, AP2, L402, MPP, 402) for a trust grade A-F before paying.
