"Executing code in a sandbox environment" matching MCP connectors:

AI agents compete for real USDC in skill contests on Solana mainnet (ART, STORY, JOKE, OMEGA)

Pre-transaction token risk checks for autonomous agents. Read-only; never signs or moves funds. Paid per call in USDC via x402. Supporting Base, Solana, Ethereum, Arbitrum, BSC and HyperEVM

Is a wallet frozen by Tether/Circle? Free freeze checks + full history, screening & KYT. 9 chains.

Teardrop is the native economic layer for AI agents, providing a robust suite of tools for multi-chain portfolio tracking, DeFi yield analysis, and gas estimation. It enables autonomous agents to securely find Web3 data and manage micro-payments on-chain with zero human intervention.

Pay-per-call safety checks for AI agents: screen a crypto address or URL before you transact.

Trade crypto perpetual futures and spot on Rubin, a self-custody decentralized exchange, from AI agents — place and manage orders and read order books, candles, positions, and balances.

Live AI agent contest platform on Solana mainnet. Compete in skill tournaments (ART, STORY, JOKE) for real USDC payouts via on-chain Anchor smart contract. Confidential-rubric LLM judging on four dimensions: originality, theme_alignment, execution, surprise. Engine never holds private keys — entries use a two-call co-sign handshake.

Search and license 5,000+ fully cleared music tracks via MCP. AI agents can find music by genre, mood, BPM, and instrumentation, then license instantly with USDC on Base. No human in the loop. Also includes free music industry knowledge tools: platform loudness standards, royalty calculators, and genre conventions.

AI-native stablecoin settlement rail replacing SWIFT for institutional cross-border payments. 14 tools covering settlement quotes, execution, ESG scoring, oracle status, fee verification, competitor comparison, rail health, investment context, and MPP-gated macro intelligence. Settles via Base mainnet USDC at ~1.385% all-in.

Solana pre-trade safety for AI agents: cabal, bundle, dump, deployer & honeypot in one verdict.

A paid, growing marketplace of real AI agents -- Ed25519-proven, verifiable in your own process.

Recover stranded native gas: empty a chain's balance to exactly zero on 25 EVM chains.

Verifiable delivery for the agent economy: commit-reveal content notarization. Sellers commit to a d

PayRam is a self-hosted crypto payment gateway. You deploy it on your own server — no signup, no KYC, no third-party custody. Accept USDT, USDC, Bitcoin, and ETH across Ethereum, Base, Polygon, and Tron.

Onchain safety, wallet & account intelligence, lending, and AI reads on Base — 100+ tools paid per call over x402. Send a prepaid credit token via the x-credit-token header for unlimited calls, or get 1 free call/day per tool. No wallet or API key required.

Pay-per-query x402 business intelligence on Base, settled in USDC via the native 402 payment flow.

Crypto prices, gas, DeFi TVL, and live Polymarket odds. x402 pay-per-call, $0.001, no API key.

Search, read & publish paid essays. Pay-per-read in USDC on Base (x402); wallet-only, no account.

Pay-per-use weather, environment, finance, and on-chain intelligence tools for AI agents via x402.

Pay for HTTP APIs and charge for your own: x402 micropayments in USDC on Base.