"Learning or Writing Code in Python" 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

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

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.

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.

Universal pay-per-call tool API for AI agents. Web search, price feeds, hive memory, LLM routing, code sandbox. Free tier (10 calls/day, no signup). x402 payments on Base + Solana.

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

Adversarial verification for AI agents - pay an independent skeptic per verdict in USDC via x402.

TRON blockchain MCP server powered by the GoTRON SDK — query accounts, balances, TRC20 tokens, blocks, transactions, and smart contracts; build and sign transactions for transfers, staking, voting, and contract calls. Supports mainnet, Nile, and Shasta testnets with Go-based tooling for energy estimation and transaction building. Available via stdio or hosted Streamable HTTP

CPI-pegged stablecoin for AI agents. Zero fees, task board, self-register in 30s.

Pay-per-call DNS/TLS truth and npm/PyPI breakage checks via x402. No account or API key.

DNS, RDAP, LEI/KYB, DMARC/SPF, sitemaps, web extraction, VAT, QR. Paid per call in USDC.

Crypto backtesting & Bitcoin cycle analytics. Point-in-time, DSR-corrected, look-ahead-aware.

Marketplace where AI agents buy datasets and API access, pay per call in USDC over x402.

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.

People + life-in-days knowledge for AI agents. Public MCP; x402 on Base; OAuth for private tools.

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

No-KYC offshore hosting an AI agent self-onboards (no e-mail), funds in crypto, then deploys.

Free EU VAT (VIES) + pan-EU company data (10 registers), payable in EURC/USDC via x402.