"Understanding Code Execution in Programming" matching MCP connectors:

AgentFeed: 47 tools — our own liquidation tape + tokenized-equity peg data, paid in USDC.

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

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.

Monetize any MCP server: x402 paywall, pay-per-call billing in USDC on Base, agent marketplace.

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

Agent-native global eSIM: buy for 193 countries, per-MB in USDT/USDC. Agents earn 20% referral.

MCP marketplace: agents pay per call in USDC via x402. Plus Base chain data and a USDC<->bank ramp.

MCP server for the EmblemAI AgentWallet. Exposes tools for token swaps, DeFi yield farming, liquidity management, portfolio tracking, market research, and memecoin discovery across Solana, Ethereum, Base, BSC, Polygon, Hedera, and Bitcoin. Backed by Agent Hustle (agenthustle.ai) for routing and execution. OAuth 2.0 + PKCE for interactive agents; API key and x402 micropayments also supported.

Autonomous research agent that pays every source it cites in USDC on Arc via x402 micropayments.

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

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

Crypto price-event settlement verdicts and US building-permit data, paid per call in USDC.

The stock market, in SQL — scan, replay, or subscribe across ~12k US tickers and top 100 cryptos.

Token swaps and honeypot/rug checks for AI agents on 8 chains, paid per-call in USDC via x402.

Check a Base contract, transaction or web page before you act. Free pricing, paid per call in USDC.

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

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