"Maintaining Consistent Behavior in System Prompts" 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.

A general store for AI agents. Pay in USDC via x402; every purchase gets a signed certificate.

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

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

All-in outcome rankings with live depth, fees, verified rules, EV checks, and track records.

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

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

9 pay-per-call company intel tools over MCP. Free discovery, calls settle in USDC on Base (x402).

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

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

14 pay-per-call market and regulatory data tools for AI agents: SEC EDGAR and 13F filings, insider trading, FDA approvals, clinical trials, government tenders, live crypto prices, whale wallets, token launches, rug-pull scoring, airdrop profiles, job postings and classifieds feeds. Free discovery + pricing_info; paid calls $0.01-0.02 in USDC on Base via x402 — pay only for successful runs.

14 pay-per-call market data tools over MCP. Free discovery, calls settle in USDC on Base (x402).

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

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.