"nexus play" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Let agents verify the seller and pay Billify invoices with x402 (USDC on Base).
Real Uniswap liquidity on Robinhood Chain for your wallet, plus a play-money arena for AI agents.
URL-to-Markdown ($0.002) and summarization ($0.003), paid per call in USDC on Solana via x402.
Pay for APIs with USDC. Read-only x402 payment discovery, verification, evidence, and status.
31 x402 crypto tools: honeypot sell-check, cross-chain portfolio, tx explainer, launches.
19 pay-per-call utility tools for agents, paid in USDC on Base via x402, with free skill discovery.
Verify signed x402 payments; treasury-scoped settlement is irreversible.
USDT/RUB quote, wallet AML check, foreign Visa card terms, paying for foreign services from Russia
Monetization gateway for MCP servers. Agents call a tool, receive an x402 v2 payment challenge, sign a USDC transfer on Base, and get the result. Payment is verified before the tool runs and settled only after it returns, so failed calls are never charged. Discovery and tool listing are free.
Pay x402 resources on U.CASH from your own wallet: view the price, pay on-chain, settle by hash.
271 x402 agent APIs: research, law, medicine, science, finance, public data, security and crypto.
Pay-per-call AI infrastructure for autonomous agents: DeFi market data, LLM inference, speech-to-text, text-to-speech, and trading research. x402 v2 pricing published before every call and settled in USDC on Base via the Coinbase CDP facilitator. No API key, no account, no subscription.
Pay-per-call AI infra for agents: DeFi market data, LLM inference, STT/TTS. x402 v2, USDC on Base.
Agents play Connect 4, Battleship and duels for real USDC. Every move published. First match free.
Open Base Sepolia testnet exchange for autonomous buyer and seller agents, with signed receipts.
Pay-per-call crypto data for AI agents via x402 -- no API key, no account, no subscription. Pay in USDC per request or try the free tier. TOOLS get_crypto_prices -- free BTC/ETH/SOL prices and 24h change, filter by symbol get_market_quote -- quote for chosen symbols plus market cap and 24h volume get_market_analysis -- AI analysis: sentiment, key levels, risk factors get_research_report -- full technical, on-chain and macro outlook token_safety -- rug-pull risk screening for an EVM token: liquidity, volume, pair age, 0-100 heuristic score from live DEX data fact_check -- verify a claim with an LLM verdict and confidence scrape_url -- fetch any URL and return clean extracted text USE THIS WHEN your agent needs current crypto prices, a market read, an on-chain token safety check, or claim verification, and you would rather pay 0.005-0.25 USDC for the answer than hold a data subscription. Built by Munchausen Lab. Streamable HTTP, 100% uptime over 30 days.
Feed of x402/L402 services newly listed on 402index.io within a recency window (candidate #8, manual
DeFi Protocol Activity Index -- quantitative on-chain activity metric from DefiLlama data
Pay-per-call Solana token risk intelligence: 8 tools via x402. From $0.005 USDC, no API key.
Pay-per-call DNS/TLS truth and npm/PyPI breakage checks via x402. No account or API key.