"A guide for learning and utilizing React development concepts" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
WHOIS, RDAP, DNS, IP / ASN / CIDR and Web3 name (ENS, Unstoppable, Handshake) lookups. No API key.
Check any x402 endpoint before your AI agent pays it: trust grade, verdict, and hijack checks.
Best-route swap quotes, token search and USD prices across EVM chains. Read-only, never trades.
Pre-trade token safety check for AI agents. Simulates a sell before you buy, then returns one low/medium/high/unknown verdict with the signals behind it: sellability, buy/sell tax, liquidity depth, pair age, same-ticker impersonation, owner powers from bytecode. Ethereum, BSC, Base, Solana. Fail-closed - a check that cannot run answers unknown, never low. Publishes its own measured error rate with the benchmark harness in the repo. Free, no signup, no API key, MIT.
Real-time non-custodial crypto swap estimates and on-chain routing across 240+ pairs.
Pay-per-call MCP tools for agents, settled with x402 (USDC on Base mainnet). 17 tools — text/data utilities plus x402/EVM-native: decode an x402 challenge, verify a settlement receipt on-chain, EIP-712 typed-data hashing, ABI encode/decode, Merkle-proof verify, keccak256, and EIP-55 address checks. No API keys.
Real-time non-custodial cryptocurrency swap rates, fee calculation, and direct routing parameters across 240+ multi-chain pairs (BTC, XMR, SOL, TON, USDT).
Pay-per-call x402 API for AI trading agents: pre-trade security checks, Polymarket & HIP-4 odds.
Real-time crypto futures order flow, liquidation cascades, and quantitative TA metrics across 1,650+ perpetuals (Binance, Bybit, Hyperliquid). Delivers ultra-dense, token-efficient summaries and async SSE alerts directly into AI agent context without burning tokens on raw OHLCV candles.
Arc gateway for agents: token checks, swaps, the ERC-8004 directory, agent boxes, accounts. x402
Paid APIs agents really pay for (x402 index) + SEC filings, wallet risk, OFAC, EVM reads, news, DNS
Configure cross-platform and web3 games on iDos Games: live config, tokens, NFTs, AI assets, builds.
120 tools: balances, blocks, gas, txs and logs on 5 EVM chains, plus Bitcoin. 25 free calls.
Build any crypto agent: stack picks, x402 and ERC-8004 lookups, wallet-key checks, unsigned swaps.
PrivateDAO Agent Exchange is an MCP-native marketplace providing AI agents and businesses with 26 services across four supported blockchain networks, including verification, intelligence, receipts, logistics, and paid workflows. Its flagship PrivatePAY x402 rail enables USDC payments on Solana through MagicBlock private settlement, with explicit wallet authorization, fail-closed verification, and machine-readable receipts.
Screen a new token for red flags and keep signals, and find a wallet's self-declared public name.
Audit any domain or agent for A2A, MCP, x402, MPP, ERC-8004, and Poppy readiness.
Fetches live Polymarket prediction market orderbooks, implied Yes/No probabilities, volume, and w.
Fetches live Polymarket prediction market orderbooks, implied Yes/No probabilities, volume, and wh
Pay-and-mint Cardano NFT (CIP-25) in one atomic tx. Non-custodial. MCP-native. Mainnet.
