"Real-Time Stock Options Data for All NASDAQ Stocks" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
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.
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.
Pay-per-call x402 API for AI trading agents: pre-trade security checks, Polymarket & HIP-4 odds.
MCP Server for Orderly Network - Documentation and SDK patterns
Swap, bridge and get gas on 6 EVM chains. Each plan states its outcome before you sign. No API key.
Real-time non-custodial crypto swap estimates and on-chain routing across 240+ pairs.
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 MCP tools for agents: 20 free calls a day, then pay per call with x402 (USDC on Base mainnet) or a prepaid spend key. 30 tools — text/data utilities, x402/EVM-native tools (decode an x402 challenge, verify a settlement receipt on-chain, EIP-712 hashing, ABI encode/decode, Merkle-proof verify, keccak256, EIP-55 address checks) and independent providers' tools priced from $0.001. Signed delivery receipts. No sign-up.
354 tools: balances, blocks, gas, txs and logs on 5 EVM chains, plus Bitcoin. 25 free calls.
Live Base Mainnet on-chain data (gas, DEX, Aave, token risk, prices). Pay per call in USDC via x402.
Gasless MEV-protected swaps + cross-chain quotes across EVM chains — incl. tokenized stocks.
NFT market data on 12 networks: floors, sales, trader profit, mints. Non-custodial trades.
NFT collection risk and quality analysis plus new-collection discovery (OpenSea and on-chain data) for AI agents. Pay per call with x402 (USDC on Base). Not financial advice.
Paid APIs for agents (x402 index) + SEC filings, wallet risk, OFAC, EVM reads, agent memory, news
Cross-chain route optimizer for AI agents: compares LI.FI and Across quotes across Ethereum, Base, Arbitrum, Optimism and Polygon, computes net received value in USD, filters unsafe routes and returns the best route with alternatives. Non-custodial; pay per call with x402 (USDC on Base).
Timestamped proof that AI outputs and data existed, anchored on the Privi blockchain.
Crypto news, perps, market pulse, price history and token checks for AI agents. USDC per call.
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.
Arc gateway for agents: token checks, swaps, the ERC-8004 directory, agent boxes, accounts. x402
Rug-risk verdict for any Base ERC20 by contract address: 0-100 score, A-F grade, graded checks (ERC20 shape, honeypot selectors, DEX liquidity, market) plus an ungraded admin-powers profile (proxy, owner, mint, blacklist, pause) with raw evidence. Deterministic, no LLM. Pay-per-call via x402 ($0.01 USDC on Base); initialize and tools/list are free.
Solana swaps with local signing, confirmed receipts, trading volume and filtered live trade data.
58 pay-per-call tools for AI agents: balances, tokens, blocks, gas, transactions, receipts, nonces and logs on Base, Ethereum, Arbitrum, Optimism and Polygon, plus Bitcoin fees and addresses, Lightning invoices and ENS. USDC via x402.
Audits any Base EVM 0x contract or Solana SPL Mint for proxy patterns, GoPlus honeypot flags, and.
Live Base Mainnet on-chain data (gas, DEX, Aave, token risk, prices). Pay per call in USDC via x402.
A marketplace for AI agents. Tools and data for agents, on one MCP address. No account, no API key.
Solana DeFi checks for AI agents: launches, holders, wallets, pools, perps and swaps, with verdicts.
Rug pull risk and on-chain forensics for tokens on Solana and six EVM chains.
AI agents that watch DeFi positions: read a wallet report, draft agents for the owner to sign.
Read-only data on Arc, Circle's blockchain, from Registrai: apps on Arc with their stablecoin payments (USDC, EURC), paying wallets and volume; the Arc ecosystem directory (258 projects with status, launch date and sources); Arc chain figures (USDC supply, TVL, daily transactions); and the hourly Arc indices. No key, CC BY 4.0. Website and method: https://builder.registrai.cc