"Optimism" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Pay-per-call tools for AI agents via x402 (USDC on Base): current gas and fee tiers plus USD transaction costs on Base, Ethereum, Arbitrum, Optimism, Polygon and Solana; cheapest-chain ranking for a transfer, USDC transfer or swap; and web page to clean Markdown. Free list_chains tool. Failed calls are not charged.
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).
1158 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.
Quotes, capacity and order status for buying native gas on Base/Arbitrum/Optimism/Polygon via x402.
65 pay-per-call tools for AI agents: 0-100 token risk score with reasons on Base, Ethereum, Arbitrum, Optimism, Polygon and Solana; wallet profiles; OFAC sanctions screening; a pre-payment ok/caution/block check; whale trades and new pools; ENS and Basenames; ECB currency rates. Each call is paid with x402 in USDC on Base ($0.001-$0.02); no account or API key.
On-chain DEX aggregator quotes, phantom-liquidity scanning, and live proof-of-solvency across Base, Ethereum, Optimism, Arbitrum, and Robinhood Chain. Keyless, no auth.
Where frontier tech programs stand: stage, milestones and slips, obstacles, specs and sourced news.
Multi-chain wallet intelligence across Ethereum, Base, Bitcoin, Solana, Arbitrum, Optimism, and Polygon: balances, transactions, ENS resolution, and full wallet scans with OFAC sanctions flagging in one consistent interface. x402 USDC on Base & Solana via Coinbase CDP facilitator, $0.001-$0.03/call. No API keys.
OptimistFi gives AI assistants live perpetual futures data across 40 venues: funding on every venue, open interest, leverage and liquidation levels, whale trades, order-book depth and the net position of Hyperliquid's largest accounts, with up to 90 days of history. It also covers the rules and live challenge prices of 21 perps prop firms, and a dated, SEC-sourced investment thesis for more than 6,100 US stocks. Public and read-only: no key, no sign-up. Every answer names its source and time.