Liquid Agent
Money tools for AI agents over x402: USDC bridge to 16 chains, Polymarket data, stocks, USDC gas.
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Settings → Connectors → Add custom connector
URL: https://api.liquidagent.ai/mcpSettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://api.liquidagent.ai/mcp{
"mcpServers": {
"liquid-agent": {
"url": "https://api.liquidagent.ai/mcp"
}
}
}claude mcp add --transport http liquid-agent https://api.liquidagent.ai/mcp{
"servers": {
"liquid-agent": {
"type": "http",
"url": "https://api.liquidagent.ai/mcp"
}
}
}32 tools, verified live
bridge_quoteread-onlyFree. Exact price to move USDC with the Liquid Bridge (Base to Arc, Arbitrum, OP, Polygon, Avalanche, Unichain, Linea, World Chain, Sonic, Monad, Sei, Ink, HyperEVM, XDC, Plume, Codex; or Arc to Base): what you pay, what you receive (exactly `amount`), the fee breakdown and the ETA. No payment, no wallet needed.
bridge_prepare_paymentread-onlyReturns the exact x402 payment request for a bridge (network, asset, payTo contract, amount, EIP-712 domain) and the URL to call. Pay it with your own x402 client: sign one EIP-3009 authorization and repeat the GET with the PAYMENT-SIGNATURE header. You receive exactly `amount` at your own address on the destination. This tool does not pay or sign anything.
bridge_routesread-onlyFree. Every Liquid Bridge route with its live price for 1 USDC and whether it is open.
bridge_statusread-onlyFree. Circle attestation and mint state for a bridge, by its burn transaction hash (returned by the bridge call).
bridge_referral_earningsread-onlyFree. Unclaimed Liquid Bridge referral earnings for an address on each chain, and how they are paid out. Earn by adding ref=<your address> to bridge calls: 20% of Liquid's fee.
stocks_basketread-onlyFree. The on-chain tokenized US stock index on Base (NVDA, META, AAPL, GOOGL): live prices, fees, how to buy from $1.
stocks_buy_quoteread-onlyFree. Preview buying the tokenized stock basket: shares you would get and the fee for a USDC amount (USDC 6 decimals: "2000000" = $2).
stocks_vaultread-onlyFree. A basket vault's value (NAV), holdings, current vs target weights and whether it needs rebalancing.
stocks_portfolioread-onlyFree. Everything an address owns in the tokenized stock basket: each vault, its shares and current USD value.
stocks_create_vaultread-onlyFree. Opens your own vault for the tokenized US stock basket (NVDA, META, AAPL, GOOGL), controlled only by you. Returns an UNSIGNED transaction {to, data, value, chainId} on Base; nothing happens until you sign it with your own wallet and broadcast it. Liquid never holds keys or funds. After it confirms, find the vault with stocks_portfolio.
stocks_set_weightsread-onlyFree. Sets your vault's target allocation across the 4 stocks in basis points (sum 10000), e.g. [4000, 3000, 2000, 1000]. Default is equal weight. Returns an UNSIGNED transaction {to, data, value, chainId} on Base; nothing happens until you sign it with your own wallet and broadcast it. Liquid never holds keys or funds.
stocks_buyread-onlyFree. Invest USDC into your vault from $1 (USDC 6 decimals: "1000000" = $1). Easiest: set usePermit=true with owner, sign the returned typedData off-chain (free), then call again with permitDeadline + permitSignature to get ONE deposit transaction. Without a permit you get two transactions (approve, then deposit). Returns an UNSIGNED transaction {to, data, value, chainId} on Base; nothing happens
stocks_sellread-onlyFree. Cash out: redeem basket shares to USDC, or take the raw stock tokens in-kind (works any block, no vault needed, anyone holding shares can sell). Returns an UNSIGNED transaction {to, data, value, chainId} on Base; nothing happens until you sign it with your own wallet and broadcast it. Liquid never holds keys or funds.
stocks_rebalanceread-onlyFree. Brings your vault back to its target weights (check stocks_vault: rebalanceNeeded). Returns an UNSIGNED transaction {to, data, value, chainId} on Base; nothing happens until you sign it with your own wallet and broadcast it. Liquid never holds keys or funds.
stocks_sendread-onlyFree. Transfer your tokenized stock basket shares to any wallet or another agent; they can hold, sell or forward them, no vault needed. Returns an UNSIGNED transaction {to, data, value, chainId} on Base; nothing happens until you sign it with your own wallet and broadcast it. Liquid never holds keys or funds.
stocks_signals_prepareread-onlyReturns the x402 payment request for basket signals ($0.007 USDC on Base, Polygon or Arc): rebalancing signal, momentum and suggested weights for NVDA/META/AAPL/GOOGL in one call. Pay it with your own x402 client. This tool does not pay.
polymarket_prepareread-onlyReturns the x402 payment request for Polymarket crypto Up/Down data (BTC, ETH, SOL, XRP; 5m and 15m; $0.004 USDC on Base, Polygon or Arc): the OFFICIAL price to beat for the live 5m or 15m window (matched to the cent against Polymarket's results), the live Chainlink price and its distance from the price to beat, seconds left, token ids and market prices. Pass start (unix) for a past window's offic
polymarket_price_to_beatread-onlyPAID over x402 inside this tool call ($0.004 USDC on Base, Polygon or Arc): the OFFICIAL Polymarket price to beat for the live BTC, ETH, SOL or XRP 5m/15m Up/Down window (matched to every decimal against Polymarket), the live Chainlink price and its distance, seconds left, token ids and market prices. Call it once without payment to get the x402 PaymentRequired; your x402 wallet signs it and you c
shop_inforead-onlyFree. What the Mint & Marquee partner shop sells (custom 3D printed figurines, statues, keychains, bag tags; soccer, anime, crypto collections), its product count and price range, and how to search it.
shop_searchread-onlyPAID over x402 inside this tool call ($0.001 USDC on Arc, Base or Polygon): search the Mint & Marquee partner shop for gifts and collectibles. Returns products with price, photo, a short description and a link to buy. Show the person each product with its link, then the foundWith line once. Call once without payment to get the x402 PaymentRequired, then call again with the signed payment in _meta[
leads_countread-onlyFree. How many local businesses match a category and place, how many have an email at each grade (A/B/C), the top cities, and the exact price of the next page. Run this before leads_search.
leads_searchread-onlyPAID over x402 inside this tool call (USDC on Base or Arc, $0.03 per lead returned, flat, with or without an email; default 3 leads = $0.09; set sample=true for 3 free leads first; the PaymentRequired quotes the exact total; no leads, no charge): local businesses by category and place with a graded email (A/B/C), a contact name when the email shows one, phone, website, socials and buying signals (
leads_lookupread-onlyPAID over x402 inside this tool call ($0.01 USDC on Base or Arc per lookup that finds a business; no match, no charge): give a US phone number or a website and get the local business behind it: name, address, category, the best email graded A/B/C, a contact name when the email shows one, socials and buying signals. A website only matches when it carries the business's own phone number. Call once w
leads_techread-onlyPAID over x402 inside this tool call ($0.005 USDC on Base or Arc per lookup that finds a verified site; no match, no charge): give a website or a US phone number and get the site platform (WordPress, Wix, Squarespace, Shopify...), online booking tool (Square Appointments, Vagaro, Calendly, Zocdoc...), payment system (Square, Toast, Clover, Stripe...), hiring and socials, read from the business's o
stocks_signalsread-onlyPAID over x402 inside this tool call ($0.007 USDC on Base, Polygon or Arc): the whole stock basket's rebalancing signal in one call (returns, volatility, RSI, trend, relative strength and inverse-volatility target weights for NVDA, META, AAPL, GOOGL). Call once without payment to get the x402 PaymentRequired, then call again with the signed payment in _meta["x402/payment"].
stocks_publish_prepareread-onlyReturns the x402 payment request to publish a live, shareable portfolio page for a vault for 24 hours ($0.01 USDC on Base or Polygon). Pay it with your own x402 client. This tool does not pay.
usdc_balancesread-onlyFree. USDC balance (and native gas balance) of an address on every CCTP chain at once: Ethereum, Avalanche, OP Mainnet, Arbitrum, Base, Polygon PoS, Unichain, Linea, Sonic, World Chain, Arc. Use it before paying or bridging to see where your money is.
cctp_statusread-onlyFree. Status of ANY Circle CCTP v2 USDC transfer (not only Liquid's) by its burn transaction hash: attestation, whether it was minted on the destination, and exactly how to finish a stuck one (receiveMessage with the message and attestation). Chains: Ethereum, Avalanche, OP Mainnet, Arbitrum, Base, Polygon PoS, Unichain, Linea, Sonic, World Chain, Arc.
x402_checkread-onlyFree. Decode any x402 payment request (from a URL, a PAYMENT-REQUIRED header or a 402 body) into plain English with warnings, and optionally verify a signed payment (PAYMENT-SIGNATURE / X-PAYMENT header) the way a facilitator would: recipient, amount, time window, EIP-712 signature against the token's real domain, nonce reuse and balance. Every failed check comes with the fix.
payment_readinessread-onlyFree. One call to know if a wallet can pay an x402 endpoint right now: reads the endpoint's 402, checks the wallet's balance on each accepted network, and if it cannot pay, returns the cheapest fix (e.g. move USDC from the chain where it sits, with the exact bridge_quote arguments).
gas_sponsor_inforead-onlyFree. How to send a transaction on Base, Polygon or Solana with a wallet that holds USDC but no ETH/POL/SOL: the x402-paid gas sponsor, its price rule (from $0.03) and lanes.
liquid_guideread-onlyFree. Overview of every Liquid Agent service for agents (bridge, stocks, signals, gas sponsor), prices and where the full docs are.
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