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From tenequm-skills
Integrates Privy auth, embedded wallets, and agent payment protocols (x402, MPP) into web/agentic apps. Covers React SDK, Node.js SDK, smart wallets (ERC-4337), Tempo, agentic wallet policies.
How this skill is triggered — by the user, by Claude, or both
Slash command
/tenequm-skills:privy-integrationThe summary Claude sees in its skill listing — used to decide when to auto-load this skill
Privy provides authentication and wallet infrastructure for apps built on crypto rails. Embed self-custodial wallets, authenticate users via email/SMS/socials/passkeys/wallets, and transact on EVM and Solana chains. Also supports agent payment protocols (x402, MPP) and autonomous agentic wallets.
Privy provides authentication and wallet infrastructure for apps built on crypto rails. Embed self-custodial wallets, authenticate users via email/SMS/socials/passkeys/wallets, and transact on EVM and Solana chains. Also supports agent payment protocols (x402, MPP) and autonomous agentic wallets.
Key packages:
@privy-io/react-auth - React SDK (auth + wallets + x402)@privy-io/react-auth/solana - Solana wallet hooks@privy-io/react-auth/smart-wallets - Smart wallets (ERC-4337)@privy-io/wagmi - wagmi v2 connector@privy-io/node - Server-side SDK (replaces deprecated @privy-io/server-auth)mppx - MPP client/server SDK (settles on Tempo)Docs: Privy ships an official agent skill - npx skills add https://docs.privy.io (or fetch https://docs.privy.io/skill.md). The machine-readable doc index is https://docs.privy.io/llms-full.txt (plus sitemap.xml); llms.txt now only points to the skill installer. Privy restructures docs often - do not guess URLs, they 404.
Setting up Privy auth in a React app? -> Quick Start below, then references/react-sdk.md Adding wagmi/viem to a Privy app? -> Wagmi Integration below, then references/react-sdk.md Working server-side (Node.js)? -> Server-Side section below, then references/server-sdk.md Adding x402 or MPP payments? -> x402/MPP sections below, then references/agent-payments.md Building agentic wallets or agent auth? -> Agentic Wallets below, then references/agent-auth.md Solana-specific integration? -> references/solana.md Wallet management (smart wallets, policies, funding)? -> references/wallets.md Wallet actions (DeFi earn, swap, cross-chain transfer/bridge)? -> Wallet Actions in references/wallets.md
npm i @privy-io/react-auth
'use client';
import {PrivyProvider} from '@privy-io/react-auth';
export default function Providers({children}: {children: React.ReactNode}) {
return (
<PrivyProvider
appId={process.env.NEXT_PUBLIC_PRIVY_APP_ID!}
config={{
embeddedWallets: {
ethereum: {createOnLogin: 'users-without-wallets'}
}
}}
>
{children}
</PrivyProvider>
);
}
import {usePrivy} from '@privy-io/react-auth';
function App() {
const {ready, authenticated, user} = usePrivy();
if (!ready) return <div>Loading...</div>;
// Safe to use Privy hooks now
}
import {useLoginWithEmail} from '@privy-io/react-auth';
function LoginForm() {
const {sendCode, loginWithCode} = useLoginWithEmail();
// sendCode({email}) then loginWithCode({code})
}
import {useSendTransaction} from '@privy-io/react-auth';
function SendButton() {
const {sendTransaction} = useSendTransaction();
return (
<button onClick={() => sendTransaction({to: '0x...', value: 100000})}>
Send
</button>
);
}
config={{
// Auth methods enabled for login
loginMethods: ['email', 'sms', 'wallet', 'google', 'apple', 'twitter',
'github', 'discord', 'farcaster', 'telegram', 'passkey'],
// Embedded wallet creation
embeddedWallets: {
ethereum: {createOnLogin: 'users-without-wallets'}, // or 'all-users' | 'off'
solana: {createOnLogin: 'users-without-wallets'}
},
// UI appearance
appearance: {
showWalletLoginFirst: false,
walletChainType: 'ethereum-and-solana', // or 'ethereum-only' | 'solana-only'
theme: 'light', // or 'dark'
accentColor: '#6A6FF5',
logo: 'https://your-logo.png'
},
// External wallet connectors (Solana)
externalWallets: {
solana: {connectors: toSolanaWalletConnectors()}
},
// Solana RPC config (required for embedded wallet UIs)
solana: {
rpcs: {
'solana:mainnet': {
rpc: createSolanaRpc('https://api.mainnet-beta.solana.com'),
rpcSubscriptions: createSolanaRpcSubscriptions('wss://api.mainnet-beta.solana.com')
}
}
}
}}
Import createConfig and WagmiProvider from @privy-io/wagmi (NOT from wagmi).
npm i @privy-io/react-auth @privy-io/wagmi wagmi @tanstack/react-query
import {PrivyProvider} from '@privy-io/react-auth';
import {WagmiProvider, createConfig} from '@privy-io/wagmi';
import {QueryClient, QueryClientProvider} from '@tanstack/react-query';
import {mainnet, base} from 'viem/chains';
import {http} from 'wagmi';
const queryClient = new QueryClient();
const wagmiConfig = createConfig({
chains: [mainnet, base],
transports: {[mainnet.id]: http(), [base.id]: http()}
});
// Nesting order: PrivyProvider > QueryClientProvider > WagmiProvider
export default function Providers({children}: {children: React.ReactNode}) {
return (
<PrivyProvider appId="your-app-id" config={privyConfig}>
<QueryClientProvider client={queryClient}>
<WagmiProvider config={wagmiConfig}>{children}</WagmiProvider>
</QueryClientProvider>
</PrivyProvider>
);
}
Use wagmi hooks (useAccount, useSendTransaction, etc.) for read/write actions. Use Privy hooks for wallet connection/creation.
npm i @privy-io/node
import {PrivyClient} from '@privy-io/node';
const privy = new PrivyClient({
appId: process.env.PRIVY_APP_ID!,
appSecret: process.env.PRIVY_APP_SECRET!
});
// Verify access token from Authorization header
// (top-level privy.verifyAuthToken is deprecated - use utils().auth())
const {userId} = await privy.utils().auth().verifyAccessToken(accessToken);
All auth flows can be fully whitelabeled with custom UI. Key hooks:
| Hook | Auth method |
|---|---|
useLoginWithEmail | Email OTP (sendCode, loginWithCode) |
useLoginWithSms | SMS OTP |
useLoginWithOAuth | Social logins (initOAuth({provider: 'google'})) |
useLoginWithPasskey | Passkeys |
useSignupWithPasskey | Passkey signup |
useLoginWithTelegram | Telegram |
useLogin | General login with callbacks |
Footgun: whitelabel flows (useLoginWithEmail, etc.) call Privy directly from the app domain, so they silently fail if that domain is not in the Dashboard's Allowed Origins/Domains - the hosted modal (usePrivy().login()) still works, masking the issue. Add every local dev port (e.g. localhost:5173) too. useLoginWithEmail's onError returns a rich object, not {message} - log the whole thing to see the real rejection.
Built into @privy-io/react-auth since v3.7.0. Handles HTTP 402 payment flows automatically using USDC.
import {useX402Fetch, useWallets} from '@privy-io/react-auth';
function PaidContent() {
const {wallets} = useWallets();
const {wrapFetchWithPayment} = useX402Fetch();
const fetchContent = async () => {
const fetchWithPayment = wrapFetchWithPayment({
walletAddress: wallets[0]?.address,
fetch,
maxValue: BigInt(1000000) // Max 1 USDC
});
const res = await fetchWithPayment('https://api.example.com/premium');
return res.json();
};
}
Server-side (Node.js):
import {createX402Client} from '@privy-io/node/x402';
import {wrapFetchWithPayment} from '@x402/fetch';
const x402client = createX402Client(privy, {walletId: wallet.id, address: wallet.address});
const fetchWithPayment = wrapFetchWithPayment(fetch, x402client);
const response = await fetchWithPayment('https://api.example.com/premium');
MPP (Machine Payments Protocol) settles on Tempo using stablecoins (PathUSD, USDC, or others). Supports sessions for high-frequency payments.
import {Mppx, tempo} from 'mppx/client';
// Create Privy-backed viem account (see references/agent-payments.md for full pattern)
const account = createPrivyAccount(wallet.id, wallet.address);
const mppx = Mppx.create({polyfill: false, methods: [tempo({account})]});
const response = await mppx.fetch('https://api.example.com/weather');
Server-controlled wallets with policy-based constraints for autonomous agents.
// Create agent wallet
const wallet = await privy.wallets().create({chain_type: 'ethereum'});
// Execute transactions - validated against attached policies
const {hash} = await privy.wallets().ethereum().sendTransaction(wallet.id, {
caip2: 'eip155:8453',
params: {transaction: {to: '0x...', value: '0x1', chain_id: 8453}}
});
Two control models: agent-controlled (fully autonomous, developer-owned) and user-owned with agent signers (user retains revocation authority). See references/agent-auth.md for policy examples and setup.
Read the appropriate reference file for detailed integration guides:
@privy-io/node), token types and verification, user management API, REST API, webhooksnpx claudepluginhub tenequm/skillsIntegrates Circle's user-controlled wallets SDK for non-custodial wallet creation, social/OTP/PIN auth, token transfers, message signing, and smart contract execution.
Gives Claude Code its own EVM wallet with admin-defined policies enforced at the tool layer, preventing prompt injection-based theft. Features encrypted keystore and policy gate.
Wires Alchemy into application code without an API key, using x402/MPP gateway with wallet-based auth (SIWE/SIWS) and per-request payments (USDC or credit card).