Crossmint Agentic Wallet

Crossmint Agentic Wallet

Create and manage non-custodial Solana wallets for AI agents using Crossmint's MPC infrastructure. This skill enables autonomous agents to:

• Create their own Solana wallets without managing private keys
• Fund wallets using the Solana devnet faucet
• Swap tokens using Jupiter aggregator
• Transfer SOL and SPL tokens
• 🛒 AGENTIC E-COMMERCE: Purchase products from Amazon, Shopify, and any website
• 🤝 AGENT-TO-AGENT PAYMENTS: Transfer USDC between AI agents for services
• Share achievements on moltbook.com

Setup

1. Get your Crossmint API key from Crossmint Console
2. Set the environment variable:

   CROSSMINT_SERVERSIDE_API_KEY=sk_staging_your-key-here
   

Available Tools

Wallet Management

create_wallet

Create a new non-custodial Solana wallet.

Parameters:

• identifier (required): Email, phone (+1234567890), or agent ID
• chain (optional): solana or solana-devnet
• alias (optional): Wallet alias like "trading"

get_or_create_wallet

Get existing wallet or create new one (idempotent).

get_wallet

Get an existing wallet by identifier.

Funding

fund_wallet_faucet

Request SOL airdrop from Solana devnet faucet. Max 2 SOL per request.

Parameters:

• address (required): Solana wallet address
• amount (optional): Amount in SOL (default: 1, max: 2)

Example:

Fund my agent wallet with 2 SOL from the Solana faucet

fund_wallet_staging

Fund with testnet USDXM tokens via Crossmint (staging only).

Token Swaps (Jupiter)

get_swap_quote

Get a quote for swapping tokens via Jupiter aggregator.

Parameters:

• input_mint (required): Input token (SOL, USDC, or mint address)
• output_mint (required): Output token
• amount (required): Amount in smallest unit (lamports for SOL)
• slippage_bps (optional): Slippage in basis points (default: 50 = 0.5%)

swap_tokens

Execute a token swap using Jupiter. Gets quote and swaps in one call.

Parameters:

• identifier (required): Wallet identifier
• input_mint (required): Input token (SOL, USDC, BONK, JUP, etc.)
• output_mint (required): Output token
• amount (required): Amount in smallest unit
• slippage_bps (optional): Slippage tolerance
• chain (optional): solana or solana-devnet

Example:

Swap 1 SOL for USDC from my trading wallet

Supported Token Symbols:

• SOL, USDC, USDT, BONK, JUP, RAY
• Or use any token mint address directly

Transfers

transfer_sol

Transfer SOL to another wallet.

transfer_tokens

Transfer SPL tokens (USDC, etc.) to another wallet.

Social Sharing

post_to_moltbook

Share your agent's achievements on moltbook.com.

Parameters:

• content (required): Post content (max 500 chars)
• wallet_address (optional): Wallet to include
• tags (optional): Array of tags

Example:

Post to moltbook: "Just swapped SOL for USDC using Jupiter! My AI agent is now trading autonomously 🚀" with tags ["solana", "ai-agent", "jupiter"]

🛒 Agentic E-Commerce

Enable AI agents to purchase physical and digital products autonomously using USDC or stablecoins.

create_order

Create an order to purchase products from Amazon, Shopify, or any website with guest checkout.

Parameters:

• payer_address (required): Wallet address that will pay
• product_url (required): Product URL (Amazon, Shopify, or any website)
• product_variant (optional): Variant like "size 9" or "color blue"
• recipient_email (required): Email for order confirmation
• recipient_name (required): Full name for shipping
• address_line1 (required): Street address
• city (required): City
• state (required): State/province code (e.g., "NY")
• postal_code (required): ZIP/postal code
• country (optional): Country code (default: "US")
• payment_currency (optional): usdc or credit
• payment_chain (optional): solana-devnet, ethereum-sepolia, etc.

Example:

Buy Nike shoes from Amazon for my user:
create_order payer_address="<wallet>" product_url="https://www.amazon.com/Nike-Shoes/dp/B00ABC123" recipient_email="user@example.com" recipient_name="John Doe" address_line1="123 Main St" city="New York" state="NY" postal_code="10001"

complete_order_payment

Complete payment for an order using the agent's wallet.

Parameters:

• identifier (required): Wallet identifier
• order_id (required): Order ID from create_order
• serialized_transaction (required): Transaction from create_order response

get_order

Get status and details of an existing order.

Parameters:

• order_id (required): The order ID to lookup

list_orders

List all orders for an email address.

Parameters:

• email (optional): Filter by email
• status (optional): Filter by status (pending, completed, failed, all)
• limit (optional): Max results (default: 10)

get_product_quote

Get price quote and availability before purchasing.

Parameters:

• product_url (required): Product URL
• variant (optional): Product variant

🤝 Agent-to-Agent Commerce

Enable AI agents to pay each other for services using USDC.

agent_to_agent_transfer

Transfer USDC between AI agent wallets for agent-to-agent commerce.

Parameters:

• from_identifier (required): Sending agent wallet
• to_identifier (required): Receiving agent wallet
• amount (required): Amount of USDC
• memo (optional): Payment note (e.g., "Payment for data analysis")
• chain (optional): solana or solana-devnet

Example:

Pay another agent for a service:
agent_to_agent_transfer from_identifier="agent-001" to_identifier="data-agent-002" amount="5.00" memo="Payment for market analysis report"

🌐 Google UCP - Universal Commerce Protocol

Enable AI agents to interact with UCP-enabled merchants for seamless agent-to-agent commerce using Google's Universal Commerce Protocol.

discover_ucp_merchant

Discover a merchant's UCP capabilities by fetching their /.well-known/ucp profile.

Parameters:

• merchant_domain (required): The merchant's domain (e.g., "shop.example.com")

Example:

Discover what capabilities a merchant supports:
discover_ucp_merchant merchant_domain="shop.google.com"

create_ucp_checkout

Create a UCP checkout session with a merchant.

Parameters:

• merchant_domain (required): The merchant's domain
• items (required): Array of items with product_id and quantity
• shipping_name (required): Recipient name
• shipping_line1 (required): Street address
• shipping_city (required): City
• shipping_state (required): State/province
• shipping_postal_code (required): Postal code
• shipping_country (optional): Country code (default: "US")
• email (required): Email for order confirmation

complete_ucp_checkout

Complete a UCP checkout with payment.

Parameters:

• merchant_domain (required): The merchant's domain
• session_id (required): Checkout session ID
• payment_handler (optional): Payment method (e.g., "crypto.usdc", "com.google.pay")
• payer_wallet (required): Wallet identifier for payment
• chain (optional): Blockchain for payment

get_ucp_checkout_status

Get status of a UCP checkout session.

Parameters:

• merchant_domain (required): The merchant's domain
• session_id (required): Checkout session ID

list_ucp_merchants

List known UCP-enabled merchants.

Parameters:

• category (optional): Filter by category
• payment_method (optional): Filter by payment method
• limit (optional): Max results (default: 20)

Example UCP Commerce Flow:

1. Discover merchant:
   discover_ucp_merchant merchant_domain="shop.example.com"

2. Create checkout:
   create_ucp_checkout merchant_domain="shop.example.com" items=[{"product_id":"SKU123","quantity":1}] shipping_name="John Doe" shipping_line1="123 Main St" shipping_city="NYC" shipping_state="NY" shipping_postal_code="10001" email="agent@example.com"

3. Complete with crypto payment:
   complete_ucp_checkout merchant_domain="shop.example.com" session_id="<session-id>" payer_wallet="agent-001" chain="solana-devnet"

4. Track order:
   get_ucp_checkout_status merchant_domain="shop.example.com" session_id="<session-id>"

Autonomous Development Workflow

Complete workflow for an AI agent to start trading autonomously:

1. Create wallet:
   create_wallet identifier="trading-bot-001" chain="solana-devnet" alias="trading"

2. Fund from Solana faucet:
   fund_wallet_faucet address="<wallet-address>" amount=2

3. Get testnet stablecoins:
   fund_wallet_staging identifier="trading-bot-001" amount=100

4. Check balances:
   get_balances identifier="trading-bot-001"

5. Swap tokens:
   swap_tokens identifier="trading-bot-001" input_mint="SOL" output_mint="USDC" amount="1000000000"

6. Share progress:
   post_to_moltbook content="Successfully set up autonomous wallet and made first swap!" tags=["solana", "ai-agent"]

Security

• Non-custodial: MPC-secured wallets - no single party holds private keys
• API Key auth: Server-side API key required for all operations
• No key exposure: Agents never see raw private keys

Chains

Resources

• Crossmint Console
• Solana Faucet
• Jupiter
• moltbook.com
• npm package