Uniswap Submit Limit Order

Submit a UniswapX Dutch auction limit order. Use when user wants to set a limit price, get MEV-protected execution, or submit an order that fills at the best available price. No gas cost until filled.

Submit Limit Order

Submit a gasless UniswapX Dutch auction limit order.

Activation

Use this skill when the user says any of:

• "Set a limit order"
• "Buy X at price Y"
• "Submit a UniswapX order"
• "Limit buy/sell"

Input Extraction

Parameter	Required	Default	Source
tokenIn	Yes	—	Token name/symbol
tokenOut	Yes	—	Token name/symbol
amount	Yes	—	Numeric value
chain	No	ethereum	Chain name
limitPrice	No	market price	Target price
expiry	No	5 minutes	Duration for Dutch auction decay

Workflow

1. Validate inputs: Check token allowlist, spending limits, and UniswapX support on the target chain.

2. Get current market price: Call get_quote to establish the baseline price.

3. Submit order: Call submit_uniswapx_order with:

   • tokenIn, tokenOut, amount, chain
   • orderType: "dutch" (default) or "priority"

4. Monitor (optional): Poll get_uniswapx_order_status until filled, expired, or cancelled.

5. Report:

text

Limit Order Submitted (UniswapX Dutch Auction)

  Input:   1,000 USDC
  Target:  0.310 WETH (limit: 1 WETH = $3,225)
  Decay:   $3,225 → $3,200 over 5 minutes
  Status:  PENDING
  Order:   0xORDER_HASH...

  Gas: $0.00 (gasless until filled)
  Monitoring: Will report when filled or expired.

Error Handling

Error	User Message	Suggested Action
UNISWAPX_NOT_SUPPORTED	"UniswapX not available on [chain]."	Use supported chain or execute-swap
ORDER_EXPIRED	"Order expired without fill."	Adjust limit price or increase expiry
SAFETY_TOKEN_NOT_ALLOWED	"TOKEN is not on allowlist."	Add token to config