Swapper - XMR to USDC swaps

Get XMR/USDC swap quote

get_quote

Read-onlyIdempotent

Step 1. Quote Monero (XMR) <-> native USDC on Arbitrum One; no account or API key. Creates no order. Quotes are estimates. Buy XMR ("get me 1 XMR"): {direction:"u2x", receiveAmount:"1"}. Sell XMR: {direction:"x2u", amount:"0.5"}. direction plus exactly one of amount (what the user sends) or receiveAmount (what they want). Pass to if known. Next: create_swap with next.arguments.

Input Schema

TableJSON Schema

Name	Required	Description
`to`	No	Destination from the user: x2u an Arbitrum One 0x address, u2x a Monero address. Never guess.
`basis`	No	receiveAmount met by the estimate (default) or the provider minimum (if published).
`chain`	No	Default arbitrum (42161).
`amount`	No	What the user SENDS (x2u: XMR, u2x: USDC). Digits and one dot; no commas or units.
`detail`	No
`agentKey`	No	Optional key from request_agent_key.
`direction`	No	Required. u2x: send USDC, get XMR. x2u: send XMR, get USDC.
`requoteOf`	No	Re-quote this quoteId's stored parameters; pass it alone.
`receiveAmount`	No	What the user wants to RECEIVE (u2x: XMR, x2u: USDC); needs direction.

Output Schema

TableJSON Schema

Name	Required	Description	Default
`ok`	Yes
`data`	No
`next`	Yes
`delta`	No
`error`	No
`quote`	No
`state`	No
`target`	No
`quoteId`	No
`agentKey`	No
`direction`	No
`operation`	Yes
`guaranteed`	No
`acceptUntil`	No
`destination`	No
`userMessage`	No
`expiresInSec`	No
`prerequisites`	No
`minimumSwapUsd`	No
`acceptWindowSec`	No
`belowProviderMinimum`	No

Schema Changelog

Changes observed during successful MCP inspections.

Changed2 schema fields changedOct 13, 2026

changedInput schema / properties / agentKey / description

Previous value: -"From request_agent_key: lower fee."New value: +"Optional key from request_agent_key."

changedInput schema / properties / basis / description

Previous value: -"receiveAmount target met by the estimate (default) or the provider minimum (only if one is published)."New value: +"receiveAmount met by the estimate (default) or the provider minimum (if published)."

Changed2 schema fields changedOct 13, 2026

addedInput schema / properties / agentKey

Added value: +{
+  "description": "From request_agent_key: lower fee.",
+  "pattern": "^swk_[a-f0-9]{40}$",
+  "type": "string"
+}

addedOutput schema / properties / agentKey

Added value: +{
+  "type": [
+    "object",
+    "null"
+  ]
+}

First observedOct 13, 2026

TDQS

Score is being calculated.

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