Swapper - XMR to USDC swaps

by xmrtousdc.xyz · remote · no sign-in to list tools · v0.6.0 · published by xyz.xmrtousdc

Swap Monero (XMR) <-> native USDC on Arbitrum One. No account or API key required. For AI agents.

Final · 2Changes · 3

Compare Registry entry

11 tools: 2 do something that can't be undone, 3 change things and 6 only read.

Scanned Oct 21, 2026

Deletes or cancels0Claude Code: deny
Can't be undone2Claude Code: ask: see these tools
Changes things3Claude Code: ask: see these tools
Only reads6Claude Code: allow: see these tools

1 check matched something in the tool definitions. No finding is not a safety guarantee. How the checks work.

claude mcp add --transport http monero-swap https://xmrtousdc.xyz/mcp

Findings

Matches of fixed checks, with the text they matched.

1 warn

Warnplan_swap
The server marks "plan_swap" read-only (readOnlyHint: true), and its own name, description or input give the class "irreversible".
Matched text
annotations: {"readOnlyHint":true,"destructiveHint":false,"idempotentHint":true,"openWorldHint":false}; The input addresses people (input.to): what it sends cannot be taken back.
What this check looks for

Tools

Open a tool for its reasons and full description. Descriptions are the publisher's own words, shown as they are.

11 tools

Can't be undone 2Sends, pays, publishes or merges: once done, it cannot be taken back.Claude Code: ask

create_swapStep 2.No findings
Why it is in this group
- The name "create_swap" says "create": a word for a change.
- The input addresses people (input.to): what it sends cannot be taken back.
Description, as the server wrote it
Step 2. Creates the order from get_quote's next.arguments (quoteId, plus to if the quote had none): one order per quote; moves no funds. An order cannot be cancelled; unfunded, it expires. Retry with the same arguments: the default idempotencyKey returns the same order. Fund once, only while payable is true: before signing deposit.payment, get_swap_status {orderId, payment} must return paymentCheck.safeToSend. Next: get_swap_status.
Annotations the server declares
- readOnlyHint: false
- destructiveHint: false
- idempotentHint: true
- openWorldHint: true
plan_swapOptional, offline.1 finding
Why it is in this group
- The input addresses people (input.to): what it sends cannot be taken back.
- The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.
Findings
- Warn
  The server marks "plan_swap" read-only (readOnlyHint: true), and its own name, description or input give the class "irreversible".
  Matched text
  annotations: {"readOnlyHint":true,"destructiveHint":false,"idempotentHint":true,"openWorldHint":false}; The input addresses people (input.to): what it sends cannot be taken back.
  What this check looks for
Description, as the server wrote it
Optional, offline. Checks a partial request (direction, amount or receiveAmount, to) and returns the next question for the user. Skip it when you have what get_quote needs.
Annotations the server declares
- readOnlyHint: true
- destructiveHint: false
- idempotentHint: true
- openWorldHint: false

Changes things 3Creates or changes something that can be changed back.Claude Code: ask

create_support_ticketStuck or failed swap, or a question: Support answers (get_support_ticket).No findings
Why it is in this group
- The name "create_support_ticket" says "create": a word for a change.
Description, as the server wrote it
Stuck or failed swap, or a question: Support answers (get_support_ticket). Follow up with ticketId + replyToken. Never seed phrases or keys.
Annotations the server declares
- readOnlyHint: false
- destructiveHint: false
- idempotentHint: false
- openWorldHint: true
request_agent_keyOptional.No findings
Why it is in this group
- The name "request_agent_key" says "request": a word for a change.
Description, as the server wrote it
Optional. Issues a key that identifies this agent; quotes made with it (get_quote agentKey) and their orders use the agent fee (swapper://trust). The operator sees the name and contact given.
Annotations the server declares
- readOnlyHint: false
- destructiveHint: false
- idempotentHint: false
- openWorldHint: true
submit_feedbackOptional, after a swap: a rating 1-5 and a comment.No findings
Why it is in this group
- The name "submit_feedback" says "submit": a word for a change.
Description, as the server wrote it
Optional, after a swap: a rating 1-5 and a comment. The published average counts one rating per completed Swapper order; a comment marked publishable is shown after operator review.
Annotations the server declares
- readOnlyHint: false
- destructiveHint: false
- idempotentHint: false
- openWorldHint: true

Only reads 6Looks things up and changes nothing.Claude Code: allow

get_capabilitiesOptional.No findings
Why it is in this group
- The name "get_capabilities" says "get": a word for reading.
Description, as the server wrote it
Optional. Chains, limits (provider minimum, USD), quote window, idempotency, validation rules, polling and the flow.
Annotations the server declares
- readOnlyHint: true
- destructiveHint: false
- idempotentHint: true
- openWorldHint: true
get_funding_optionsOffline.No findings
Why it is in this group
- The name "get_funding_options" says "get": a word for reading.
Description, as the server wrote it
Offline. How to get what the user sends: native USDC (not USDC.e) plus a little ETH for gas on Arbitrum One (u2x, default), or XMR in their own wallet (x2u). Pass from {chain, asset} (and amount) for one ordered checklist: quote, fund, re-quote (requoteOf).
Annotations the server declares
- readOnlyHint: true
- destructiveHint: false
- idempotentHint: true
- openWorldHint: false
get_quoteStep 1.No findings
Why it is in this group
- The name "get_quote" says "get": a word for reading.
Description, as the server wrote it
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.
Annotations the server declares
- readOnlyHint: true
- destructiveHint: false
- idempotentHint: true
- openWorldHint: true
get_support_ticketSupport's answer on your ticket: status, awaiting, thread.No findings
Why it is in this group
- The name "get_support_ticket" says "get": a word for reading.
Description, as the server wrote it
Support's answer on your ticket: status, awaiting, thread. Answers take minutes to hours.
Annotations the server declares
- readOnlyHint: true
- destructiveHint: false
- idempotentHint: true
- openWorldHint: true
get_swap_statusStep 3.No findings
Why it is in this group
- The name "get_swap_status" says "get": a word for reading.
Description, as the server wrote it
Step 3. waiting_for_funding -> deposit_detected -> swap_processing -> completed, or refunding / terminal_failure (outcome refunded, failed, expired). Long-poll with waitSec 25 and sinceState = the last state; repeat next until terminal. Call it before funding or showing a deposit again. payment: what your wallet will sign; sign only if paymentCheck.safeToSend.
Annotations the server declares
- readOnlyHint: true
- destructiveHint: false
- idempotentHint: true
- openWorldHint: true
list_swapsFind orders when the orderId is lost (new chat, crash, unknown create outcome): pass the idempotencyKey create_swap used (default q_<quoteId>), or a sessionId.No findings
Why it is in this group
- The name "list_swaps" says "list": a word for reading.
Description, as the server wrote it
Find orders when the orderId is lost (new chat, crash, unknown create outcome): pass the idempotencyKey create_swap used (default q_<quoteId>), or a sessionId. Read-only; addresses redacted; states can lag. Next: get_swap_status (live state, payable).
Annotations the server declares
- readOnlyHint: true
- destructiveHint: false
- idempotentHint: true
- openWorldHint: true

This is not a safety rating, and no finding is not a safety guarantee. The groups and findings come from fixed checks of the tool definitions the server returned on the date shown, not from its code or what it does when called. How the checks work.

Install

Pinned to version 0.6.0. Values in angle brackets are yours to fill in.

claude mcp add --transport http monero-swap https://xmrtousdc.xyz/mcp

Run in a terminal.

Claude Code permissions

Allow the reads, ask before a change, deny the deletes. Paste into .claude/settings.json.

.claude/settings.json

{
  "permissions": {
    "allow": [
      "mcp__monero-swap__get_quote",
      "mcp__monero-swap__get_swap_status",
      "mcp__monero-swap__get_funding_options",
      "mcp__monero-swap__list_swaps",
      "mcp__monero-swap__get_capabilities",
      "mcp__monero-swap__get_support_ticket"
    ],
    "ask": [
      "mcp__monero-swap__create_swap",
      "mcp__monero-swap__plan_swap",
      "mcp__monero-swap__create_support_ticket",
      "mcp__monero-swap__submit_feedback",
      "mcp__monero-swap__request_agent_key"
    ],
    "deny": []
  }
}

Tools that only read are allowed, tools that change things ask first, tools that delete or cancel are denied. It assumes the server is installed as monero-swap. Review it before you use it.

Keep track

Get told when this server's tools change: a new tool, a new description, a new class.

https://anlyon.dev/servers/xyz.xmrtousdc/monero-swap/changes.xml

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Anlyon alternative

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Source: MCP Registry. Synced Oct 21, 2026, 18:55 UTC.

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