Swaplume

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Compare live rates across instant crypto exchanges and create swaps at the best one. No API key.

Crypto & Web3

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{
  "_meta": {
    "io.modelcontextprotocol.registry/official": {
      "status": "active",
      "isLatest": true,
      "updatedAt": "2026-11-13T17:51:45.521963Z",
      "publishedAt": "2026-11-13T17:51:45.521963Z",
      "statusChangedAt": "2026-11-13T17:51:45.521963Z"
    }
  },
  "server": {
    "name": "com.swaplume/mcp",
    "icons": [
      {
        "src": "https://swaplume.com/logo.svg",
        "mimeType": "image/svg+xml"
      }
    ],
    "title": "Swaplume",
    "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
    "remotes": [
      {
        "url": "https://api.swaplume.com/mcp",
        "type": "streamable-http"
      }
    ],
    "version": "0.1.0",
    "websiteUrl": "https://swaplume.com/developers",
    "description": "Compare live rates across instant crypto exchanges and create swaps at the best one. No API key."
  }
}

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Try it

Call this server's tools from your browser. Nothing to install.

https://api.swaplume.com/mcp

Requests go through mcptry because browsers can't call most MCP servers directly. Header values are sent to the server for that request only and are never stored or logged.

Tool list from our last check. Connect live to refresh it.

create_swap

Create the swap and get the deposit address. No funds move here: the user then sends amount_from of from_asset to deposit_address (with deposit_extra_id as the memo, when present), as instructions says. Follow it with get_swap.

addressstring, required

The user's payout address for to_asset, as they gave it.

to_assetstring, required

Asset the user receives.

from_assetstring, required

Asset the user sends.

emailstring

The user's email, when the chosen quote has email_required.

amountstring

Amount of from_asset the user sends. Pass this or amount_to.

rate_idstring

The chosen quote's rate_id (fixed rate).

extra_idstring

Memo/tag for the payout address, if the user's wallet needs one (XRP, XLM...).

providerstring

The chosen quote's provider. Without it: the best quote now, then the next best, among exchanges without a notice.

amount_tostring

Exact amount of to_asset to receive, instead of amount (fixed rate only): the result's amount_from is what the user must send.

rate_typestring

'float' or 'fixed'. Default float, or fixed with amount_to.

to_networkstring

Network of to_asset, when its ticker is on several.

from_networkstring

Network of from_asset, when its ticker is on several.

refund_addressstring

The user's from_asset address, for a refund if the swap fails.

idempotency_keystring

A UUID made once per swap. A retry with the same one and the same arguments returns the swap already made.

refund_extra_idstring

Memo/tag for the refund address.

This tool isn't marked read-only, so it may change something on the server or in an account you connected.

I understand, run it anyway

Try it

Call this server's tools from your browser. Nothing to install.

https://api.swaplume.com/mcp

Requests go through mcptry because browsers can't call most MCP servers directly. Header values are sent to the server for that request only and are never stored or logged.

Tool list from our last check. Connect live to refresh it.

create_swap

addressstring, required

The user's payout address for to_asset, as they gave it.

to_assetstring, required

Asset the user receives.

from_assetstring, required

Asset the user sends.

emailstring

The user's email, when the chosen quote has email_required.

amountstring

Amount of from_asset the user sends. Pass this or amount_to.

rate_idstring

The chosen quote's rate_id (fixed rate).

extra_idstring

Memo/tag for the payout address, if the user's wallet needs one (XRP, XLM...).

providerstring

The chosen quote's provider. Without it: the best quote now, then the next best, among exchanges without a notice.

amount_tostring

Exact amount of to_asset to receive, instead of amount (fixed rate only): the result's amount_from is what the user must send.

rate_typestring

'float' or 'fixed'. Default float, or fixed with amount_to.

to_networkstring

Network of to_asset, when its ticker is on several.

from_networkstring

Network of from_asset, when its ticker is on several.

refund_addressstring

The user's from_asset address, for a refund if the swap fails.

idempotency_keystring

A UUID made once per swap. A retry with the same one and the same arguments returns the swap already made.

refund_extra_idstring

Memo/tag for the refund address.

This tool isn't marked read-only, so it may change something on the server or in an account you connected.

I understand, run it anyway

Tools (6)

create_swap

Argument	Type	Description
email	string	The user's email, when the chosen quote has email_required.
amount	string	Amount of from_asset the user sends. Pass this or amount_to.
address*	string	The user's payout address for to_asset, as they gave it.
rate_id	string	The chosen quote's rate_id (fixed rate).
extra_id	string	Memo/tag for the payout address, if the user's wallet needs one (XRP, XLM...).
provider	string	The chosen quote's provider. Without it: the best quote now, then the next best, among exchanges without a notice.
to_asset*	string	Asset the user receives.
amount_to	string	Exact amount of to_asset to receive, instead of amount (fixed rate only): the result's amount_from is what the user must send.
rate_type	any	'float' or 'fixed'. Default float, or fixed with amount_to.
from_asset*	string	Asset the user sends.
to_network	string	Network of to_asset, when its ticker is on several.
from_network	string	Network of from_asset, when its ticker is on several.
refund_address	string	The user's from_asset address, for a refund if the swap fails.
idempotency_key	string	A UUID made once per swap. A retry with the same one and the same arguments returns the swap already made.
refund_extra_id	string	Memo/tag for the refund address.

Input schema (JSON)

{
  "type": "object",
  "$defs": {
    "RateType": {
      "enum": [
        "float",
        "fixed"
      ],
      "type": "string",
      "description": "`float`: the market rate when the deposit arrives. `fixed`: what you receive is locked when the swap is\ncreated, usually at a slightly worse rate."
    }
  },
  "required": [
    "from_asset",
    "to_asset",
    "address"
  ],
  "properties": {
    "email": {
      "type": "string",
      "maxLength": 254,
      "description": "The user's email, when the chosen quote has email_required."
    },
    "amount": {
      "type": "string",
      "pattern": "^\\d+(\\.\\d+)?$",
      "examples": [
        "0.1"
      ],
      "description": "Amount of from_asset the user sends. Pass this or amount_to."
    },
    "address": {
      "type": "string",
      "maxLength": 256,
      "minLength": 4,
      "description": "The user's payout address for to_asset, as they gave it."
    },
    "rate_id": {
      "type": "string",
      "maxLength": 1024,
      "description": "The chosen quote's rate_id (fixed rate)."
    },
    "extra_id": {
      "type": "string",
      "maxLength": 128,
      "description": "Memo/tag for the payout address, if the user's wallet needs one (XRP, XLM...)."
    },
    "provider": {
      "type": "string",
      "maxLength": 32,
      "description": "The chosen quote's provider. Without it: the best quote now, then the next best, among exchanges without a notice."
    },
    "to_asset": {
      "type": "string",
      "maxLength": 64,
      "minLength": 1,
      "description": "Asset the user receives."
    },
    "amount_to": {
      "type": "string",
      "pattern": "^\\d+(\\.\\d+)?$",
      "examples": [
        "0.1"
      ],
      "description": "Exact amount of to_asset to receive, instead of amount (fixed rate only): the result's amount_from is what the user must send."
    },
    "rate_type": {
      "$ref": "#/$defs/RateType",
      "description": "'float' or 'fixed'. Default float, or fixed with amount_to."
    },
    "from_asset": {
      "type": "string",
      "maxLength": 64,
      "minLength": 1,
      "description": "Asset the user sends."
    },
    "to_network": {
      "type": "string",
      "maxLength": 64,
      "description": "Network of to_asset, when its ticker is on several."
    },
    "from_network": {
      "type": "string",
      "maxLength": 64,
      "description": "Network of from_asset, when its ticker is on several."
    },
    "refund_address": {
      "type": "string",
      "maxLength": 256,
      "description": "The user's from_asset address, for a refund if the swap fails."
    },
    "idempotency_key": {
      "type": "string",
      "maxLength": 255,
      "description": "A UUID made once per swap. A retry with the same one and the same arguments returns the swap already made."
    },
    "refund_extra_id": {
      "type": "string",
      "maxLength": 128,
      "description": "Memo/tag for the refund address."
    }
  }
}

get_quotes

Compare every exchange's offer for a swap, best first. In each quote, amount_to is what the user receives after all fees. With amount_to given instead of amount, quotes are sorted by amount_from, what the user sends. errors lists the exchanges that can't, and why (with their min/max when the amount is out of range); with no quote at all, limits has the widest min/max: suggest an amount inside it. savings_pct: how much more the best quote gives than the worst. Ask again after refresh_after seconds, not sooner.

read-only

Argument	Type	Description
amount	string	Amount of from_asset to send. Pass this or amount_to.
to_asset*	string	Asset to receive, as from_asset.
amount_to	string	Exact amount of to_asset to receive, instead of amount (fixed rate only).
providers	array	Only ask these exchanges (ids from list_providers).
rate_type	any	'float': the market rate when the deposit arrives, usually more. 'fixed': an amount guaranteed for a short time. Default float, or fixed with amount_to.
from_asset*	string	Asset to send: 'btc', 'usdt:trx', or a ticker with from_network.
to_network

get_swap

A swap's live status: waiting (for the deposit), confirming, exchanging, sending, finished, failed, refunding, refunded, expired, verifying (held for an ID check), action_required or unknown. instructions is the next step, for the user. Read it again after poll_after seconds, not sooner (each read asks the exchange), until is_final.

read-only

Argument	Type	Description
swap_id*	string	The id create_swap returned ('sw_...').

Input schema (JSON)

{
  "type": "object",
  "required": [
    "swap_id"
  ],
  "properties": {
    "swap_id": {
      "type": "string",
      "pattern": "^sw_[a-z0-9]+$",
      "maxLength": 40,
      "minLength": 4,
      "description": "The id create_swap returned ('sw_...')."
    }
  }
}

list_currencies

Find assets and their networks. Each id ('ticker:network') works as from_asset or to_asset. contract: the token's address; extra_id_name: the asset uses a memo/tag.

read-only

Argument	Type	Description
limit	integer	How many matches to list (count has the total).
search	string	Part of a ticker or name ('usd', 'doge').
ticker	string	Exact ticker ('usdt'): lists every network it's on.
network	string	Network code or name ('trx', 'tron', 'solana').
provider	string	Only assets this exchange supports.

Input schema (JSON)

{
  "type": "object",
  "properties": {
    "limit": {
      "type": "integer",
      "default": 50,
      "maximum": 500,
      "minimum": 1,
      "description": "How many matches to list (count has the total)."
    },
    "search": {
      "type": "string",
      "maxLength": 64,
      "description": "Part of a ticker or name ('usd', 'doge')."
    },
    "ticker": {
      "type": "string",
      "maxLength": 32,
      "description": "Exact ticker ('usdt'): lists every network it's on."
    },
    "network": {
      "type": "string",
      "maxLength": 64,
      "description": "Network code or name ('trx', 'tron', 'solana')."
    },
    "provider": {
      "type": "string",
      "maxLength": 32,
      "description": "Only assets this exchange supports."
    }
  }
}

list_providers

The exchanges compared, with what each asks of a swap (email_required, refund_address_required...), kyc, ip_shared, ip_kept and notice.

read-only

No arguments.

Input schema (JSON)

{
  "type": "object",
  "properties": {}
}

validate_address

Check a payout or refund address (create_swap runs the same check). valid: true; false: show reason to the user and ask again; null: this network's format isn't checked here. extra_id_name: the asset uses a memo/tag.

read-only

Argument	Type	Description
asset*	string	Asset the address receives: 'usdt:trx', 'btc'...
address*	string	The address, as the user gave it.
network	string	Network of asset, when its ticker is on several.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "asset",
    "address"
  ],
  "properties": {
    "asset": {
      "type": "string",
      "maxLength": 64,
      "minLength": 1,
      "description": "Asset the address receives: 'usdt:trx', 'btc'..."
    },
    "address": {
      "type": "string",
      "maxLength": 256,
      "description": "The address, as the user gave it."
    },
    "network": {
      "type": "string",
      "maxLength": 64,
      "description": "Network of asset, when its ticker is on several."
    }
  }
}

Swaplume

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create_swap

Swaplume

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create_swap

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Tools (6)

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