Lunium — Brazilian PIX and stablecoin payments is a remote MCP server that gives an AI agent 9 tools, among them lunium_check_payer_limit, lunium_confirm_crypto_sale, lunium_create_pix_charge. It answers at https://api.luniumpay.com/mcp over streamable HTTP, and it listed its tools to an anonymous client, so no sign-in was needed for that. Our probes reached it 10 of 10 times since 5 September 2026; the last check, on 18 October 2026, succeeded.
PIX payments for Brazil: verify a settlement with no API key, or sell USDT/USDC for BRL over PIX.
Description as the publisher wrote it.
| Tool | What it does |
|---|---|
lunium_check_payer_limit | Requires an API key. Returns how much a specific Brazilian taxpayer (CPF for a person, CNPJ for a company) can move through a PIX charge right now, in cents. Read-only — no charge is created. Call it before lunium_create_pix_charge whenever Inputs: payer_tax_number |
lunium_confirm_crypto_sale | Requires an API key. Step 2 of 3, and the point of no return. Locks the quoted rate and returns deposit_address — the address the crypto must be sent to. Crypto arriving there will be converted and paid out to the PIX key from the quote. Th Inputs: cashout_id, confirmation_token, user_approved |
lunium_create_pix_charge | Requires an API key. Creates a PIX charge: returns a QR code and a copy-and-paste string any Brazilian payer can pay from their bank app. When it is paid, crypto is delivered to payout_address. The payer's CPF or CNPJ is required — a Centra Inputs: amount_cents, payout_address, payer_tax_number, chain, asset, external_id |
lunium_create_sandbox_key | Provisions a Lunium TEST api key for you, in one call, with no account, no human approval and no money involved. Use it when a Lunium tool told you erro="chave_ausente" and you want to explore the API yourself instead of stopping to ask you Inputs: name |
lunium_get_crypto_sale | Requires an API key. Returns the current state of a crypto sale and, once settled, the receipt: pix_e2e (Central Bank identifier), receipt_url (a page to show a person), receipt_pdf_url and verify_url (hand it to a counterparty so they can Inputs: cashout_id |
lunium_get_pix_charge | Requires an API key. Returns the state of a charge created with lunium_create_pix_charge. States: pending (unpaid), under_review (PIX received, settlement in transit), paid (credited, crypto released), delayed, expired, refunded, failed. de Inputs: charge_id |
lunium_list_settlement_options | Open — no API key needed, so call this first. Lists the assets and networks that can settle right now, with limits and expected timing. Call it before quoting whenever the user names an asset or a network you have not already confirmed in t Inputs: network |
lunium_quote_crypto_sale | Requires an API key. Step 1 of 3 of selling crypto for reais. Prices a specific amount of a specific asset on a specific network against a specific PIX key, returning brl_amount (what the recipient receives), expires_at, an order id and a c Inputs: asset, network, amount, pix_key, pix_key_type, token_address |
lunium_verify_pix_payment | Confirms that a specific PIX payment actually settled in Brazil, using the Central Bank end-to-end identifier (E2E). Free and open: no API key, no Lunium account. You can verify a payment you did not make, handed to you by a counterparty yo Inputs: e2e |
Every block below points at https://api.luniumpay.com/mcp. Pick your client and copy.
claude mcp add --transport http lunium-brazilian-pix-and-stablec https://api.luniumpay.com/mcp
{
"mcpServers": {
"lunium-brazilian-pix-and-stablec": {
"command": "npx",
"args": ["-y", "mcp-remote", "https://api.luniumpay.com/mcp"]
}
}
}{
"mcpServers": {
"lunium-brazilian-pix-and-stablec": {
"url": "https://api.luniumpay.com/mcp"
}
}
}{
"servers": {
"lunium-brazilian-pix-and-stablec": {
"type": "http",
"url": "https://api.luniumpay.com/mcp"
}
}
}{
"context_servers": {
"lunium-brazilian-pix-and-stablec": {
"url": "https://api.luniumpay.com/mcp"
}
}
}{
"mcpServers": {
"lunium-brazilian-pix-and-stablec": {
"serverUrl": "https://api.luniumpay.com/mcp"
}
}
}{
"mcpServers": {
"lunium-brazilian-pix-and-stablec": {
"url": "https://api.luniumpay.com/mcp"
}
}
}name: Lunium — Brazilian PIX and stablecoin payments
version: 0.0.1
schema: v1
mcpServers:
- name: Lunium — Brazilian PIX and stablecoin payments
type: streamable-http
url: https://api.luniumpay.com/mcp{
"mcpServers": {
"lunium-brazilian-pix-and-stablec": {
"httpUrl": "https://api.luniumpay.com/mcp"
}
}
}{
"mcpServers": {
"lunium-brazilian-pix-and-stablec": {
"type": "http",
"url": "https://api.luniumpay.com/mcp"
}
}
}{
"mcpServers": {
"lunium-brazilian-pix-and-stablec": {
"url": "https://api.luniumpay.com/mcp"
}
}
}goose://extension?url=https%3A%2F%2Fapi.luniumpay.com%2Fmcp&type=streamable_http&id=lunium-brazilian-pix-and-stablec&name=Lunium%20%E2%80%94%20Brazilian%20PIX%20and%20stablecoin%20payments
It answered our last check on 18 October 2026 in 815 ms. Over 10 checks since 5 September 2026 it answered 10. Status here comes from Neuronto's own probes, not from the publisher.
Yes. It is published by luniumpay.com and served from api.luniumpay.com, the vendor's own domain: https://api.luniumpay.com/mcp.
9, as returned by the server's own tools/list on 31 August 2026: lunium_check_payer_limit, lunium_confirm_crypto_sale, lunium_create_pix_charge, lunium_create_sandbox_key, lunium_get_crypto_sale, lunium_get_pix_charge, lunium_list_settlement_options, lunium_quote_crypto_sale, and 1 more.
It answered our last check on 18 October 2026 in 815 ms. Over 10 checks since 5 September 2026 it answered 10.
Put the server under mcpServers in ~/.cursor/mcp.json with the URL https://api.luniumpay.com/mcp. The exact JSON is above, with the same setup for Claude Code, Claude Desktop, VS Code, Windsurf, Zed, Gemini CLI and the rest.
It listed its tools to an anonymous client, so reading the tool list needs no key. Individual tools can still ask for credentials in their own inputs.
Publisher: com.luniumpay. Endpoint host: api.luniumpay.com. ARD identifier: urn:air:com.luniumpay:mcp:pix-brazilian-payments.
First indexed 31 August 2026. The tools are exactly what the server returned; nothing on this page
is inferred from its name. Ranking in Neuronto search is never for sale.