Nubank MCP Server

Uses OAuth2 client credentials flow with mTLS certificate. Register your application through Nubank's Open Finance portal to obtain credentials. Its 22 documented tools cover pix, card, credit, transactions.

People connecting finance tools to Claude, Cursor, VS Code, or another MCP client. The project is written in JavaScript.

One of 127 MCP servers published from codespar/mcp-dev-latam. Stars and repository activity are shared across all of them. See all 127 →

VERIFIED ACTIVE

LAST COMMIT 2026-08-12 · VERIFIED 2026-08-25

MIT · JavaScript servers · how we verify → /methodology

01 · Install Nubank

before you install - you'll need

Set NUBANK_CLIENT_ID, NUBANK_CLIENT_SECRET, NUBANK_CERT_PATH, MCP_HTTP before connecting.

Claude Code

claude mcp add codespar-mcp-dev-latam-packages-payments -- npx -y @codespar/mcp-nubank

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "codespar-mcp-dev-latam-packages-payments": {
      "command": "npx",
      "args": [
        "-y",
        "@codespar/mcp-nubank"
      ]
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as local process (stdio) - runs on your machine with your user's permissions

license MIT - declared in the repository

npm package @codespar/mcp-nubank - published under the repo owner's npm scope (@codespar)

registry namespace io.github.codespar is GitHub-verified and matches the repo owner

03 · What Nubank can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

What you can build

With this server connected, an agent can list all accounts (checking, savings), get account balance, list transactions with filters, and get credit card bill details.

Capability map

Tools grouped from the project's README - what Nubank lets an agent do.

read & search

9 tools - e.g. List all accounts (checking, savings); Get account balance; List transactions with filters

get_accounts · get_balance · get_transactions · get_investments · get_statement · get_profile…

Pix

7 tools - e.g. Initiate a PIX transfer; List registered PIX keys; Get status and details of a specific PIX transfer

initiate_pix · get_pix_keys · get_pix_transfer · schedule_pix · cancel_scheduled_pix · create_pix_key…

Credit

3 tools - e.g. Get credit card bill details; List transactions for a given credit card bill; Pay a credit card bill from a linked account

get_credit_card_bill · get_credit_card_transactions · pay_credit_card_bill

Block

1 tool - e.g. Block a card (reports lost/stolen or temporarily disables it)

block_card

Unblock

1 tool - e.g. Unblock a previously blocked card (only valid for temporary blocks)

unblock_card

Pay

1 tool - e.g. Pay a boleto from a linked account

pay_boleto

04 · Who maintains Nubank

mcp-nubank is maintained by codespar. We track 127 MCP servers from codespar - 127 actively maintained, 269 combined GitHub stars, oldest repo from Mar 2026. Full record: all servers from codespar.

05 · Facts

repository: github.com/codespar/mcp-dev-latam
category: finance - actively maintained as of 2026-08-25.
registry: io.github.codespar/mcp-nubank (active, first published 2026-04-12 · 3 versions)
packages: npm:@codespar/mcp-nubank

06 · Nubank FAQ

Is Nubank still maintained?

Yes - as of 2026-08-25, its last commit was 2026-08-12. We re-verify nightly.

What can Nubank do?

With this server connected, an agent can list all accounts (checking, savings), get account balance, list transactions with filters, and get credit card bill details.

How do I install Nubank?

Run `npx -y @codespar/mcp-nubank`. The README documents 4 environment variables (NUBANK_CLIENT_ID, NUBANK_CLIENT_SECRET, NUBANK_CERT_PATH…) to set first. Set NUBANK_CLIENT_ID, NUBANK_CLIENT_SECRET, NUBANK_CERT_PATH, MCP_HTTP before connecting. You can also paste the ready-made client config above.

Does Nubank run locally?

Yes - it's a stdio server: it runs on your machine (via npx) with your user's permissions. Your data stays local unless the server itself calls external APIs.

07 · Alternatives to Nubank

Alternatives to Nubank

Maintained finance servers if Nubank isn't the fit.

Pairs well with

Servers that cover what Nubank doesn't - only shown when the pairing reason fits the companion.

More finance MCP servers · Paypal · Rinne · Stone · Stripe · Stripe Acp

More JavaScript MCP servers · Nupay · Openpay · Pagar Me · Pagbrasil · Pagseguro · see all