# io.github.codespar/mcp-nubank (npm · @codespar/mcp-nubank)

Nubank — Brazilian neobank via Open Finance, accounts, PIX, transfers

- Trust score: 68/100 (medium)
- Change this week: +22
- Registry status: active
- Liveness: live
- Owner verified: no
- Last scored: 2026-08-05

## Components

- npm · `@codespar/mcp-nubank`: 68/100 (this document), [markdown](https://verifymcp.io/servers/codespar-mcp-nubank/codespar-mcp-nubank.md), [page](https://verifymcp.io/servers/codespar-mcp-nubank/codespar-mcp-nubank)

## Channel facts

- Registry: `npm`
- Package: `@codespar/mcp-nubank`
- Version: `0.2.0-alpha.3`
- Transport: `stdio`

## Trust breakdown

How this component scores in each security and reliability category. Every signal is checked automatically from public evidence about the published package, including repeated runs of it in an isolated sandbox, and we only credit what we can confirm. Scores are 0–100 per category. Scoring method: https://verifymcp.io/docs/scoring (what has changed: https://verifymcp.io/docs/scoring/changelog)

Scored 2026-08-05.

- **Supply Chain Security**: 86/100
  - No malware found by supply-chain analysis.
  - Only part of the dependency tree could be resolved (94 of 98), so this covers what we could see, not the whole tree.
  - No install/post-install scripts declared.
  - Only part of the dependency tree could be resolved (94 of 98), so this covers what we could see, not the whole tree.
- **Provenance & Transparency**: 45/100
  - Source repository is publicly reachable at the declared URL.
  - Provenance check failed: no build-provenance attestation is published.
  - Clear OSI-approved license (MIT).
  - Actively maintained (last published 43 days ago).
  - Disclosure check failed: no security disclosure policy was found in the source repository.
- **Schema Quality & AI Usability**: 66/100
  - AI-judged instruction clarity (good).
  - Tool/resource definitions use about 903 tokens (~41/item across 22 items; 22 tools + 0 resources), lean.
  - Usage-examples check failed: none of the tools include examples.
- **Stability & Change Management**: 33/100
  - Stability observed for 10 of 30 days with no destabilising changes; credit accrues until the full window elapses.
- **Tool Coverage**: 100/100
  - 100% of tools have a non-trivial description (not blank, and not just the tool's name).
  - 100% of tool parameters carry a description.
- **Capabilities**: 100/100
  - Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.

## Install

### Claude

```bash
claude mcp add codespar-mcp-nubank -- npx -y @codespar/mcp-nubank
```

### Codex

```bash
codex mcp add codespar-mcp-nubank -- npx -y @codespar/mcp-nubank
```

### opencode

```json
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "codespar-mcp-nubank": {
      "type": "local",
      "command": [
        "npx",
        "-y",
        "@codespar/mcp-nubank"
      ],
      "enabled": true
    }
  }
}
```

### OpenClaw

```bash
openclaw mcp add codespar-mcp-nubank --command npx --arg -y --arg @codespar/mcp-nubank
```

### Hermes

```yaml
mcp_servers:
  codespar-mcp-nubank:
    command: "npx"
    args: ["-y", "@codespar/mcp-nubank"]
```

### Other

```json
{
  "mcpServers": {
    "codespar-mcp-nubank": {
      "command": "npx",
      "args": [
        "-y",
        "@codespar/mcp-nubank"
      ]
    }
  }
}
```

## Changelog

Every change recorded for this component, newest first. Days that predate change tracking, or that we cannot explain, say so: "we were watching and nothing happened" and "we were not watching" are different claims.

### 2026-08-04 (score 68, +1)

No change was recorded against any check on this day. Stability & Change Management went from 27 to 30. That category is still filling its 30-day observation window: 8 days of observed history at the previous scan, 9 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-08-03 (score 67, +1)

No change was recorded against any check on this day. Stability & Change Management went from 23 to 27. That category is still filling its 30-day observation window: 7 days of observed history at the previous scan, 8 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-08-02 (score 66, +45)

- [security regression] Provenance: unverified → fail
- [security improvement] Install scripts: unverified → pass
- [security improvement] Known CVEs: unverified → partial
- [security improvement] Malware scan: unverified → pass
- [functional improvement] License: unverified → pass
- [functional improvement] Dependency health: unverified → partial
- [functional improvement] Maintenance: unverified → pass
- [functional improvement] MCP protocol: unverified → pass
- [functional improvement] Stability: unverified → 0.23
- [functional improvement] Schema quality: unverified → good
- [functional] Licence: MIT

### 2026-08-01 (score 21, −5)

- [security] Stability: Stability not yet verified: we do not have a sandbox capture of the MCP schema this version of the package serves yet.
- [functional regression] Capabilities: pass → unverified

### 2026-07-31 (score 26, −20)

- [functional] We updated how we score, so this day's move reflects our rubric, not a change to the server

### 2026-07-27 (score 46)

First indexed and scored.

## MCP tools (22)

### `get_accounts` (~16 tokens)

List all accounts (checking, savings)

### `get_balance` (~22 tokens)

Get account balance

Input parameters:

- `accountId` (string, required): Account ID

### `get_transactions` (~79 tokens)

List transactions with filters

Input parameters:

- `accountId` (string, required): Account ID
- `date_from` (string): Start date (YYYY-MM-DD)
- `date_to` (string): End date (YYYY-MM-DD)
- `limit` (number): Results limit
- `offset` (number): Results offset
- `type` (string): Transaction type filter

### `get_credit_card_bill` (~37 tokens)

Get credit card bill details

Input parameters:

- `month` (string): Bill month (YYYY-MM)
- `status` (string): Bill status

### `get_investments` (~15 tokens)

List investments and yields

### `initiate_pix` (~58 tokens)

Initiate a PIX transfer

Input parameters:

- `amount` (number, required): Transfer amount in BRL
- `description` (string): Transfer description
- `pix_key` (string, required): Recipient PIX key
- `pix_key_type` (string, required): PIX key type

### `get_pix_keys` (~14 tokens)

List registered PIX keys

### `get_statement` (~53 tokens)

Get account statement for a period

Input parameters:

- `accountId` (string, required): Account ID
- `date_from` (string): Start date (YYYY-MM-DD)
- `date_to` (string): End date (YYYY-MM-DD)

### `get_profile` (~14 tokens)

Get authenticated user profile information

### `list_cards` (~14 tokens)

List debit and credit cards

### `get_pix_transfer` (~30 tokens)

Get status and details of a specific PIX transfer

Input parameters:

- `transferId` (string, required): PIX transfer ID

### `schedule_pix` (~74 tokens)

Schedule a future-dated PIX transfer

Input parameters:

- `amount` (number, required): Transfer amount in BRL
- `description` (string): Transfer description
- `pix_key` (string, required): Recipient PIX key
- `pix_key_type` (string, required): PIX key type
- `scheduled_date` (string, required): Execution date (YYYY-MM-DD)

### `cancel_scheduled_pix` (~29 tokens)

Cancel a previously scheduled PIX transfer

Input parameters:

- `transferId` (string, required): Scheduled PIX transfer ID

### `create_pix_key` (~67 tokens)

Register a new PIX key for the authenticated account

Input parameters:

- `accountId` (string, required): Account ID to attach the key to
- `key` (string): PIX key value (cpf/cnpj/email/phone, or omit for random)
- `key_type` (string, required): PIX key type

### `delete_pix_key` (~28 tokens)

Remove a registered PIX key

Input parameters:

- `keyId` (string, required): PIX key ID to delete

### `get_card_details` (~29 tokens)

Get details for a single debit or credit card

Input parameters:

- `cardId` (string, required): Card ID

### `block_card` (~41 tokens)

Block a card (reports lost/stolen or temporarily disables it)

Input parameters:

- `cardId` (string, required): Card ID
- `reason` (string): Reason for block

### `unblock_card` (~31 tokens)

Unblock a previously blocked card (only valid for temporary blocks)

Input parameters:

- `cardId` (string, required): Card ID

### `get_credit_card_transactions` (~31 tokens)

List transactions for a given credit card bill

Input parameters:

- `billId` (string, required): Credit card bill ID

### `pay_credit_card_bill` (~59 tokens)

Pay a credit card bill from a linked account

Input parameters:

- `accountId` (string, required): Debit account ID
- `amount` (number, required): Payment amount in BRL (partial or full)
- `billId` (string, required): Credit card bill ID

### `get_boleto` (~33 tokens)

Retrieve boleto details by barcode or digitable line

Input parameters:

- `barcode` (string, required): Boleto barcode or digitable line

### `pay_boleto` (~62 tokens)

Pay a boleto from a linked account

Input parameters:

- `accountId` (string, required): Debit account ID
- `amount` (number): Payment amount in BRL (optional — uses boleto amount if omitted)
- `barcode` (string, required): Boleto barcode or digitable line

## Diagnostics

Captured diagnostic sections: Provenance, Dependencies. The full working is on the page: https://verifymcp.io/servers/codespar-mcp-nubank/codespar-mcp-nubank#diagnostics

## Score history

- 2026-08-05: 68
- 2026-08-04: 68
- 2026-08-03: 67
- 2026-08-02: 66
- 2026-08-01: 21
- 2026-07-31: 26
- 2026-07-30: 46
- 2026-07-28: 46
- 2026-07-27: 46

## Links

- npm package: https://www.npmjs.com/package/@codespar/mcp-nubank
- Socket report: https://socket.dev/npm/package/@codespar/mcp-nubank
- Repository: https://github.com/codespar/mcp-dev-latam
- Changelog RSS feed: https://verifymcp.io/servers/codespar-mcp-nubank/codespar-mcp-nubank/changelog.xml
- Changelog JSON feed: https://verifymcp.io/servers/codespar-mcp-nubank/codespar-mcp-nubank/changelog.json
- HTML version of this page: https://verifymcp.io/servers/codespar-mcp-nubank/codespar-mcp-nubank