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io.github.codespar/mcp-nubank

NPM · @CODESPAR/MCP-NUBANK · SCANNED AUG 5

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

+22 this week 68 Trust /100
Trust breakdown (6 categories)

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. How we score →

Supply Chain Security86
  • No malware found by supply-chain analysis.Pass
  • Only part of the dependency tree could be resolved (94 of 98), so this covers what we could see, not the whole tree.Partial
  • No install/post-install scripts declared.Pass
  • Only part of the dependency tree could be resolved (94 of 98), so this covers what we could see, not the whole tree. View diagnostics → Partial
Provenance & Transparency45
Schema Quality & AI Usability66
  • AI-judged instruction clarity (good).Pass
  • Tool/resource definitions use about 903 tokens (~41/item across 22 items; 22 tools + 0 resources), lean.Pass
  • Usage-examples check failed: none of the tools include examples. See how to fix → Fail
Stability & Change Management33
  • Stability observed for 10 of 30 days with no destabilising changes; credit accrues until the full window elapses.Partial
Tool Coverage100
  • 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
  • 100% of tool parameters carry a description.Pass
Capabilities100
  • Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.Pass
Install

Add this component to your MCP client. Where a client-specific snippet is available, pick your client below and copy it straight into your config; otherwise use the connection detail shown.

npm · @codespar/mcp-nubank

# add to Claude Code
claude mcp add codespar-mcp-nubank -- npx -y @codespar/mcp-nubank
# add to Codex CLI
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
    }
  }
}
# add to OpenClaw
openclaw mcp add codespar-mcp-nubank --command npx --arg -y --arg @codespar/mcp-nubank
# ~/.hermes/config.yaml
mcp_servers:
  codespar-mcp-nubank:
    command: "npx"
    args: ["-y", "@codespar/mcp-nubank"]
// mcp.json
{
  "mcpServers": {
    "codespar-mcp-nubank": {
      "command": "npx",
      "args": [
        "-y",
        "@codespar/mcp-nubank"
      ]
    }
  }
}
Changelog

Every change we have recorded for this component, newest first. Security-relevant changes are always shown. ▲ marks a change for the better, ▼ a change for the worse; unmarked changes are neutral.

  • 4 Aug 26 +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.

  • 3 Aug 26 +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.

  • 2 Aug 26 +45
    • Provenance: unverified → fail security
    • Install scripts: unverified → pass security
    • Known CVEs: unverified → partial security
    • Malware scan: unverified → pass security
    • License: unverified → pass functional
    • Dependency health: unverified → partial functional
    • Maintenance: unverified → pass functional
    • MCP protocol: unverified → pass functional
    • Stability: unverified → 0.23 functional
    • Schema quality: unverified → good functional
    • Licence: MIT functional
  • 1 Aug 26 −5
    • Stability: Stability not yet verified: we do not have a sandbox capture of the MCP schema this version of the package serves yet. security
    • Capabilities: pass → unverified functional
  • 31 Jul 26 −20
    • We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
  • 27 Jul 26 46

    First indexed and scored.

Diagnostics

Diagnostic detail from the automated scan of this channel: what the scanner observed at each step, so you can see exactly where a check passed or failed. It is informational only and never changes the trust score.

Captured 5 Aug 2026 · Analysed npm/@codespar/[email protected]

Provenance none

Ecosystem: npm · Outcome: none

Dependencies 94 packages

94 packages in the resolved dependency tree · 94 deprecated · 29 stale.

The dependency tree was only partially resolved, so these counts may be incomplete.

MCP tools — 22 exposed · ~836 tokens

The tools this component advertises to a client, with an estimated token cost for each. Expand a tool to see its parameters and schema. The per-tool counts are indicative and are not scored directly; the schema's total context footprint is one signal in Schema Quality & AI Usability.

Tool Tokens
block_card ~41

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

NameTypeReqDescription
cardIdstringyesCard ID
reasonstringReason for block

No output schema declared.

No examples provided.

cancel_scheduled_pix ~29

Cancel a previously scheduled PIX transfer

NameTypeReqDescription
transferIdstringyesScheduled PIX transfer ID

No output schema declared.

No examples provided.

create_pix_key ~67

Register a new PIX key for the authenticated account

NameTypeReqDescription
accountIdstringyesAccount ID to attach the key to
keystringPIX key value (cpf/cnpj/email/phone, or omit for random)
key_typestringyesPIX key type

No output schema declared.

No examples provided.

delete_pix_key ~28

Remove a registered PIX key

NameTypeReqDescription
keyIdstringyesPIX key ID to delete

No output schema declared.

No examples provided.

get_accounts ~16

List all accounts (checking, savings)

Input schema present but exposes no named parameters.

No output schema declared.

No examples provided.

get_balance ~22

Get account balance

NameTypeReqDescription
accountIdstringyesAccount ID

No output schema declared.

No examples provided.

get_boleto ~33

Retrieve boleto details by barcode or digitable line

NameTypeReqDescription
barcodestringyesBoleto barcode or digitable line

No output schema declared.

No examples provided.

get_card_details ~29

Get details for a single debit or credit card

NameTypeReqDescription
cardIdstringyesCard ID

No output schema declared.

No examples provided.

get_credit_card_bill ~37

Get credit card bill details

NameTypeReqDescription
monthstringBill month (YYYY-MM)
statusstringBill status

No output schema declared.

No examples provided.

get_credit_card_transactions ~31

List transactions for a given credit card bill

NameTypeReqDescription
billIdstringyesCredit card bill ID

No output schema declared.

No examples provided.

get_investments ~15

List investments and yields

Input schema present but exposes no named parameters.

No output schema declared.

No examples provided.

get_pix_keys ~14

List registered PIX keys

Input schema present but exposes no named parameters.

No output schema declared.

No examples provided.

get_pix_transfer ~30

Get status and details of a specific PIX transfer

NameTypeReqDescription
transferIdstringyesPIX transfer ID

No output schema declared.

No examples provided.

get_profile ~14

Get authenticated user profile information

Input schema present but exposes no named parameters.

No output schema declared.

No examples provided.

get_statement ~53

Get account statement for a period

NameTypeReqDescription
accountIdstringyesAccount ID
date_fromstringStart date (YYYY-MM-DD)
date_tostringEnd date (YYYY-MM-DD)

No output schema declared.

No examples provided.

get_transactions ~79

List transactions with filters

NameTypeReqDescription
accountIdstringyesAccount ID
date_fromstringStart date (YYYY-MM-DD)
date_tostringEnd date (YYYY-MM-DD)
limitnumberResults limit
offsetnumberResults offset
typestringTransaction type filter

No output schema declared.

No examples provided.

initiate_pix ~58

Initiate a PIX transfer

NameTypeReqDescription
amountnumberyesTransfer amount in BRL
descriptionstringTransfer description
pix_keystringyesRecipient PIX key
pix_key_typestringyesPIX key type

No output schema declared.

No examples provided.

list_cards ~14

List debit and credit cards

Input schema present but exposes no named parameters.

No output schema declared.

No examples provided.

pay_boleto ~62

Pay a boleto from a linked account

NameTypeReqDescription
accountIdstringyesDebit account ID
amountnumberPayment amount in BRL (optional — uses boleto amount if omitted)
barcodestringyesBoleto barcode or digitable line

No output schema declared.

No examples provided.

pay_credit_card_bill ~59

Pay a credit card bill from a linked account

NameTypeReqDescription
accountIdstringyesDebit account ID
amountnumberyesPayment amount in BRL (partial or full)
billIdstringyesCredit card bill ID

No output schema declared.

No examples provided.

schedule_pix ~74

Schedule a future-dated PIX transfer

NameTypeReqDescription
amountnumberyesTransfer amount in BRL
descriptionstringTransfer description
pix_keystringyesRecipient PIX key
pix_key_typestringyesPIX key type
scheduled_datestringyesExecution date (YYYY-MM-DD)

No output schema declared.

No examples provided.

unblock_card ~31

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

NameTypeReqDescription
cardIdstringyesCard ID

No output schema declared.

No examples provided.