Spec Driven Development
MCP Server that facilitates spec-driven development workflows, not just Vibe Coding.
Description from the maker (original English)
DEPRECATED: no live endpoint (api.nubank.com.br does not resolve)
These three are never merged into one score: opinions, measurements and popularity are different things.
We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.
Pick the AI app you use, then copy the settings.
NUBANK_CLIENT_IDValues marked secret are keys to your account. Never share them or paste them into a chat.
You need
Which app do you use?
Pick your app above. We remember it, so next time the button says “Install in …”.
Open Claude Desktop → Settings → Developer → Edit Config, and paste this into claude_desktop_config.json
{
"mcpServers": {
"nubank": {
"command": "npx",
"args": [
"-y",
"@codespar/mcp-nubank"
],
"env": {
"NUBANK_CLIENT_ID": "your-value"
}
}
}
}Run this in your terminal
claude mcp add nubank --env NUBANK_CLIENT_ID=your-value -- npx -y @codespar/mcp-nubankFill in the empty values before running it.
Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json
{
"mcpServers": {
"nubank": {
"command": "npx",
"args": [
"-y",
"@codespar/mcp-nubank"
],
"env": {
"NUBANK_CLIENT_ID": "your-value"
}
}
}
}Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.
Paste into .vscode/mcp.json in your project
{
"servers": {
"nubank": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@codespar/mcp-nubank"
],
"env": {
"NUBANK_CLIENT_ID": "your-value"
}
}
}
}Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.
This one runs on your computer, and ChatGPT can only connect to servers on the internet. Pick another app.
Your choice stays on this device in a cookie; no account needed.
These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.
Runs on your computer; the tool list appears in your AI app after you install it.
We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 7, 2026
The registry name was verified with the GitHub account codespar, which owns the repo
We have not read this repo from GitHub yet
We have not read this repo from GitHub yet
This one runs on your computer; there is no internet endpoint
Runs on your computer and uses local settings instead
Runs on your computer; we can only read tool lists from internet endpoints
Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.
It passed 1 of 1 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.
You need to fill in: NUBANK_CLIENT_ID
It runs on your computer. Your AI app starts it when needed, and data does not pass through the maker’s servers (unless it calls an online service itself).
The GitHub repo last changed –, and the latest version (0.2.0-alpha.4) reached the registry 41 days ago.
Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. You also need Node.js on your computer.
In the same category: Spec Driven Development, Remote Desktop Commander, Qemu MCP
Servers in the same category from other makers, sorted by stars.
Reading a card:★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi
MCP Server that facilitates spec-driven development workflows, not just Vibe Coding.
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Boot and drive QEMU VMs from an AI agent: keys, screenshots, serial. No guest agent.
Copied from the maker’s repo as written. PopNx MCP has not reviewed or endorsed it. HTML, images and scripts are removed. Links lead off this site.
Deprecated: no live endpoint. Measured on 2026-09-27 against two public DNS resolvers (8.8.8.8 and 1.1.1.1):
api.nubank.com.br, the host this server calls, does not resolve in DNS. Nubank's only public API we found is NuPay for Business (api.spinpay.com.br), which@codespar/mcp-nupayalready covers. No tool in this server reaches a service. The package is deprecated on npm and stays in this repository for reference only. If you have a working endpoint, point the server at it withNUBANK_BASE_URL. To bring the package back, open an issue in mcp-dev-latam with the provider's documented base URL.
MCP server for Nubank, Brazil's largest digital bank, using the Open Finance Brasil standard
Alpha release — published under the
alphanpm dist-tag. Endpoint paths follow public docs and BACEN/provider conventions but have not been fully live-validated. Pin exact versions during0.x.x-alpha. Install withnpm install @codespar/mcp-nubank@alpha.
# Set your credentials
export NUBANK_CLIENT_ID="your-client-id" export NUBANK_CLIENT_SECRET="your-client-secret" export NUBANK_CERT_PATH="/path/to/certificate.pem"
npx -y @codespar/mcp-nubank@alpha
MCP_HTTP=true MCP_PORT=3000 npx -y @codespar/mcp-nubank@alpha
| Variable | Required | Description |
|---|---|---|
NUBANK_CLIENT_ID | Yes | OAuth2 client ID |
NUBANK_CLIENT_SECRET | Yes | OAuth2 client secret |
NUBANK_CERT_PATH | Yes | Path to mTLS certificate file |
MCP_HTTP | No | Set to "true" to enable HTTP transport |
MCP_PORT | No | HTTP port (default: 3000) |
| Tool | Purpose |
|---|---|
get_accounts | List all accounts (checking, savings) |
get_balance | Get account balance |
get_transactions | List transactions with filters |
get_credit_card_bill | Get credit card bill details |
get_investments | List investments and yields |
initiate_pix | Initiate a PIX transfer |
get_pix_keys | List registered PIX keys |
get_statement | Get account statement for a period |
get_profile | Get authenticated user profile information |
list_cards | List debit and credit cards |
get_pix_transfer | Get status and details of a specific PIX transfer |
schedule_pix | Schedule a future-dated PIX transfer |
cancel_scheduled_pix | Cancel a previously scheduled PIX transfer |
create_pix_key | Register a new PIX key for the authenticated account |
delete_pix_key | Remove a registered PIX key |
get_card_details | Get details for a single debit or credit card |
block_card | Block a card (reports lost/stolen or temporarily disables it) |
unblock_card | Unblock a previously blocked card (only valid for temporary blocks) |
get_credit_card_transactions | List transactions for a given credit card bill |
pay_credit_card_bill | Pay a credit card bill from a linked account |
get_boleto | Retrieve boleto details by barcode or digitable line |
pay_boleto | Pay a boleto from a linked account |
Uses OAuth2 client credentials flow with mTLS certificate. Register your application through Nubank's Open Finance portal to obtain credentials.
Need governance, budget limits, and audit trails for agent payments? CodeSpar Enterprise adds policy engine, payment routing, and compliance templates on top of these MCP servers.
Set these environment variables before launching the server:
NUBANK_CLIENT_ID *(required, secret)* — API key/token for nubankIssue credentials at the provider's developer portal: https://openfinancebrasil.org.br.
MIT