Wfirma MCP

Name: Wfirma MCP
Author: agente-dev

by agente-devversion 1.0.0i★ –iRuns on your computer

Registry nameio.github.agente-dev/wfirma-mcp

Install

Overview

Description from the maker (original English)

Unofficial read-only MCP server for the wFirma API v2: invoices, contractors, expenses, payments.

PopNx MCP’s three pillars

These three are never merged into one score: opinions, measurements and popularity are different things.

User voiceiNo reviews yetReviews open together with accounts in a later step
Our basic checksi1 of 1 passedChecked from public information; code not scanned yet
UsageiNot measured yet★ –

What you can do with it

We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.

Connection: Runs on your computer
Transport: stdio
Category: Other
You need to fill in: WFIRMA_ACCESS_KEY, WFIRMA_SECRET_KEY, WFIRMA_APP_KEY

Install

Pick the AI app you use, then copy the settings.

Before you install

Basic checks: 1 of 1 passed
Runs on your computer with your user’s permissions (files, network, apps).
You fill in yourself: WFIRMA_ACCESS_KEY, WFIRMA_SECRET_KEY, WFIRMA_APP_KEY

Values marked secret are keys to your account. Never share them or paste them into a chat.

You need

npmNode.js installed (for the npx command)

Which app do you use?

ClaudeClaude CodeCursorVS CodeChatGPT

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": {
    "wfirma": {
      "command": "npx",
      "args": [
        "-y",
        "wfirma-mcp"
      ],
      "env": {
        "WFIRMA_ACCESS_KEY": "your-value",
        "WFIRMA_SECRET_KEY": "your-value",
        "WFIRMA_APP_KEY": "your-value"
      }
    }
  }
}

Run this in your terminal

claude mcp add wfirma --env WFIRMA_ACCESS_KEY=your-value --env WFIRMA_SECRET_KEY=your-value --env WFIRMA_APP_KEY=your-value -- npx -y wfirma-mcp

Fill in the empty values before running it.

Open in Cursor

Or copy the settings yourself

Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json

{
  "mcpServers": {
    "wfirma": {
      "command": "npx",
      "args": [
        "-y",
        "wfirma-mcp"
      ],
      "env": {
        "WFIRMA_ACCESS_KEY": "your-value",
        "WFIRMA_SECRET_KEY": "your-value",
        "WFIRMA_APP_KEY": "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.

Open in VS Code

Or copy the settings yourself

Paste into .vscode/mcp.json in your project

{
  "servers": {
    "wfirma": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "wfirma-mcp"
      ],
      "env": {
        "WFIRMA_ACCESS_KEY": "your-value",
        "WFIRMA_SECRET_KEY": "your-value",
        "WFIRMA_APP_KEY": "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.

Values you fill in

WFIRMA_ACCESS_KEY secret required env
wFirma access key from your panel (Integrations → API)
WFIRMA_SECRET_KEY secret required env
wFirma secret key paired with the access key
WFIRMA_APP_KEY secret required env
wFirma app key for the API application

These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.

What it can do

Runs on your computer; the tool list appears in your AI app after you install it.

Basic checksi

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

✓ Pass
Maker matches the repo
The registry name was verified with the GitHub account agente-dev, which owns the repo
… Not checked yet
Still maintained
We have not read this repo from GitHub yet
… Not checked yet
Has a licence
We have not read this repo from GitHub yet
– Not applicable
Endpoint responds
This one runs on your computer; there is no internet endpoint
– Not applicable
Sign-in with OAuth
Runs on your computer and uses local settings instead
… Not checked yet
No hidden instructions in tool descriptions
Runs on your computer; we can only read tool lists from internet endpoints

Compared with others in Otheri

More stars than 0% of the other 32709 servers in this category
Published to the registry more recently than 30% of the other 32709 servers in this category
Basic checks equal to or better than 100% of the other 32709 servers in this category

Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.

Common questions

Is Wfirma MCP safe?

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.

What keys or codes does it need?

You need to fill in: WFIRMA_ACCESS_KEY, WFIRMA_SECRET_KEY, WFIRMA_APP_KEY

Does it run on my computer or in the cloud?

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).

Is it still maintained?

The GitHub repo last changed –, and the latest version (1.0.0) reached the registry 2 months ago.

Which apps can use it?

Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. You also need Node.js on your computer.

What can I use instead?

In the same category: Spec Driven Development, Remote Desktop Commander, SwarmMemo

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README from the maker

Open the README

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.

wFirma MCP

Unofficial, read-only MCP server for the wFirma API v2 (api2.wfirma.pl). Gives MCP-compatible AI assistants typed, read-only access to company data, invoices, contractors, expenses, and payments — with credentials that never leave your machine and no commercial middleware between you and wFirma.

Not affiliated with wFirma. "wFirma" is a trademark of its respective owner.

Tools (9, all read-only)

Tool	Endpoint
`wfirma_list_companies`	`GET /user_companies/find`
`wfirma_list_invoices`	`GET /invoices/find`
`wfirma_get_invoice`	`GET /invoices/get/{id}`
`wfirma_list_contractors`	`GET /contractors/find`
`wfirma_get_contractor`	`GET /contractors/get/{id}`
`wfirma_list_expenses`	`GET /expenses/find`
`wfirma_get_expense`	`GET /expenses/get/{id}`
`wfirma_list_payments`	`GET /payments/find`
`wfirma_get_payment`	`GET /payments/get/{id}`

Every company-scoped tool requires the internal companyId returned by wfirma_list_companies. A Polish NIP is not accepted as a company id.

Why read-only

The server intentionally contains no add, edit, delete, send, fiscalization, KSeF, or payment-mutation operation. The full list of excluded categories, reviewed against the official documentation at doc.wfirma.pl, is recorded in coverage-manifest.json. If you need writes, use wFirma's own tooling — not this server.

Setup

Credentials

wFirma API keys are created in your wFirma panel (Integrations → API). Required environment variables:

WFIRMA_ACCESS_KEY
WFIRMA_SECRET_KEY
WFIRMA_APP_KEY

See .env.example. Never commit real values.

Build

pnpm install

pnpm build # → dist/index.js (self-contained esbuild bundle) pnpm test # all HTTP traffic is mocked; no live account needed

Claude Desktop / any stdio MCP client

"mcpServers": { "wfirma": { "command": "node", "args": ["/absolute/path/to/wfirma-mcp/dist/index.js"], "env": { "WFIRMA_ACCESS_KEY": "your-access-key", "WFIRMA_SECRET_KEY": "your-secret-key", "WFIRMA_APP_KEY": "your-app-key" } } } }

Claude Code / Cursor (scope: project)

claude mcp add wfirma -- node /absolute/path/to/wfirma-mcp/dist/index.js

Design notes

No runtime dependencies beyond the MCP SDK and zod. The client uses Node's stdlib https with a hard 20s timeout and a bounded response-size guard.
Fail-closed error taxonomy. Missing credentials, non-numeric company ids, oversized responses, and auth failures each raise a distinct wfirma_* error code instead of a generic failure.
No PII in logs. Tool parameters are never logged.
Coverage manifest. coverage-manifest.json maps every tool to its endpoint, risk class, and the test that proves it; a CI test enforces the manifest stays in sync with the source.

License

MIT

Wfirma MCP

Overview

PopNx MCP’s three pillars

What you can do with it

Install

Before you install

Values you fill in

What it can do

Basic checksi

Maker matches the repo

Still maintained

Has a licence

Endpoint responds

Sign-in with OAuth

No hidden instructions in tool descriptions

Compared with others in Otheri

Common questions

Alternatives

Spec Driven Development

Remote Desktop Commander

SwarmMemo

README from the maker

wFirma MCP

Tools (9, all read-only)

Why read-only

Setup

Credentials

Build

Claude Desktop / any stdio MCP client

Claude Code / Cursor (scope: project)

Design notes

License