# Nbp Pl (npm · @pipeworx/mcp-nbp-pl)

Narodowy Bank Polski (National Bank of Poland) Web API MCP. Keyless.

- Trust score: 83/100 (high trust)
- Change this week: +4
- Registry status: active
- Liveness: live
- Owner verified: no
- Last scored: 2026-11-05

## Components

- remote · `gateway.pipeworx.io`: 77/100, [markdown](https://verifymcp.io/servers/pipeworx-io-nbp-pl/nbp-pl-mcp.md), [page](https://verifymcp.io/servers/pipeworx-io-nbp-pl/nbp-pl-mcp)
- npm · `@pipeworx/mcp-nbp-pl`: 83/100 (this document), [markdown](https://verifymcp.io/servers/pipeworx-io-nbp-pl/pipeworx-mcp-nbp-pl.md), [page](https://verifymcp.io/servers/pipeworx-io-nbp-pl/pipeworx-mcp-nbp-pl)

## Channel facts

- Registry: `npm`
- Package: `@pipeworx/mcp-nbp-pl`
- Version: `0.2.1`
- 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 2026-11-05.

- **Supply Chain Security**: 100/100
  - No malware found by supply-chain analysis.
  - No known CVEs affecting this package version or its production dependencies.
  - No install/post-install scripts declared.
  - No production dependencies, so there is no dependency health to assess.
- **Provenance & Transparency**: 97/100
  - Source repository is publicly reachable at the declared URL.
  - Cryptographically verified build provenance (signed, bound to pipeworx-io/mcp-nbp-pl).
  - Clear OSI-approved license (MIT).
  - Actively maintained (last published 2 days ago).
  - Disclosure check failed: no security disclosure policy was found in the source repository.
- **Schema Quality & AI Usability**: 67/100
  - AI-judged instruction clarity (excellent).
  - Context-footprint check failed: tool/resource definitions use about 697 tokens (~232/item across 3 items; 3 tools + 0 resources), over budget; trim descriptions and params.
  - Usage-examples check failed: none of the tools include examples.
- **Stability & Change Management**: 23/100
  - Stability observed for 7 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.
- **Tool Safety**: 100/100
  - No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.
  - We read all 3 captured tool definition(s), and no name or description among them implies an irreversible operation.
  - An AI judge read all 4 captured unit(s) of tool text and found none that tries to manipulate the model reading it.
- **Capabilities**: 100/100
  - Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.

## Install

### How do I install the Nbp Pl MCP server?

Nbp Pl runs locally as an npm package, launched with npx -y @pipeworx/mcp-nbp-pl. Ready-made configuration for Claude, Cursor, VS Code, Codex and 5 more is on this page, copied from each client's own documentation.

### Claude

```bash
claude mcp add pipeworx-io-nbp-pl -- npx -y @pipeworx/mcp-nbp-pl
```

### Cursor

```json
{
  "mcpServers": {
    "pipeworx-io-nbp-pl": {
      "command": "npx",
      "args": [
        "-y",
        "@pipeworx/mcp-nbp-pl"
      ]
    }
  }
}
```

### VS Code

```json
{
  "servers": {
    "pipeworx-io-nbp-pl": {
      "command": "npx",
      "args": [
        "-y",
        "@pipeworx/mcp-nbp-pl"
      ]
    }
  }
}
```

### Codex

```bash
codex mcp add pipeworx-io-nbp-pl -- npx -y @pipeworx/mcp-nbp-pl
```

### opencode

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

### OpenClaw

```bash
openclaw mcp add pipeworx-io-nbp-pl --command npx --arg -y --arg @pipeworx/mcp-nbp-pl
```

### Hermes

```yaml
mcp_servers:
  pipeworx-io-nbp-pl:
    command: "npx"
    args: ["-y", "@pipeworx/mcp-nbp-pl"]
```

### Netclaw

```json
{
  "McpServers": {
    "pipeworx-io-nbp-pl": {
      "Transport": "stdio",
      "Command": "npx",
      "Arguments": [
        "-y",
        "@pipeworx/mcp-nbp-pl"
      ]
    }
  }
}
```

### Vellum

```bash
assistant mcp add pipeworx-io-nbp-pl -t stdio -c npx -a -y @pipeworx/mcp-nbp-pl
```

### Other

```json
{
  "mcpServers": {
    "pipeworx-io-nbp-pl": {
      "command": "npx",
      "args": [
        "-y",
        "@pipeworx/mcp-nbp-pl"
      ]
    }
  }
}
```

## 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.

### 2026-11-05 (score 83, +1)

No change was recorded against any check on this day. Stability & Change Management went from 20 to 23. That category is still filling its 30-day observation window: 6 days of observed history at the previous scan, 7 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-11-04 (score 82, +15)

- [security improvement] Malware scan: unverified → pass

### 2026-11-03 (score 67, −14)

- [security regression] Malware scan: pass → unverified
- [functional] Package version: 0.2.0 → 0.2.1

### 2026-11-01 (score 81, +1)

No change was recorded against any check on this day. Stability & Change Management went from 7 to 10. That category is still filling its 30-day observation window: 2 days of observed history at the previous scan, 3 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-10-30 (score 80, +1)

No change was recorded against any check on this day. Stability & Change Management went from 0 to 3. That category is still filling its 30-day observation window: 0 days of observed history at the previous scan, 1 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-10-29 (score 79)

First indexed and scored.

## MCP tools (3)

### `exchange_rate_table` (~213 tokens)

Full NBP exchange-rate table of PLN rates for many currencies at once. Pick a table: A = major currencies (mid-rate), B = other/minor currencies (mid-rate), C = bid/ask trading rates for the major set. Rates are PLN per 1 unit of each currency (per 100 for some minor units). Defaults to the latest published table; optionally pass a single date (YYYY-MM-DD) or last_n for the N most recent tables. Weekends/Polish holidays have no data (404).

Input parameters:

- `date` (string): Single publication date, YYYY-MM-DD, e.g. "2026-05-29". Must be a working day or it 404s.
- `last_n` (integer): Return the N most recent tables instead of just today. Ignored if date is given.
- `table` (string): Table letter: "A" (major mid), "B" (other mid), or "C" (bid/ask). Default "A".

### `currency_rate` (~257 tokens)

PLN exchange rate for one currency over time. Specify the table (A/B for mid-rate, C for bid/ask) and a 3-letter ISO 4217 code (e.g. USD, EUR, GBP, CHF, JPY). Defaults to the latest rate; optionally pass a single date, last_n recent points, or a start_date/end_date window (max ~93 days, working days only). Use this for one currency; use exchange_rate_table for the whole list.

Input parameters:

- `code` (string, required): ISO 4217 currency code, e.g. "USD", "EUR", "GBP".
- `date` (string): Single date, YYYY-MM-DD. Must be a working day or it 404s.
- `end_date` (string): Window end, YYYY-MM-DD. Used with start_date.
- `last_n` (integer): Return the N most recent rates. Ignored if date or start_date is given.
- `start_date` (string): Window start, YYYY-MM-DD. Pair with end_date. Max range ~93 days.
- `table` (string): Table letter: "A" or "B" (mid-rate) or "C" (bid/ask). Default "A".

### `gold_price` (~173 tokens)

NBP accounting price of gold (cena złota): PLN per 1 gram of pure gold (1000 fineness). Defaults to the latest published price; optionally pass a single date, last_n recent points, or a start_date/end_date window (max ~93 days, working days only). Weekends/Polish holidays have no data (404).

Input parameters:

- `date` (string): Single date, YYYY-MM-DD. Must be a working day or it 404s.
- `end_date` (string): Window end, YYYY-MM-DD. Used with start_date.
- `last_n` (integer): Return the N most recent prices. Ignored if date or start_date is given.
- `start_date` (string): Window start, YYYY-MM-DD. Pair with end_date. Max range ~93 days.

## Diagnostics

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

## Score history

- 2026-11-05: 83
- 2026-11-04: 82
- 2026-11-03: 67
- 2026-11-02: 81
- 2026-11-01: 81
- 2026-10-31: 80
- 2026-10-30: 80
- 2026-10-29: 79

## Common questions

### What is the Nbp Pl MCP server?

Nbp Pl is an MCP server listed in the public MCP registry as io.github.pipeworx-io/nbp-pl. Narodowy Bank Polski (National Bank of Poland) Web API MCP. Keyless. This page covers its npm package (@pipeworx/mcp-nbp-pl).

### Is the Nbp Pl MCP server safe to use?

Nbp Pl scores 83 out of 100 on VerifyMCP. We found no known CVEs affecting it as of 5 November 2026. It declares no install or post-install scripts. Its build provenance is signed and verified. That is a record of what we were able to check automatically, not an endorsement. The category breakdown on this page shows every signal behind the number, including the ones we could not confirm.

### What tools does the Nbp Pl MCP server expose?

Nbp Pl exposes 3 tools: exchange_rate_table, currency_rate, gold_price. Their descriptions and schemas cost roughly 643 tokens of context every time the server is loaded.

### Is the Nbp Pl MCP server still maintained?

Nbp Pl is still listed as active in the MCP registry. We last reached this channel on 5 November 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.

### What licence is the Nbp Pl MCP server under?

Nbp Pl declares the MIT licence, which is OSI-approved. That covers the source only, and says nothing about the cost of any service it calls.

## Links

- npm package: https://www.npmjs.com/package/@pipeworx/mcp-nbp-pl
- Socket report: https://socket.dev/npm/package/@pipeworx/mcp-nbp-pl
- Repository: https://github.com/pipeworx-io/mcp-nbp-pl
- Website: https://pipeworx.io/packs/nbp-pl
- Changelog RSS feed: https://verifymcp.io/servers/pipeworx-io-nbp-pl/pipeworx-mcp-nbp-pl.xml
- Changelog JSON feed: https://verifymcp.io/servers/pipeworx-io-nbp-pl/pipeworx-mcp-nbp-pl.json
- HTML version of this page: https://verifymcp.io/servers/pipeworx-io-nbp-pl/pipeworx-mcp-nbp-pl