# io.github.matematicsolutions/mcp-krs (npm · @matematicsolutions/mcp-krs)

MCP server for the Polish KRS company registry via the official Ministry of Justice API.

- Trust score: 76/100 (medium)
- Change this week: +34
- Registry status: active
- Liveness: live
- Owner verified: no
- Last scored: 2026-08-04

## Components

- npm · `@matematicsolutions/mcp-krs`: 76/100 (this document), [markdown](https://verifymcp.io/servers/matematicsolutions-mcp-krs/matematicsolutions-mcp-krs.md), [page](https://verifymcp.io/servers/matematicsolutions-mcp-krs/matematicsolutions-mcp-krs)

## Channel facts

- Registry: `npm`
- Package: `@matematicsolutions/mcp-krs`
- Version: `1.1.1`
- 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 2026-08-04.

- **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**: 97/100
  - Source repository is publicly reachable at the declared URL.
  - Cryptographically verified build provenance (signed, bound to matematicsolutions/mcp-krs).
  - Clear OSI-approved license (MIT).
  - Actively maintained (last published 39 days ago).
  - Disclosure check failed: no security disclosure policy was found in the source repository.
- **Schema Quality & AI Usability**: 59/100
  - AI-judged instruction clarity (excellent).
  - Context-footprint check failed: tool/resource definitions use about 1106 tokens (~368/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**: 27/100
  - Stability observed for 8 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 matematicsolutions-mcp-krs -- npx -y @matematicsolutions/mcp-krs
```

### Codex

```bash
codex mcp add matematicsolutions-mcp-krs -- npx -y @matematicsolutions/mcp-krs
```

### opencode

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

### OpenClaw

```bash
openclaw mcp add matematicsolutions-mcp-krs --command npx --arg -y --arg @matematicsolutions/mcp-krs
```

### Hermes

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

### Other

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

## 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 76, +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 75, +58)

- [security improvement] Provenance: unverified → pass
- [security improvement] Known CVEs: unverified → partial
- [security improvement] Malware scan: unverified → pass
- [security improvement] Install scripts: unverified → pass
- [security] Stability: Stability not yet verified: not enough scan history yet (needs a 30-day window).
- [security] The attested source repository moved: matematicsolutions/mcp-krs
- [functional improvement] Schema quality: unverified → excellent
- [functional improvement] Stability: unverified → 0.20
- [functional improvement] Dependency health: unverified → partial
- [functional improvement] Maintenance: unverified → pass
- [functional improvement] MCP protocol: unverified → pass
- [functional improvement] License: unverified → pass
- [functional] Licence: MIT

### 2026-07-31 (score 17, −25)

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

### 2026-07-27 (score 42)

First indexed and scored.

## MCP tools (3)

### `get_entity` (~208 tokens)

Pobiera ODPIS AKTUALNY z Krajowego Rejestru Sadowego po numerze KRS. Zwraca pelne dane podmiotu: nazwa, forma prawna, NIP, REGON, adres, kapital zakladowy, reprezentacja (zarzad + sposob reprezentacji), prokurenci, glowny PKD, status (aktywny/likwidacja/upadlosc) + URL do wyszukiwarki KRS. Numer KRS uzupelnij zerami wiodacymi (lub podaj krotszy - zostanie wyrównany do 10 cyfr).

Input parameters:

- `krs` (string, required): Numer KRS (1-10 cyfr, np. '28860' -> automatyczne '0000028860').
- `rejestr` (string): Rejestr: 'P' = przedsiebiorcow (domyslnie), 'S' = stowarzyszen.

### `get_entity_full` (~109 tokens)

Pobiera ODPIS PELNY z KRS (z historia wpisow - kazda zmiana, kazde wykreslenie, wszystkie poprzednie sklady zarzadu). Wieksza odpowiedz, uzywaj kiedy potrzebujesz historii zmian, nie tylko stanu aktualnego.

Input parameters:

- `krs` (string, required): Numer KRS (1-10 cyfr).
- `rejestr` (string): Rejestr: 'P' (default) lub 'S'.

### `get_board` (~95 tokens)

SKROCONA wersja: tylko sklad zarzadu + sposob reprezentacji + prokurenci. Szybciej niz get_entity gdy potrzebujesz tylko 'kto reprezentuje X'. Bazuje na odpisie aktualnym.

Input parameters:

- `krs` (string, required): Numer KRS (1-10 cyfr).
- `rejestr` (string): Rejestr: 'P' (default) lub 'S'.

## Diagnostics

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

## Score history

- 2026-08-04: 76
- 2026-08-03: 75
- 2026-08-02: 75
- 2026-08-01: 17
- 2026-07-31: 17
- 2026-07-30: 42
- 2026-07-28: 42
- 2026-07-27: 42

## Links

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