Nl Eli MCP

Name: Nl Eli MCP
Author: matematicsolutions

by matematicsolutionsversion 0.4.3i★ –iRuns on your computer

Registry nameio.github.matematicsolutions/nl-eli-mcp

Install

Overview

Description from the maker (original English)

MCP server for Dutch consolidated legislation (BWB via KOOP SRU) with verifiable citations.

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

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).
The registry lists no key to fill in.

You need

PyPIPython’s uv installed (for the uvx 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": {
    "nl-eli": {
      "command": "uvx",
      "args": [
        "nl-eli-mcp"
      ]
    }
  }
}

Run this in your terminal

claude mcp add nl-eli -- uvx nl-eli-mcp

Open in Cursor

Or copy the settings yourself

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

{
  "mcpServers": {
    "nl-eli": {
      "command": "uvx",
      "args": [
        "nl-eli-mcp"
      ]
    }
  }
}

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": {
    "nl-eli": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "nl-eli-mcp"
      ]
    }
  }
}

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.

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 matematicsolutions, 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 32718 servers in this category
Published to the registry more recently than 29% of the other 32718 servers in this category
Basic checks equal to or better than 100% of the other 32718 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 Nl Eli 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?

The registry does not list a required key, though some servers ask you to sign in on first use.

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 (0.4.3) 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 Python (uv) on your computer.

What can I use instead?

In the same category: Spec Driven Development, Remote Desktop Commander, MemberVault MCP by usefulapi

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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.

nl-eli-mcp

Install (one command)

As a Claude plugin (Claude Code or the desktop app, needs uv); see plugin/README.md for what it sends and stores:

/plugin marketplace add matematicsolutions/nl-eli-mcp

/plugin install nl-eli-mcp@nl-eli-mcp

Published on PyPI + MCP Registry (io.github.matematicsolutions/nl-eli-mcp). Run without cloning:

uvx nl-eli-mcp

Configure your MCP client (stdio):

{ "mcpServers": { "nl-eli-mcp": { "command": "uvx", "args": ["nl-eli-mcp"] } } }

Windows 11 with Smart App Control

Smart App Control blocks unsigned executables, which covers uvx.exe, pip.exe and the nl-eli-mcp.exe launcher that pip writes at install time. The python.exe and py.exe from the python.org installer are signed by the Python Software Foundation, so running the module through the interpreter works:

python -m pip install nl-eli-mcp

python -m nl_eli_mcp

pip.exe is blocked for the same reason, so install with python -m pip, not pip install. If python is not on PATH, use the Windows launcher: py -3 -m nl_eli_mcp.

{ "mcpServers": { "nl-eli-mcp": { "command": "python", "args": ["-m", "nl_eli_mcp"] } } }

Do not turn Smart App Control off to work around this - it cannot be re-enabled without reinstalling Windows.

Building from source: see Install.

An MCP server for the Dutch consolidated legislation BWB (Basiswettenbestand), served by KOOP over the official SRU API (zoekservice.overheid.nl, keyless). It gives an AI agent the version of an act in force on a given date, with a verifiable citation: a persistent identifier, a human-readable citation, and a link to the official source.

Part of the eu-legal-mcp line by MateMatic — one connector per EU member state, the same citation contract everywhere.

On ELI. The Netherlands does not publish native ELI (/eli/) URIs on consolidated

BWB. To keep the line's contract honest, eli_uri carries the official persistent

identifier instead — the wetten.overheid.nl/id *toestand* URI

(e.g. http://wetten.overheid.nl/id/BWBR0005537/2026-06-04/0). The connector never

fabricates an /eli/ URI and says so in its tool instructions. See DISCOVERY.md.

Tools

Tool	What it does
`nl_search(query, on_date=today)`	Find acts by words in the title that are in force on a date. Returns distinct acts, each with the citation contract.
`nl_get_act(bwb_id, on_date=today)`	Metadata for one act (e.g. `BWBR0005537`) — identifier, title, authority, version date.
`nl_get_text(bwb_id, on_date=today)`	The full consolidated XML (BWB toestand) of one act.
`nl_case_search(date_from, date_to, ...)`	List court decisions (Rechtspraak Open Data) by date range / court / subject. No free-text; each hit carries a native `ecli`.
`nl_get_decision(ecli)`	A court decision by its ECLI (e.g. `ECLI:NL:HR:2020:1`) — court, dates, zaaknummer and full text.
`nl_coverage()`	Declare what this connector covers, when each family was captured, and - explicitly - what it does NOT cover. Every gap carries a fallback.

Legislation comes from the BWB (KOOP SRU); case law comes from Rechtspraak Open Data (data.rechtspraak.nl), keyed by native ECLI. Every response carries the citation contract:

eli_uri — the official persistent identifier (toestand URI; see the ELI note above).
human_readable_citation — the official short title (citeertitel), e.g. *Algemene wet bestuursrecht*.
source_url — the browsable wetten.overheid.nl page for that version.

Versions and dates

Each act has many time-stamped versions. The tools default to the version in force today; pass on_date (YYYY-MM-DD) to pin a historical or future version. An act with no version valid on that date returns not_found — retry with another on_date.

Install

pip install -e ".[dev]"

"mcpServers": { "nl-eli-mcp": { "command": "nl-eli-mcp", "env": { "NL_ELI_BASE_URL": "https://zoekservice.overheid.nl/sru/Search", "NL_ELI_CACHE_DIR": "~/.matematic/cache/nl-eli", "NL_ELI_AUDIT_DIR": "~/.matematic/audit" } } } }

Design

Public data only. Read-only against the keyless KOOP SRU API, the official repository host and Rechtspraak Open Data; nothing is sent beyond the query / identifier and the date.
Audit log. Every call appends one JSON line to ~/.matematic/audit/nl-eli-mcp.jsonl (record-keeping).
Network. Besides the sources above, once on first use the server fetches a small configuration file (nl-runtime.json.gz, updated source addresses) from this repository's GitHub Releases. That request carries no query content; GitHub's download counter for the file is the only usage signal we see. NL_ELI_RUNTIME_URL="" turns it off; the Claude plugin ships with it off. No LLM provider, no other telemetry; own backoff + on-disk cache.
No fabrication. Identifiers and titles are parsed from the source record. If KOOP's schema changes, the connector fails loudly rather than returning stale or invented data.

See CONSTITUTION.md (the 4 principles) and DISCOVERY.md (how the source was mapped).

Tests

pytest tests/test_instructions_drift.py tests/test_parse.py   # offline

pytest tests/test_smoke.py # live KOOP API

Licence

Apache-2.0. The Dutch legislation served is official public data of the Kingdom of the Netherlands; this connector adds no rights over it.

Nl Eli MCP

Overview

PopNx MCP’s three pillars

What you can do with it

Install

Before you install

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

MemberVault MCP by usefulapi

README from the maker

nl-eli-mcp

Install (one command)

Windows 11 with Smart App Control

Tools

Versions and dates

Install

Design

Tests

Licence