# Factline Netherlands (remote · factline.dev)

Dutch addresses, neighbourhoods, crime, flood risk, rent and schools. 5 checks a day free, no key.

- Trust score: 87/100 (high trust)
- Change this week: +3
- Registry status: active
- Liveness: live
- Owner verified: no
- Last scored: 2026-11-05

## Components

- remote · `factline.dev`: 87/100 (this document), [markdown](https://verifymcp.io/servers/snefhew-factline-nl/mcp-nl.md), [page](https://verifymcp.io/servers/snefhew-factline-nl/mcp-nl)

## Channel facts

- Endpoint: `https://factline.dev/mcp/nl`
- Transports: `streamable-http`
- Auth: `none`
- Version: `0.10.0`

## Trust breakdown

How this component scores in each security and reliability category. Every signal is checked automatically against the live server, 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.

- **Endpoint Security**: 83/100
  - The endpoint's TLS certificate is valid, in date, and uses a strong key.
  - No authorisation is required to call this server. Every tool declares its destructiveHint and none is destructive, so open access doesn't expose one.
  - HTTPS is enforced; there's no plaintext access path.
  - The HSTS (Strict-Transport-Security) header is present.
  - DNSSEC is configured correctly; the domain's records validate against the full chain to the root.
- **Transport & Reachability**: 100/100
  - Verified streamable-http transport via a live MCP handshake.
- **Schema Quality & AI Usability**: 82/100
  - 100% of prompts and resources have a non-trivial description (not blank, and not just the item's name).
  - AI-judged instruction clarity (excellent).
  - Context-footprint check failed: tool/resource definitions use about 3536 tokens (~136/item across 26 items; 16 tools + 10 resources), over budget; trim descriptions and params.
  - Usage-examples check failed: none of the tools include examples.
- **Stability & Change Management**: 80/100
  - Stability observed for 24 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.
  - Structured output schemas are declared (19% of tools); any adoption earns full credit.
- **Tool Safety**: 100/100
  - No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.
  - We read all 16 captured tool definition(s), and no name or description among them implies an irreversible operation.
  - An AI judge read all 18 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.
  - Supports UI / widget rendering.

## Install

### How do I install the Factline Netherlands MCP server?

Factline Netherlands is a hosted endpoint at https://factline.dev/mcp/nl, so there is nothing to install locally. 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 --transport http snefhew-factline-nl 'https://factline.dev/mcp/nl'
```

### Cursor

```json
{
  "mcpServers": {
    "snefhew-factline-nl": {
      "url": "https://factline.dev/mcp/nl"
    }
  }
}
```

### VS Code

```json
{
  "servers": {
    "snefhew-factline-nl": {
      "type": "http",
      "url": "https://factline.dev/mcp/nl"
    }
  }
}
```

### Codex

```toml
[mcp_servers.snefhew-factline-nl]
url = "https://factline.dev/mcp/nl"
```

### opencode

```json
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "snefhew-factline-nl": {
      "type": "remote",
      "url": "https://factline.dev/mcp/nl",
      "enabled": true
    }
  }
}
```

### OpenClaw

```bash
openclaw mcp add snefhew-factline-nl --url 'https://factline.dev/mcp/nl' --transport streamable-http
```

### Hermes

```yaml
mcp_servers:
  snefhew-factline-nl:
    url: "https://factline.dev/mcp/nl"
```

### Netclaw

```json
{
  "McpServers": {
    "snefhew-factline-nl": {
      "Transport": "http",
      "Url": "https://factline.dev/mcp/nl"
    }
  }
}
```

### Vellum

```bash
assistant mcp add snefhew-factline-nl -t streamable-http -u 'https://factline.dev/mcp/nl'
```

### Other

```json
{
  "mcpServers": {
    "snefhew-factline-nl": {
      "type": "http",
      "url": "https://factline.dev/mcp/nl"
    }
  }
}
```

The mcpServers block is a cross-client convention. Remote transports vary, so check your client's docs.

## 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.

### 2026-11-04 (score 87, +1)

No change was recorded against any check on this day. Stability & Change Management went from 73 to 77. That category is still filling its 30-day observation window: 22 days of observed history at the previous scan, 23 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-11-03 (score 86, 0)

- [functional] Server version: 0.14.0 → 0.15.0

### 2026-11-02 (score 86, +1)

- [functional improvement] Schema quality: 154 → 136
- [functional] New resource “skill-bank-details-changed”
- [functional] New resource “skill-before-paying-a-new-payee”
- [functional] New resource “skill-eudr-geolocation-file”
- [functional] New resource “skill-is-this-supplier-real”
- [functional] Server version: 0.13.0 → 0.14.0

### 2026-11-01 (score 85, 0)

- [functional improvement] Tool “nl_home_basic” now declares an output schema
- [functional improvement] Tool “nl_neighbourhood_summary” now declares an output schema
- [functional improvement] Tool “nl_schools_near” now declares an output schema
- [functional] First check of Tool coverage: 19

### 2026-10-31 (score 85, 0)

- [security] The server rewrote its instructions, which are the text every model session reads
- [functional regression] Schema quality: 132 → 154
- [functional] Server version: 0.11.0 → 0.13.0
- [cosmetic] “nl_address_batch” added an optional parameter “api_key”
- [cosmetic] “nl_address_lookup” added an optional parameter “api_key”
- [cosmetic] “nl_address_reverse” added an optional parameter “api_key”
- [cosmetic] “nl_crime” added an optional parameter “api_key”
- [cosmetic] “nl_energy_label” added an optional parameter “api_key”
- [cosmetic] “nl_flood_risk” added an optional parameter “api_key”
- [cosmetic] “nl_home_compare” added an optional parameter “api_key”
- [cosmetic] “nl_home_report” added an optional parameter “api_key”
- [cosmetic] “nl_house_prices” added an optional parameter “api_key”
- [cosmetic] “nl_neighbourhood” added an optional parameter “api_key”
- [cosmetic] “nl_postcode_addresses” added an optional parameter “api_key”
- [cosmetic] “nl_rent_check” added an optional parameter “api_key”

### 2026-10-30 (score 85, +1)

No change was recorded against any check on this day. Stability & Change Management went from 57 to 60. That category is still filling its 30-day observation window: 17 days of observed history at the previous scan, 18 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-10-29 (score 84, 0)

- [functional] New resource “skill-check-a-chinese-supplier”

### 2026-10-28 (score 84, +1)

- [functional improvement] Schema quality: 162 → 136
- [functional] New resource “skill-before-an-x402-payment”
- [functional] New resource “skill-check-a-counterparty”
- [functional] New resource “skill-dutch-address-and-vehicle-facts”
- [functional] New resource “skill-verify-before-paying”
- [functional] Server version: 0.10.0 → 0.11.0

## MCP tools (16)

### `nl_home_basic` (~157 tokens)

Dutch address facts (free)

Free. Use when the user mentions a Dutch address or asks about a home in the Netherlands: year built, floor area, use, neighbourhood residents and average home value, liveability percentile, in English. Accepts postcode + house number or free text. Sources: BAG, CBS, Leefbaarometer.

Input parameters:

- `addition` (string): Optional house number addition
- `house_letter` (string): Optional house letter, e.g. A
- `house_number` (integer): House number, e.g. 1
- `postcode` (string): Dutch postcode, e.g. 3511LX
- `q` (string): Alternative to postcode: free-text address, e.g. 'Visschersplein 1 Utrecht'

Output parameters:

- `address`: The address found
- `building`: Year built, floor area and use from BAG
- `liveability`: Leefbaarometer score
- `neighbourhood`: Residents and average home value from CBS
- `see_url`: Factline page for this address
- `source`: Sources to cite

### `nl_neighbourhood_summary` (~146 tokens)

Dutch neighbourhood summary (free)

Free. Use when the user asks what a Dutch neighbourhood or postcode area is like, or whether it is safe: headline facts for a postcode: residents, average home value (WOZ) and the municipality's average sale price, share of owner-occupied homes, liveability percentile, crime per 1,000 residents vs the national rate, and distance to supermarket, GP, primary school and train station. Sources: CBS, Politie, Leefbaarometer.

Input parameters:

- `code` (string): Alternative: CBS neighbourhood code, e.g. BU05182245
- `postcode` (string): Any Dutch postcode in the neighbourhood, e.g. 2517AS

Output parameters:

- `area`: Neighbourhood name and code
- `housing`: Home values and ownership
- `population`: Residents and households
- `source`: Sources to cite

### `nl_schools_near` (~140 tokens)

Dutch schools near a postcode (free)

Free. Use when the user asks about schools near a Dutch address or postcode, or is moving with children: the nearest primary and secondary schools, with distance, denomination, pupils, the share of pupils reaching the target reading and maths level on the end-of-primary test (vs national), and secondary exam pass rates per track (vmbo/havo/vwo). Also the nearest daycare (0 to 4) and after-school care (4 to 12) with registered places. Sources: DUO, Landelijk Register Kinderopvang.

Input parameters:

- `postcode` (string, required): Dutch postcode, e.g. 3511LX or 3511

Output parameters:

- `schools`: Schools with type, distance and pupils
- `source`: Sources to cite

### `buy_full_address_report` (~184 tokens)

Buy the full report for a Dutch address (EUR 2.95)

Returns a secure payment link (iDEAL or card, via Dodo Payments, EUR 2.95 incl. VAT) for the full English report on a Dutch address: crime vs national rate, noise and air quality, flood probability, ground height, monuments, permits, amenities, liveability breakdown and home-value trend. The report opens right after payment. Only use when the user wants the full report or asks to buy it.

Input parameters:

- `addition` (string): Optional house number addition
- `house_letter` (string): Optional house letter, e.g. A
- `house_number` (integer): House number, e.g. 1
- `postcode` (string): Dutch postcode, e.g. 3511LX
- `q` (string): Alternative to postcode: free-text address, e.g. 'Visschersplein 1 Utrecht'

### `nl_home_report` (~264 tokens)

Dutch address report (paid)

Use when the user asks about a specific Dutch home or address before renting, buying or moving: full English report with year built, floor area, energy label, crime vs national rate, noise, air quality (NO2, PM2.5), ground height, monuments, permits, schools, 18 amenity distances, neighbourhood income and home values. Input: postcode + house number. Sources: Kadaster, CBS, Politie, RIVM, RVO. Costs 0.04 USDC via x402, or 20 credits of a Factline API key. The first 5 paid-tool calls a day are free, no payment or key needed.

Input parameters:

- `addition` (string): Optional house number addition
- `api_key` (string): Factline API key (fl_live_...) from get_trial_key: pass it here right after you get one, no reconnect needed
- `house_letter` (string): Optional house letter, e.g. A
- `house_number` (integer): House number, e.g. 1
- `postcode` (string): Dutch postcode, e.g. 3511LX
- `q` (string): Alternative to postcode: free-text address, e.g. 'Visschersplein 1 Utrecht'

### `nl_home_compare` (~187 tokens)

Compare Dutch addresses (paid)

Use when the user is choosing between 2 to 5 Dutch addresses: side-by-side liveability, crime, home values, floor area, year built, noise, air quality, ground height and distances to station, supermarket, school and GP, with the best address per metric and the full report for each. Input: addresses separated by ';'. Costs 0.08 USDC via x402, or 40 credits of a Factline API key. The first 5 paid-tool calls a day are free, no payment or key needed.

Input parameters:

- `addresses` (string, required): 2 to 5 Dutch addresses separated by ';', e.g. '3511LX 1; 2517AS 100'
- `api_key` (string): Factline API key (fl_live_...) from get_trial_key: pass it here right after you get one, no reconnect needed

### `nl_neighbourhood` (~198 tokens)

Dutch neighbourhood profile (paid)

Use when the user asks what a Dutch neighbourhood or postcode area is like: residents and age mix, housing and home values, household income, energy use, distances to 18 amenities, police-registered crime vs national rate and liveability score, in English. Input: any postcode or CBS buurt code. Sources: CBS, Politie, Leefbaarometer. Costs 0.01 USDC via x402, or 5 credits of a Factline API key. The first 5 paid-tool calls a day are free, no payment or key needed.

Input parameters:

- `api_key` (string): Factline API key (fl_live_...) from get_trial_key: pass it here right after you get one, no reconnect needed
- `code` (string): Alternative: CBS neighbourhood code, e.g. BU05182245
- `postcode` (string): Any Dutch postcode in the neighbourhood, e.g. 2517AS

### `nl_address_lookup` (~234 tokens)

Validate and geocode a Dutch address (paid)

Use when you need to check that a Dutch address exists or get its exact spelling and coordinates: official BAG address from postcode + house number or free text, latitude/longitude, BAG ids, municipality, province and CBS neighbourhood code. Cheap address validation for onboarding, delivery and CRM. Source: Kadaster BAG via PDOK. Costs 0.002 USDC via x402, or 1 credit of a Factline API key. The first 5 paid-tool calls a day are free, no payment or key needed.

Input parameters:

- `addition` (string): Optional house number addition
- `api_key` (string): Factline API key (fl_live_...) from get_trial_key: pass it here right after you get one, no reconnect needed
- `house_letter` (string): Optional house letter, e.g. A
- `house_number` (integer): House number, e.g. 1
- `postcode` (string): Dutch postcode, e.g. 3511LX
- `q` (string): Alternative to postcode: free-text address, e.g. 'Visschersplein 1 Utrecht'

### `nl_address_reverse` (~179 tokens)

Reverse geocode Dutch coordinates (paid)

Use when you have coordinates in the Netherlands and need the address: nearest official BAG address with distance in metres, postcode, city, municipality, province, BAG ids and CBS buurt and wijk codes, plus other nearby addresses. Input: WGS84 latitude and longitude. Source: Kadaster BAG via PDOK. Costs 0.002 USDC via x402, or 1 credit of a Factline API key. The first 5 paid-tool calls a day are free, no payment or key needed.

Input parameters:

- `api_key` (string): Factline API key (fl_live_...) from get_trial_key: pass it here right after you get one, no reconnect needed
- `lat` (string, required): Latitude, e.g. 52.0836
- `lon` (string, required): Longitude, e.g. 4.2919

### `nl_energy_label` (~231 tokens)

Energy label of a Dutch home (paid)

Use when the user asks for the energy label of a Dutch home: the officially registered label (A++++ to G), registration and expiry date, building type and energy index, or a clear 'none registered'. Input: postcode + house number. Source: RVO EP-Online, the Dutch national register. Costs 0.005 USDC via x402, or 3 credits of a Factline API key. The first 5 paid-tool calls a day are free, no payment or key needed.

Input parameters:

- `addition` (string): Optional house number addition
- `api_key` (string): Factline API key (fl_live_...) from get_trial_key: pass it here right after you get one, no reconnect needed
- `house_letter` (string): Optional house letter, e.g. A
- `house_number` (integer): House number, e.g. 1
- `postcode` (string): Dutch postcode, e.g. 3511LX
- `q` (string): Alternative to postcode: free-text address, e.g. 'Visschersplein 1 Utrecht'

### `nl_crime` (~192 tokens)

Crime in a Dutch neighbourhood (paid)

Use when the user asks whether a Dutch neighbourhood or postcode is safe: police-registered crime per 1,000 residents vs the national rate, split into burglary, bicycle theft, vehicle crime, violence and vandalism, with counts and a ratio. Input: Dutch postcode or CBS buurt code. Source: Politie open data, CBS. Costs 0.003 USDC via x402, or 2 credits of a Factline API key. The first 5 paid-tool calls a day are free, no payment or key needed.

Input parameters:

- `api_key` (string): Factline API key (fl_live_...) from get_trial_key: pass it here right after you get one, no reconnect needed
- `code` (string): Alternative: CBS neighbourhood code, e.g. BU05182245
- `postcode` (string): Any Dutch postcode in the neighbourhood, e.g. 2517AS

### `nl_postcode_addresses` (~153 tokens)

All addresses in a Dutch postcode (paid)

Use when you need every address in a Dutch postcode: street, house number, letter and addition, BAG id and coordinates, sorted. For address pickers, delivery and canvassing routes and data cleaning. Source: Kadaster BAG via PDOK. Costs 0.005 USDC via x402, or 3 credits of a Factline API key. The first 5 paid-tool calls a day are free, no payment or key needed.

Input parameters:

- `api_key` (string): Factline API key (fl_live_...) from get_trial_key: pass it here right after you get one, no reconnect needed
- `postcode` (string, required): 6-character postcode, e.g. 2517AS

### `nl_address_batch` (~198 tokens)

Enrich up to 10 Dutch addresses (paid)

Use when enriching a list of Dutch addresses (up to 10 per call, 0.0015 USDC each): official BAG address and coordinates, CBS neighbourhood, liveability percentile, crime per 1,000 residents vs national, average home value and optionally the energy label. Unfound addresses are flagged, not charged extra. Costs 0.015 USDC via x402, or 8 credits of a Factline API key. The first 5 paid-tool calls a day are free, no payment or key needed.

Input parameters:

- `addresses` (string, required): 1 to 10 addresses separated by ';', e.g. '3511LX 1; 2517AS 100'
- `api_key` (string): Factline API key (fl_live_...) from get_trial_key: pass it here right after you get one, no reconnect needed
- `include` (string): 'energy_label' to add energy labels

### `nl_rent_check` (~256 tokens)

Rent points estimate for a Dutch home (paid)

Use when a tenant asks if their Dutch rent is too high or what the maximum rent is: estimated rent points (WWS) from floor area, energy label and neighbourhood WOZ, the likely segment (social up to 143 points, middle 144-186, free 187+) and the approximate maximum basic rent (2026 limits). An estimate with a link to the official check. Input: postcode + house number. Costs 0.01 USDC via x402, or 5 credits of a Factline API key. The first 5 paid-tool calls a day are free, no payment or key needed.

Input parameters:

- `addition` (string): Optional house number addition
- `api_key` (string): Factline API key (fl_live_...) from get_trial_key: pass it here right after you get one, no reconnect needed
- `house_letter` (string): Optional house letter, e.g. A
- `house_number` (integer): House number, e.g. 1
- `postcode` (string): Dutch postcode, e.g. 3511LX
- `q` (string): Alternative to postcode: free-text address, e.g. 'Visschersplein 1 Utrecht'

### `nl_flood_risk` (~239 tokens)

Flood risk for a Dutch address (paid)

Use when the user asks if a Dutch address can flood: annual flood probability (any water, over 20, 50 and 200 cm) from Rijkswaterstaat LIWO, 2050 and 2100 climate scenarios, worst-case water depth and ground height vs sea level (AHN). Input: postcode + house number. Costs 0.004 USDC via x402, or 2 credits of a Factline API key. The first 5 paid-tool calls a day are free, no payment or key needed.

Input parameters:

- `addition` (string): Optional house number addition
- `api_key` (string): Factline API key (fl_live_...) from get_trial_key: pass it here right after you get one, no reconnect needed
- `house_letter` (string): Optional house letter, e.g. A
- `house_number` (integer): House number, e.g. 1
- `postcode` (string): Dutch postcode, e.g. 3511LX
- `q` (string): Alternative to postcode: free-text address, e.g. 'Visschersplein 1 Utrecht'

### `nl_house_prices` (~194 tokens)

Dutch house prices for a postcode (paid)

Use when the user asks what homes cost in a Dutch area: average home value (WOZ) in the neighbourhood with its trend, plus actual average sale prices per year in the municipality vs the national average. Context for an asking price, not a valuation of one home. Input: postcode or CBS buurt code. Source: CBS, Kadaster. Costs 0.003 USDC via x402, or 2 credits of a Factline API key. The first 5 paid-tool calls a day are free, no payment or key needed.

Input parameters:

- `api_key` (string): Factline API key (fl_live_...) from get_trial_key: pass it here right after you get one, no reconnect needed
- `code` (string): Alternative: CBS neighbourhood code, e.g. BU05182245
- `postcode` (string): Any Dutch postcode in the neighbourhood, e.g. 2517AS

## Diagnostics

Captured diagnostic sections: TLS, DNSSEC, Authorisation, Transports. The full working is on the page: https://verifymcp.io/servers/snefhew-factline-nl/mcp-nl#diagnostics

## Score history

- 2026-11-05: 87
- 2026-11-04: 87
- 2026-11-03: 86
- 2026-11-02: 86
- 2026-11-01: 85
- 2026-10-31: 85
- 2026-10-30: 85
- 2026-10-29: 84
- 2026-10-28: 84
- 2026-10-27: 83
- 2026-10-26: 82
- 2026-10-25: 82
- 2026-10-24: 81
- 2026-10-23: 81
- 2026-10-22: 80
- 2026-10-21: 80
- 2026-10-20: 76
- 2026-10-19: 75
- 2026-10-18: 75
- 2026-10-17: 75
- 2026-10-16: 74
- 2026-10-15: 74
- 2026-10-14: 73
- 2026-10-13: 73
- 2026-10-12: 72

## Common questions

### What is the Factline Netherlands MCP server?

Factline Netherlands is an MCP server listed in the public MCP registry as io.github.snefhew/factline-nl. Dutch addresses, neighbourhoods, crime, flood risk, rent and schools. 5 checks a day free, no key. This page covers its hosted endpoint (https://factline.dev/mcp/nl).

### Is the Factline Netherlands MCP server safe to use?

Factline Netherlands scores 87 out of 100 on VerifyMCP. 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 Factline Netherlands MCP server expose?

Factline Netherlands exposes 16 tools: nl_home_basic, nl_neighbourhood_summary, nl_schools_near, buy_full_address_report, nl_home_report, and 11 more. Their descriptions and schemas cost roughly 3,152 tokens of context every time the server is loaded.

### Does the Factline Netherlands MCP server require authentication?

No. We connected to Factline Netherlands without credentials and it answered, so anything it exposes is reachable by anyone who knows the address.

### Is the Factline Netherlands MCP server still maintained?

Factline Netherlands 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.

## Links

- Remote endpoint: https://factline.dev/mcp/nl
- Website: https://factline.dev/
- Changelog RSS feed: https://verifymcp.io/servers/snefhew-factline-nl/mcp-nl.xml
- Changelog JSON feed: https://verifymcp.io/servers/snefhew-factline-nl/mcp-nl.json
- HTML version of this page: https://verifymcp.io/servers/snefhew-factline-nl/mcp-nl