# Everyday agent tools (remote · fourzerotwo.si)

Time zones and world business days, VAT rates and maths, currency conversion, UK business days…

- Trust score: 83/100 (high trust)
- Change this week: +3
- Registry status: active
- Liveness: live
- Owner verified: no
- Last scored: 2026-11-04

## Components

- remote · `fourzerotwo.si`: 83/100 (this document), [markdown](https://verifymcp.io/servers/si-fourzerotwo-tools/mcp-v-tools.md), [page](https://verifymcp.io/servers/si-fourzerotwo-tools/mcp-v-tools)

## Channel facts

- Endpoint: `https://fourzerotwo.si/mcp/v/tools`
- Transports: `streamable-http`
- Auth: `none`
- Version: `1.0.1`

## 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 2026-11-04.

- **Endpoint Security**: 80/100
  - 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 check failed: this domain isn't protected by DNSSEC.
- **Transport & Reachability**: 100/100
  - Verified streamable-http transport via a live MCP handshake.
- **Schema Quality & AI Usability**: 70/100
  - AI-judged instruction clarity (good).
  - Tool/resource definitions use about 1327 tokens (~73/item across 18 items; 18 tools + 0 resources), lean.
  - Usage-examples check failed: none of the tools include examples.
- **Stability & Change Management**: 77/100
  - Stability observed for 23 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 (100% 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 18 captured tool definition(s), and no name or description among them implies an irreversible operation.
  - An AI judge read all 19 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 Everyday agent tools MCP server?

Everyday agent tools is a hosted endpoint at https://fourzerotwo.si/mcp/v/tools, 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 si-fourzerotwo-tools 'https://fourzerotwo.si/mcp/v/tools'
```

### Cursor

```json
{
  "mcpServers": {
    "si-fourzerotwo-tools": {
      "url": "https://fourzerotwo.si/mcp/v/tools"
    }
  }
}
```

### VS Code

```json
{
  "servers": {
    "si-fourzerotwo-tools": {
      "type": "http",
      "url": "https://fourzerotwo.si/mcp/v/tools"
    }
  }
}
```

### Codex

```toml
[mcp_servers.si-fourzerotwo-tools]
url = "https://fourzerotwo.si/mcp/v/tools"
```

### opencode

```json
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "si-fourzerotwo-tools": {
      "type": "remote",
      "url": "https://fourzerotwo.si/mcp/v/tools",
      "enabled": true
    }
  }
}
```

### OpenClaw

```bash
openclaw mcp add si-fourzerotwo-tools --url 'https://fourzerotwo.si/mcp/v/tools' --transport streamable-http
```

### Hermes

```yaml
mcp_servers:
  si-fourzerotwo-tools:
    url: "https://fourzerotwo.si/mcp/v/tools"
```

### Netclaw

```json
{
  "McpServers": {
    "si-fourzerotwo-tools": {
      "Transport": "http",
      "Url": "https://fourzerotwo.si/mcp/v/tools"
    }
  }
}
```

### Vellum

```bash
assistant mcp add si-fourzerotwo-tools -t streamable-http -u 'https://fourzerotwo.si/mcp/v/tools'
```

### Other

```json
{
  "mcpServers": {
    "si-fourzerotwo-tools": {
      "type": "http",
      "url": "https://fourzerotwo.si/mcp/v/tools"
    }
  }
}
```

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.

### 2026-11-03 (score 83, +1)

No change was recorded against any check on this day. Stability & Change Management went from 70 to 73. That category is still filling its 30-day observation window: 21 days of observed history at the previous scan, 22 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-11-01 (score 82, +1)

No change was recorded against any check on this day. Stability & Change Management went from 63 to 67. That category is still filling its 30-day observation window: 19 days of observed history at the previous scan, 20 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-10-29 (score 81, +1)

No change was recorded against any check on this day. Stability & Change Management went from 53 to 57. That category is still filling its 30-day observation window: 16 days of observed history at the previous scan, 17 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-10-27 (score 80, +1)

No change was recorded against any check on this day. Stability & Change Management went from 47 to 50. That category is still filling its 30-day observation window: 14 days of observed history at the previous scan, 15 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-10-25 (score 79, +1)

No change was recorded against any check on this day. Stability & Change Management went from 40 to 43. That category is still filling its 30-day observation window: 12 days of observed history at the previous scan, 13 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-10-23 (score 78, +1)

No change was recorded against any check on this day. Stability & Change Management went from 33 to 37. That category is still filling its 30-day observation window: 10 days of observed history at the previous scan, 11 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-10-21 (score 77, +1)

No change was recorded against any check on this day. Stability & Change Management went from 27 to 30. That category is still filling its 30-day observation window: 8 days of observed history at the previous scan, 9 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-10-19 (score 76, +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.

## MCP tools (18)

### `calculators__uk-business-days` (~116 tokens)

Calculators: UK business days

Is a date a UK business day; add or subtract N business days; count business days between dates. Uses official bank holidays per nation. Free within the daily allowance, then $0.001 USDC per call via x402.

Input parameters:

- `add` (integer): Business days to add (negative to subtract)
- `date` (string, required): YYYY-MM-DD
- `nation` (string): england-and-wales, scotland, northern-ireland
- `until` (string): Count business days until YYYY-MM-DD

### `calculators__postcode-distance` (~64 tokens)

Calculators: Distance between postcodes

Straight-line distance (km and miles) and compass bearing between two UK postcodes. Free within the daily allowance, then $0.002 USDC per call via x402.

Input parameters:

- `from` (string, required): Postcode
- `to` (string, required): Postcode

### `calculators__currency-convert` (~95 tokens)

Calculators: Currency conversion

Convert between ~30 currencies at the ECB reference rate for today or any date in the last 90 days. Free within the daily allowance, then $0.001 USDC per call via x402.

Input parameters:

- `amount` (string): Amount (default 1)
- `date` (string): YYYY-MM-DD (default latest)
- `from` (string, required): ISO currency
- `to` (string, required): ISO currency

### `time__convert` (~108 tokens)

Time Zones & Business Days: Convert a local time between zones

Convert a wall-clock time from one IANA zone to another; says when it is ambiguous (clocks go back) or never happens (clocks go forward). Free within the daily allowance, then $0.001 USDC per call via x402.

Input parameters:

- `from` (string, required): IANA zone of that time
- `time` (string, required): Local time YYYY-MM-DDTHH:MM[:SS], no offset
- `to` (string, required): IANA zone to convert to

### `time__now` (~61 tokens)

Time Zones & Business Days: Current time in a zone

Local time, UTC, offset, abbreviation, DST flag, weekday and ISO week for a zone. Free within the daily allowance, then $0.001 USDC per call via x402.

Input parameters:

- `zone` (string): IANA zone (default UTC)

### `time__zone-info` (~74 tokens)

Time Zones & Business Days: Time zone facts

Offset, abbreviation and DST at a moment, plus the next clock change, for an IANA zone. Free within the daily allowance, then $0.001 USDC per call via x402.

Input parameters:

- `at` (string): Date/time to evaluate (default now)
- `zone` (string, required): IANA zone

### `time__business-days` (~107 tokens)

Time Zones & Business Days: Business days (any country)

Count business days between two dates, or add business days to a date, skipping weekends and the country's public holidays. Free within the daily allowance, then $0.001 USDC per call via x402.

Input parameters:

- `country` (string, required): ISO country code
- `days` (integer): Business days to add (add mode; negative goes back)
- `from` (string, required): Start date YYYY-MM-DD
- `to` (string): End date YYYY-MM-DD (count mode)

### `time__signed` (~47 tokens)

Time Zones & Business Days: Paid test call

Server UTC time and a request id. The cheapest paid endpoint: use it to test an x402 payment end to end. Costs $0.001 USDC per call via x402.

### `uk-bank-holidays__all` (~39 tokens)

UK Bank Holidays: All bank holidays

Every published UK bank holiday by division. Free within the daily allowance, then $0.001 USDC per call via x402.

### `uk-bank-holidays__england-and-wales` (~42 tokens)

UK Bank Holidays: England & Wales

Bank holidays in England and Wales. Free within the daily allowance, then $0.001 USDC per call via x402.

### `uk-bank-holidays__scotland` (~37 tokens)

UK Bank Holidays: Scotland

Bank holidays in Scotland. Free within the daily allowance, then $0.001 USDC per call via x402.

### `uk-bank-holidays__northern-ireland` (~41 tokens)

UK Bank Holidays: Northern Ireland

Bank holidays in Northern Ireland. Free within the daily allowance, then $0.001 USDC per call via x402.

### `vat__rates` (~68 tokens)

VAT Rates & Checks: VAT rates

Standard, reduced and super-reduced VAT rates for one country or all of EU27 + UK, with the date they were checked. Free within the daily allowance, then $0.001 USDC per call via x402.

Input parameters:

- `country` (string): ISO code (omit for all)

### `vat__calculate` (~95 tokens)

VAT Rates & Checks: Add or remove VAT

Net to gross or gross to net at a given rate, or at a country's standard rate. Free within the daily allowance, then $0.001 USDC per call via x402.

Input parameters:

- `amount` (string, required): Amount
- `country` (string): Use this country's standard rate
- `from` (string): net (default) or gross
- `rate` (string): VAT rate in percent (or give country)

### `vat__validate-format` (~64 tokens)

VAT Rates & Checks: Validate a VAT number format

Country format and check digit for UK (GB/XI) and EU VAT numbers. Does not confirm registration. Free within the daily allowance, then $0.001 USDC per call via x402.

Input parameters:

- `vat_number` (string, required): VAT number with country prefix

### `holidays__year` (~84 tokens)

World Public Holidays: Holidays in a year

Official public holidays for a country (or region provider, e.g. Germany/Bavaria) in a year. Free within the daily allowance, then $0.001 USDC per call via x402.

Input parameters:

- `country` (string, required): ISO code (US, DE, FR, JP…) or provider name
- `year` (integer): Year (default this year)

### `holidays__check` (~80 tokens)

World Public Holidays: Holiday & business-day check

Is a date a public holiday or business day in a country; add N business days; next business day. Free within the daily allowance, then $0.001 USDC per call via x402.

Input parameters:

- `add` (integer): Business days to add
- `country` (string, required): ISO code
- `date` (string, required): YYYY-MM-DD

### `holidays__countries` (~36 tokens)

World Public Holidays: Supported countries

Every country and regional provider supported. Free within the daily allowance, then $0.0005 USDC per call via x402.

## Diagnostics

Captured diagnostic sections: TLS, DNSSEC, Authorisation, Transports. The full working is on the page: https://verifymcp.io/servers/si-fourzerotwo-tools/mcp-v-tools#diagnostics

## Score history

- 2026-11-04: 83
- 2026-11-03: 83
- 2026-11-02: 82
- 2026-11-01: 82
- 2026-10-31: 81
- 2026-10-30: 81
- 2026-10-29: 81
- 2026-10-28: 80
- 2026-10-27: 80
- 2026-10-26: 79
- 2026-10-25: 79
- 2026-10-24: 78
- 2026-10-23: 78
- 2026-10-22: 77
- 2026-10-21: 77
- 2026-10-20: 76
- 2026-10-19: 76
- 2026-10-18: 75
- 2026-10-17: 75
- 2026-10-16: 74
- 2026-10-15: 74
- 2026-10-14: 74
- 2026-10-13: 73
- 2026-10-12: 73

## Common questions

### What is the Everyday agent tools MCP server?

Everyday agent tools is an MCP server listed in the public MCP registry as si.fourzerotwo/tools. Time zones and world business days, VAT rates and maths, currency conversion, UK business days… This page covers its hosted endpoint (https://fourzerotwo.si/mcp/v/tools).

### Is the Everyday agent tools MCP server safe to use?

Everyday agent tools scores 83 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 Everyday agent tools MCP server expose?

Everyday agent tools exposes 18 tools: calculators__uk-business-days, calculators__postcode-distance, calculators__currency-convert, time__convert, time__now, and 13 more. Their descriptions and schemas cost roughly 1,258 tokens of context every time the server is loaded.

### Does the Everyday agent tools MCP server require authentication?

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

### Is the Everyday agent tools MCP server still maintained?

Everyday agent tools is still listed as active in the MCP registry. We last reached this channel on 4 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://fourzerotwo.si/mcp/v/tools
- Website: https://fourzerotwo.si/
- Changelog RSS feed: https://verifymcp.io/servers/si-fourzerotwo-tools/mcp-v-tools.xml
- Changelog JSON feed: https://verifymcp.io/servers/si-fourzerotwo-tools/mcp-v-tools.json
- HTML version of this page: https://verifymcp.io/servers/si-fourzerotwo-tools/mcp-v-tools