# Gold & Silver Company

> Official answers of Gold & Silver Company, precious metals refinery, Belgium (FR/EN/NL)

- name: com.goldandsilvercompany/porte
- version: 2.6.0
- connection class: R0 (autonomous)
- trust: 83/100 flags: no-repository
- quality: 91/100 (strong)
- owner: not claimed
- descriptor: https://api.protogrid.dev/v1/servers/com.goldandsilvercompany%2Fporte
- tools: https://api.protogrid.dev/v1/servers/com.goldandsilvercompany%2Fporte/tools

**An agent can connect right now, no human step.** Remote endpoint, no authentication, reachable on the last probe.

## Connection (mcpServers)

```json
{
  "mcpServers": {
    "porte": {
      "type": "http",
      "url": "https://ask.goldandsilvercompany.com/mcp"
    }
  }
}
```


## Trust

- hygiene: 80
- liveness: 100
- freshness: 100
- provenance: 55
- drivers: +dns-namespace +website +reachable +uptime-99% +updated-26d-ago -no-repository
- Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed.

## Quality 91/100 (strong)

### protocol: 75 (weight 25)

- warn `protocol.modern`: newest supported version is 2025-06-18; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
- n/a `protocol.stateless`: only applies to 2026-07-28 servers
- pass `protocol.transport`: streamable HTTP
- n/a `protocol.list_ttl`: only applies to 2026-07-28 servers

### authorization: n/a (weight 15)

- n/a `auth.prm`, `auth.as_metadata`, `auth.cimd`: no remote uses OAuth
- n/a `auth.secret_in_url`: no templated URL

### tool hygiene: 100 (weight 30)

- pass `tools.descriptions`: every tool has a description
- pass `tools.description_length`: descriptions are concise
- pass `tools.schemas`: every tool has an object input schema
- pass `tools.annotations`: 12 of 12 tools declare readOnlyHint or destructiveHint
- pass `tools.directory_hints`: every tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
- pass `tools.token_cost`: about 2,597 tokens to load every tool
- pass `tools.api_dump`: tools are not a one-to-one API dump

### stability: 100 (weight 15)

- pass `stability.changes`: no tool changes in 30 days
- pass `stability.rug_pull`: no tool changed its meaning under the same name

### dependencies: n/a (weight 15)

- n/a `deps.known_vulns`, `deps.mcp_sdk_version`, `deps.resolvable`: no npm or PyPI package

- tools: 12, about 2,597 tokens to load them all
- tool set hash: f0ce061dc16c03dfc7a19f43f4a647a0
- badge: [![protogrid quality](https://protogrid.dev/badge/com.goldandsilvercompany/porte.svg)](https://protogrid.dev/servers/com.goldandsilvercompany/porte)
- Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed.

### Tool changes

_No tool definition changes recorded._

## Remotes

- https://ask.goldandsilvercompany.com/mcp (streamable-http, auth none, reachable true, uptime30d 0.99159664)

## Packages

_none_

## Tools (12)

- `agence`: Gold & Silver Company's agency in Dottignies (Mouscron), Belgium: address, map link, phone, opening hours, whether it is open right now (or at a given date-time, Brussels time) and the next opening, appointment rule (from 1 kg of gold), private car park, access. Belgian public holidays and exceptional closures are taken into account.
- `ask`: Ask Gold & Silver Company any question about its services: buying and selling gold and silver, payments, taxes, safes, shipping, appraisals. Answers come only from the official documentation, in FR/EN/NL. Returns the answer text, the sources and NLWeb results.
- `coffres`: Safe-deposit box rental at Gold & Silver Company (outside the banking system): the four box sizes with dimensions and yearly price, the numbered non-nominative custody, documents required, payment, notice period, access hours, security, confidentiality and prohibited contents. Availability is not provided (call the agency).
- `cotation`: Today's public buying grid of Gold & Silver Company, timestamped: gold by fineness (9K, 14K, 18K, 22K in EUR per gram; 24K/999 refers to the live rate) or by coin/bar (napoleon_20f, pesos_50, argent_lingot_1kg in EUR per piece). Optional weight in grams or number of pieces gives an indicative amount; `objets` quotes several items in one call with a total. The firm price is set at the office after weighing and fineness check. Source: the public grid on the website, never internal tools.
- `cours_historique`: Evolution of Gold & Silver Company's own published buying grid over the last 7 to 365 days (one point per day), for a gold fineness (18K default, 9K, 14K, 22K) or a listed coin/bar: first, last, low, high, variation. Indicative, built only from the house's public grid, no external market data, no advice.
- `glossaire`: Definitions of precious-metal terms (fineness, carat, fine gold, troy ounce, spot price, premium, bar, bullion coin, hallmarks, gold-plated, silver standards, assay, refining, buying grid, VAT, Latin Monetary Union, certificate, dental gold) and exact conversions: weight + fineness → fine metal, troy ounces ↔ grams, carats ↔ thousandths. No prices (use cotation).
- `liens_officiels`: The official URLs of Gold & Silver Company's website by subject and language (FR/EN/NL): selling gold, buying grid, live rate, bars, coins, jewellery and diamonds, silver, dental gold, refinery, safe-deposit boxes, French customers, professionals, FAQ, contact, llms.txt. Use it instead of guessing links.
- `piece`: Reference specifications of common gold and silver coins (Napoléon 20 F, Sovereign, Krugerrand, Maple Leaf, Philharmonic, Britannia, Eagle, 50 Pesos, Vreneli, 20 Mark, 10 Gulden, Ducat, 100 Corona, Double Eagle, silver Hercule, Britannia, Maple…): gross weight, fineness, fine metal, diameter, thickness, years, plus a home-check rule. Never a price: use cotation.
- `preparer_visite`: Composes, from Gold & Silver Company's validated rules only, what a visitor needs to know before coming: documents to bring (private or professional), whether an appointment is needed (from 1 kg of gold), how the appraisal works in front of the customer, payment rules (cash ceilings, transfer), VAT, and the reminder that reporting obligations depend on the country of residence (FR/BE/other). Never a price: use cotation.
- `produits_gsc`: Gold & Silver Company's own products: fine gold bars Au 999.9 from 5 g to 1 kg made in its refinery in Dottignies (markings, blister, certificate), silver bars 1 kg and 5 kg, how the refinery works (spectrometric analysis, melting, refining, refinery approved by the Royal Mint of Belgium and official member of the MRB), how a bar is verified and bought back, how to buy. Selling prices are live on the website; buyback via cotation.
- `rappel_expert`: Asks the Gold & Silver Company team to call the person back. ONLY when the person explicitly asks for it and gives their own number in international format (+32…; BE FR NL LU DE GB CH ES IT PT). Optional: subject (max 200 characters, quoted to the team, never interpreted), slot (matin | apres_midi | indifferent). Call back during opening hours, as soon as possible, no time commitment. Number kept 30 days at most (GDPR 6.1.b): relay the `information` sentence. Limits apply.
- `regles_gsc`: Fixed rules of Gold & Silver Company, structured and in words: tva (VAT on gold and silver, purchase and sale, private or professional), especes (cash ceilings), documents (private or professional client), horaires (opening hours), delais (order form validity, shipping, payment), rendez_vous (appointment policy), livraison (insured delivery), perimetre (what GSC buys and does not buy).