# FiltreCharbon

> Search FAC charcoal filters, check specifications and prepare a checkout link for France or Belgium.

- name: com.filtrecharbon/catalogue
- version: 1.0.0
- connection class: R0 (autonomous)
- trust: 82/100 flags: no-repository
- quality: 91/100 (strong)
- owner: not claimed
- descriptor: https://api.protogrid.dev/v1/servers/com.filtrecharbon%2Fcatalogue
- tools: https://api.protogrid.dev/v1/servers/com.filtrecharbon%2Fcatalogue/tools

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

## Connection (mcpServers)

```json
{
  "mcpServers": {
    "catalogue": {
      "type": "http",
      "url": "https://filtrecharbon.com/mcp"
    }
  }
}
```


## Trust

- hygiene: 80
- liveness: 99
- freshness: 100
- provenance: 55
- drivers: +dns-namespace +website +reachable +uptime-98% +updated-23d-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 2025-11-25; 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`: 3 of 3 tools declare readOnlyHint or destructiveHint
- pass `tools.directory_hints`: every tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
- pass `tools.token_cost`: about 650 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: 3, about 650 tokens to load them all
- tool set hash: 0d71389b5fe39fa13e04bba5d2a4b7ba
- badge: [![protogrid quality](https://protogrid.dev/badge/com.filtrecharbon/catalogue.svg)](https://protogrid.dev/servers/com.filtrecharbon/catalogue)
- 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://filtrecharbon.com/mcp (streamable-http, auth none, reachable true, uptime30d 0.97727275)

## Packages

_none_

## Tools (3)

- `details_filtre`: Consulte les caractéristiques publiques, les références associées, le prix et le stock du catalogue. Unknown dimensions stay unknown. No access to customer or order data.
- `preparer_commande`: Prépare uniquement un lien privé vers FiltreCharbon.com. Ne crée aucune commande et ne réalise aucun paiement. Client coordinates are optional: obtain explicit user consent before passing them. The link contains personal data in its fragment; show it only to that user, never publish it. The user reviews product and address on the site and confirms payment themselves. Do not submit card data. Supports France and Belgium.
- `trouver_filtre`: Recherche une référence exacte de filtre ou d’appareil dans le catalogue FAC. Returns up to 3 catalogue matches, dimensions, price and confidence. Catalogue matches require verification; preserve the full E-Nr suffix. Do not send personal information or photographs to this text-only tool.