# compatsy home espresso

> What fits, with live prices: specs, fit verdicts with rule ids and stock for home espresso.

- name: com.compatsy/home-espresso
- version: 0.1.0
- connection class: R0 (autonomous)
- trust: 96/100
- quality: 86/100 (good)
- owner: not claimed
- descriptor: https://api.protogrid.dev/v1/servers/com.compatsy%2Fhome-espresso
- tools: https://api.protogrid.dev/v1/servers/com.compatsy%2Fhome-espresso/tools

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

## Connection (mcpServers)

```json
{
  "mcpServers": {
    "home-espresso": {
      "type": "http",
      "url": "https://compatsy.com/home-espresso/mcp"
    }
  }
}
```


## Trust

- hygiene: 100
- liveness: 100
- freshness: 100
- provenance: 85
- drivers: +repository +dns-namespace +website +reachable +uptime-100% +updated-9d-ago
- Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed.

## Quality 86/100 (good)

### 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`: 6 of 6 tools declare readOnlyHint or destructiveHint
- pass `tools.directory_hints`: every tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
- pass `tools.token_cost`: about 990 tokens to load every tool
- pass `tools.api_dump`: tools are not a one-to-one API dump

### stability: 75 (weight 15)

- warn `stability.changes`: 14 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: 6, about 990 tokens to load them all
- tool set hash: ffc60606714558ffc7596dda3dab852e
- tools last changed: 2026-11-03T20:39:58.431Z
- badge: [![protogrid quality](https://protogrid.dev/badge/com.compatsy/home-espresso.svg)](https://protogrid.dev/servers/com.compatsy/home-espresso)
- Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed.

### Tool changes

- 2026-11-03 `report_issue` changed (annotations)
- 2026-11-03 `check_stock` changed (annotations)
- 2026-11-03 `check_fit` changed (annotations)
- 2026-11-03 `compare` changed (annotations)
- 2026-11-03 `get_product` changed (annotations)
- 2026-11-03 `search_products` changed (annotations)
- 2026-11-02 `check_stock` changed (annotations)
- 2026-11-02 `get_product` changed (description, inputSchema)
  - before: Full specs with per-field confidence and source, every offer with verified time, 30/90-day price range. Example: {"product_id":"breville-barista-express"}
  - after: Full specs with per-field confidence and source, every offer with verified time, 30/90-day price range, and the top fits per category with counts. Example: {"product_id":"breville-barista-express"}
- 2026-10-30 `report_issue` changed (description)
  - before: Flag a wrong spec, price or fit verdict. Reports never edit facts; two independent reports mark a fact disputed. Example: {"entity_type":"product","entity_id":"prusa-mk4s","field":"nozzle_thread","claim":"MK4S uses the Nextruder thread"}
  - after: Flag a wrong spec, price or fit verdict. Reports never edit facts; two independent reports mark a fact disputed. Example: {"entity_type":"product","entity_id":"breville-barista-express","field":"portafilter_mm","claim":"Breville lists a 54 mm portafilter for the Barista Express"}
- 2026-10-30 `check_stock` changed (description)
  - before: Availability and price per merchant, re-verified live when the data is over an hour old. Example: {"product_id":"prusa-mk4s","merchant_id":"prusa3d"}
  - after: Availability and price per merchant, re-verified live when the data is over an hour old. Example: {"product_id":"lucca-puck-screen-58mm","merchant_id":"www-seattlecoffeegear-com"}

Full history: https://api.protogrid.dev/v1/servers/com.compatsy%2Fhome-espresso/changes

## Remotes

- https://compatsy.com/home-espresso/mcp (streamable-http, auth none, reachable true, uptime30d 1)

## Packages

_none_

## Tools (6)

- `check_fit`: Does this part fit that machine? Returns a verdict with the rule id and version that decided it, or the missing fields. Example: {"subject_id":"lucca-puck-screen-58mm","target_id":"breville-barista-express"}
- `check_stock`: Availability and price per merchant, re-verified live when the data is over an hour old. Example: {"product_id":"lucca-puck-screen-58mm","merchant_id":"www-seattlecoffeegear-com"}
- `compare`: Side-by-side spec table with offers and the fields that differ. Pass 2-10 product_ids, or a category with filters. Example: {"product_ids":["breville-barista-express","breville-barista-pro"]}
- `get_product`: Full specs with per-field confidence and source, every offer with verified time, 30/90-day price range, and the top fits per category with counts. Example: {"product_id":"breville-barista-express"}
- `report_issue`: Flag a wrong spec, price or fit verdict. Reports never edit facts; two independent reports mark a fact disputed. Example: {"entity_type":"product","entity_id":"breville-barista-express","field":"portafilter_mm","claim":"Breville lists a 54 mm portafilter for the Barista Express"}
- `search_products`: Find products by name or by category and spec filters; returns key specs and the best in-stock offer. Example: {"query":"puck screen","category":"puck_screen","limit":5}