# pcprice.watch used PC part prices

> Real eBay sold prices for used GPUs, CPUs, RAM and more in 7 markets, and eBay listing price checks.

- name: watch.pcprice/used-prices
- version: 1.0.0
- connection class: R0 (autonomous)
- trust: 83/100 flags: no-repository
- quality: 96/100 (strong)
- owner: not claimed
- descriptor: https://api.protogrid.dev/v1/servers/watch.pcprice%2Fused-prices
- tools: https://api.protogrid.dev/v1/servers/watch.pcprice%2Fused-prices/tools

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

## Connection (mcpServers)

```json
{
  "mcpServers": {
    "used-prices": {
      "type": "http",
      "url": "https://www.pcprice.watch/check/mcp"
    }
  }
}
```


## Trust

- hygiene: 80
- liveness: 100
- freshness: 100
- provenance: 55
- drivers: +dns-namespace +website +reachable +uptime-100% +updated-19d-ago -no-repository
- Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed.

## Quality 96/100 (strong)

### protocol: 88 (weight 25)

- pass `protocol.modern`: supports 2026-07-28 (server/discover)
- pass `protocol.stateless`: answers without a session
- pass `protocol.transport`: streamable HTTP
- warn `protocol.list_ttl`: tools/list declares ttlMs 0, so clients re-fetch it on every use

### 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 477 tokens to load every tool
- pass `tools.api_dump`: tools are not a one-to-one API dump
- pass `tools.hidden_text`: no hidden text in tool names, descriptions, schemas or annotations

### stability: 100 (weight 15)

- pass `stability.changes`: 2 tool changes in 30 days
- pass `stability.rug_pull`: no tool changed its meaning under the same name
- pass `stability.new_links`: no tool change named a new site

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

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

- tools: 3, about 477 tokens to load them all
- tool set hash: 09973e8d50a53d1b936688422d6819df
- tools last changed: 2026-10-27T17:35:44.176Z
- badge: [![protogrid quality](https://protogrid.dev/badge/watch.pcprice/used-prices.svg)](https://protogrid.dev/servers/watch.pcprice/used-prices)
- Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed.

### Tool changes

- 2026-10-27 `get_used_price` changed (inputSchema)
- 2026-10-27 `check_ebay_listing` changed (inputSchema)

Full history: https://api.protogrid.dev/v1/servers/watch.pcprice%2Fused-prices/changes

## Remotes

- https://www.pcprice.watch/check/mcp (streamable-http, auth none, reachable true, uptime30d 1)

## Packages

_none_

## Tools (3)

- `check_ebay_listing`: Judge whether an eBay listing is a good price: compares its delivered price with what the same model actually sold for recently (great / fair / above typical / overpriced, and % vs the sold median), and lists cheaper listings that ship to the buyer.
- `get_used_price`: What a used PC part actually sells for on eBay: sold-price median and p25-p75 range (EUR) over the last 30 and 90 days, for one market or all seven pooled.
- `list_tracked_models`: The PC part models pcprice.watch tracks, with their IDs, optionally filtered by part type.