# PastCharts

> Free daily history of App Store and Google Play top charts and Google Trends searches.

- name: com.pastcharts/charts
- version: 1.0.0
- connection class: R0 (autonomous)
- trust: 80/100 flags: no-repository
- quality: 73/100 (new)
- owner: not claimed
- descriptor: https://api.protogrid.dev/v1/servers/com.pastcharts%2Fcharts
- tools: https://api.protogrid.dev/v1/servers/com.pastcharts%2Fcharts/tools

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

## Connection (mcpServers)

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


## Trust

- hygiene: 80
- liveness: 90
- freshness: 100
- provenance: 55
- drivers: +dns-namespace +website +reachable +uptime-75% +updated-1d-ago -no-repository
- Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed.

## Quality 73/100 (new)

### 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: 71 (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
- fail `tools.annotations`: no tool declares readOnlyHint or destructiveHint, so clients cannot tell safe calls from risky ones
- fail `tools.directory_hints`: no tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: search_apps (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); get_world_trends (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); list_scrapers (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); …
- pass `tools.token_cost`: about 507 tokens to load every tool
- pass `tools.api_dump`: tools are not a one-to-one API dump

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

- n/a `stability.changes`, `stability.rug_pull`: tool history recorded for 0 of the 7 days needed

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

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

- tools: 7, about 507 tokens to load them all
- tool set hash: a045b375efca505fcce77e974c2ac286
- badge: [![protogrid quality](https://protogrid.dev/badge/com.pastcharts/charts.svg)](https://protogrid.dev/servers/com.pastcharts/charts)
- 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://pastcharts.com/mcp (streamable-http, auth none, reachable true, uptime30d 0.75)

## Packages

_none_

## Tools (7)

- `get_app_rank_history`: Every saved chart an app has been on, with its daily ranks. Get the id from search_apps.
- `get_chart`: A saved App Store or Google Play top chart for a country and day, from 2026-11-06.
- `get_top_trends`: Biggest Google trending searches in a country for a month (YYYY-MM) or year (YYYY).
- `get_trending_searches`: Top Google trending searches in a country on a past day, from 2024-11-28. Some days are missing.
- `get_world_trends`: Searches that trended in the most countries on a day (YYYY-MM-DD) or in a year (YYYY).
- `list_scrapers`: All Wulfcare scrapers on Apify for live data: Google Trends, YouTube, app stores, jobs, hotels, flights and AI search.
- `search_apps`: Find apps in the archive by name or developer. Returns store, id and best saved rank.
