# Cajon.pro

> Drum schools map (Russia, Kazakhstan, Armenia, Belarus), song tempo and drum parts, cajons.

- name: pro.cajon/drums
- version: 0.1.0
- connection class: R0 (autonomous)
- trust: 83/100 flags: no-repository
- quality: 100/100 (new)
- owner: not claimed
- descriptor: https://api.protogrid.dev/v1/servers/pro.cajon%2Fdrums
- tools: https://api.protogrid.dev/v1/servers/pro.cajon%2Fdrums/tools

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

## Connection (mcpServers)

```json
{
  "mcpServers": {
    "drums": {
      "type": "http",
      "url": "https://cajon.pro/mcp"
    }
  }
}
```


## Trust

- hygiene: 80
- liveness: 100
- freshness: 100
- provenance: 55
- drivers: +dns-namespace +website +reachable +uptime-100% +updated-6d-ago -no-repository
- Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed.

## Quality 100/100 (new)

### protocol: 100 (weight 25)

- pass `protocol.modern`: supports 2026-07-28 (server/discover)
- pass `protocol.stateless`: answers without a session
- pass `protocol.transport`: streamable HTTP
- pass `protocol.list_ttl`: tool list is cacheable (ttlMs 3600000)

### 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`: 4 of 4 tools declare readOnlyHint or destructiveHint
- pass `tools.directory_hints`: every tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
- pass `tools.token_cost`: about 912 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: n/a (weight 15)

- n/a `stability.changes`, `stability.rug_pull`, `stability.new_links`: tool history recorded for 6 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: 4, about 912 tokens to load them all
- tool set hash: 51043b981c26774fef3a38ff692737b6
- badge: [![protogrid quality](https://protogrid.dev/badge/pro.cajon/drums.svg)](https://protogrid.dev/servers/pro.cajon/drums)
- 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://cajon.pro/mcp (streamable-http, auth none, reachable true, uptime30d 1)

## Packages

_none_

## Tools (4)

- `cajon_catalog`: Cajons and cajon accessories made by the Cajon.pro workshop in Russia: prices in rubles, availability, specifications, delivery and payment options, and the page to buy each one.
- `find_drum_schools`: Find drum schools, drum and percussion teachers, cajon classes, drum studios, drum circles and drum shops on «Ударная карта» (the Drum Map of cajon.pro): a free, curated map of places in Russia, Kazakhstan, Armenia, Belarus and other countries. Search by city, by coordinates with a radius, or by part of the name or address; filter by instrument and kind of place. Returns name, address, phone, website and a link to the place page — give the user that link.
- `find_songs`: Search the cajon.pro library of Russian and international songs: tempo (BPM), time signature and, for many songs, a drum part — drum sheet music with playback, slow-down and section loop, free online. Search by artist and/or title in any script (Cyrillic or Latin), or list songs at a given tempo. Returns links to the drum part page.
- `free_drum_tools`: Free browser tools on cajon.pro for drummers and cajon players: virtual cajon, metronome, drum machine, tap-tempo BPM finder, song drum parts, and a library of cajon rhythms (pop, funk, latin, flamenco, reggae, blues, odd meters) with animated strokes. No sign-up.