# Scoreproof (remote · scoreproof-fkkuctjokq-uc.a.run.app)

Convert MusicXML, MIDI, ABC, MEI and Humdrum, print sheet music, and verify every note survived.

- Trust score: 69/100 (medium)
- Registry status: active
- Liveness: live
- Owner verified: no
- Last scored: 2026-11-05

## Components

- remote · `scoreproof-fkkuctjokq-uc.a.run.app`: 69/100 (this document), [markdown](https://verifymcp.io/servers/asampat3090-scoreproof/scoreproof-fkkuctjokq-uc.md), [page](https://verifymcp.io/servers/asampat3090-scoreproof/scoreproof-fkkuctjokq-uc)
- pypi · `scoreproof`: 83/100, [markdown](https://verifymcp.io/servers/asampat3090-scoreproof/scoreproof.md), [page](https://verifymcp.io/servers/asampat3090-scoreproof/scoreproof)

## Channel facts

- Endpoint: `https://scoreproof-fkkuctjokq-uc.a.run.app/mcp`
- Transports: `streamable-http`
- Auth: `none`
- Version: `0.2.0`

## Trust breakdown

How this component scores in each security and reliability category. Every signal is checked automatically against the live server, and we only credit what we can confirm. Scores are 0–100 per category. Scoring method: https://verifymcp.io/docs/scoring (what has changed: https://verifymcp.io/docs/scoring/changelog)

Scored 2026-11-05.

- **Endpoint Security**: 74/100
  - The endpoint's TLS certificate is valid, in date, and uses a strong key.
  - No authorisation is required to call this server. Nothing on it is marked destructive, but we can't show that an anonymous caller can only read: full credit needs the server to list at least one tool and every tool to be verifiably read-only. We use a best-effort check of tool names and descriptions to tell read-only tools from tools that change things, so some genuinely read-only tools may not get full credit. Names that start with a read verb (get, list, read, search and similar) and accurate readOnlyHint annotations help. Meet that to earn full credit, or require authorisation.
  - HTTPS is enforced; there's no plaintext access path.
  - HSTS check failed: the Strict-Transport-Security header is absent.
  - DNSSEC check failed: this domain isn't protected by DNSSEC.
- **Transport & Reachability**: 100/100
  - Verified streamable-http transport via a live MCP handshake.
- **Schema Quality & AI Usability**: 64/100
  - AI-judged instruction clarity (good).
  - Context-footprint check failed: tool/resource definitions use about 1237 tokens (~154/item across 8 items; 8 tools + 0 resources), over budget; trim descriptions and params.
  - Usage-examples check failed: none of the tools include examples.
- **Stability & Change Management**: 0/100
  - Stability not yet verified: not enough scan history yet (needs a 30-day window).
- **Tool Coverage**: 100/100
  - 100% of tools have a non-trivial description (not blank, and not just the tool's name).
  - 100% of tool parameters carry a description.
  - Structured output schemas are declared (100% of tools); any adoption earns full credit.
- **Tool Safety**: 100/100
  - No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.
  - We read all 8 captured tool definition(s), and no name or description among them implies an irreversible operation.
  - An AI judge read all 9 captured unit(s) of tool text and found none that tries to manipulate the model reading it.
- **Capabilities**: 100/100
  - Implements a current MCP spec version (2026-07-28).

**Unverified: 1 category.** A category scored 0 because we could not verify it: authentication we do not have, an unreachable endpoint, or not enough scan history. We only credit what we can confirm.

## Install

### How do I install the Scoreproof MCP server?

Scoreproof is a hosted endpoint at https://scoreproof-fkkuctjokq-uc.a.run.app/mcp, so there is nothing to install locally. Ready-made configuration for Claude, Cursor, VS Code, Codex and 5 more is on this page, copied from each client's own documentation.

### Claude

```bash
claude mcp add --transport http asampat3090-scoreproof 'https://scoreproof-fkkuctjokq-uc.a.run.app/mcp'
```

### Cursor

```json
{
  "mcpServers": {
    "asampat3090-scoreproof": {
      "url": "https://scoreproof-fkkuctjokq-uc.a.run.app/mcp"
    }
  }
}
```

### VS Code

```json
{
  "servers": {
    "asampat3090-scoreproof": {
      "type": "http",
      "url": "https://scoreproof-fkkuctjokq-uc.a.run.app/mcp"
    }
  }
}
```

### Codex

```toml
[mcp_servers.asampat3090-scoreproof]
url = "https://scoreproof-fkkuctjokq-uc.a.run.app/mcp"
```

### opencode

```json
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "asampat3090-scoreproof": {
      "type": "remote",
      "url": "https://scoreproof-fkkuctjokq-uc.a.run.app/mcp",
      "enabled": true
    }
  }
}
```

### OpenClaw

```bash
openclaw mcp add asampat3090-scoreproof --url 'https://scoreproof-fkkuctjokq-uc.a.run.app/mcp' --transport streamable-http
```

### Hermes

```yaml
mcp_servers:
  asampat3090-scoreproof:
    url: "https://scoreproof-fkkuctjokq-uc.a.run.app/mcp"
```

### Netclaw

```json
{
  "McpServers": {
    "asampat3090-scoreproof": {
      "Transport": "http",
      "Url": "https://scoreproof-fkkuctjokq-uc.a.run.app/mcp"
    }
  }
}
```

### Vellum

```bash
assistant mcp add asampat3090-scoreproof -t streamable-http -u 'https://scoreproof-fkkuctjokq-uc.a.run.app/mcp'
```

### Other

```json
{
  "mcpServers": {
    "asampat3090-scoreproof": {
      "type": "http",
      "url": "https://scoreproof-fkkuctjokq-uc.a.run.app/mcp"
    }
  }
}
```

The mcpServers block is a cross-client convention. Remote transports vary, so check your client's docs.

## Changelog

Every change recorded for this component, newest first. Days that predate change tracking, or that we cannot explain, say so: "we were watching and nothing happened" and "we were not watching" are different claims.

### 2026-11-05 (score 69)

First indexed and scored.

## MCP tools (8)

### `convert` (~179 tokens)

Convert a music file

Convert a score between formats and verify the result note by note,
or turn it into sheet music (pdf, png, svg) or audio (wav).

Returns a download link, a confidence level (exact, high, medium, low),
the share of notes kept, features the target format cannot hold, and
exporter quirks that were repaired on the way in.

Input parameters:

- `content`: The score itself as text (ABC, MusicXML, MEI or Humdrum)
- `file`: Link to the music file: from the Scoreproof upload page, or any public https URL
- `filename`: Name for content, with its extension (default tune.abc)
- `to` (string, required): musicxml, mxl, midi, abc, mei, humdrum, or pdf/png/svg (sheet music) or wav (audio)

### `render` (~133 tokens)

Render sheet music or audio

Engrave sheet music to print or view (PDF, PNG, SVG) or make an audio
preview (WAV). Returns download links.

Input parameters:

- `content`: The score itself as text (ABC, MusicXML, MEI or Humdrum)
- `file`: Link to the music file: from the Scoreproof upload page, or any public https URL
- `filename`: Name for content, with its extension (default tune.abc)
- `page_size` (string): Paper size for pdf and png
- `to` (string): pdf: printable sheet music; png/svg: page images; wav

### `inspect` (~145 tokens)

Look at a score

Summarise a score and show some bars as ABC notation: title, parts with
instruments and ranges, key, meters, tempos and bar count.

Input parameters:

- `bars`: Bars to show as ABC, e.g. "1-8" (max 32); "" for none
- `content`: The score itself as text (ABC, MusicXML, MEI or Humdrum)
- `file`: Link to the music file: from the Scoreproof upload page, or any public https URL
- `filename`: Name for content, with its extension (default tune.abc)
- `parts`: Parts by number (1-based) or name; default all

### `validate` (~98 tokens)

Check a score for problems

Check a score: exporter quirks that needed repair, bars that do not
fill their time signature, and notes outside an instrument's range.

Input parameters:

- `content`: The score itself as text (ABC, MusicXML, MEI or Humdrum)
- `file`: Link to the music file: from the Scoreproof upload page, or any public https URL
- `filename`: Name for content, with its extension (default tune.abc)

### `compare` (~51 tokens)

Compare two versions

Show what changed between two versions of a piece, bar by bar, even
across formats.

Input parameters:

- `a` (string, required): Link to the first version
- `b` (string, required): Link to the second version

### `transpose` (~173 tokens)

Transpose a score

Transpose a score by an interval, into a key, or between concert and
written pitch. Give exactly one of interval, key or pitch.

Input parameters:

- `content`: The score itself as text (ABC, MusicXML, MEI or Humdrum)
- `file`: Link to the music file: from the Scoreproof upload page, or any public https URL
- `filename`: Name for content, with its extension (default tune.abc)
- `interval`: Interval ("M2", "-m3", "P5") or semitones ("2", "-3")
- `key`: Target key, e.g. "D", "Bb major", "F# minor"
- `pitch`: Switch transposing instruments to concert or written pitch
- `to`: Output format (default: same)

### `extract` (~149 tokens)

Extract parts or bars

Save chosen parts and/or bars of a score as new files.

Input parameters:

- `bars`: Bar range such as "1-8", "5" or "9-"
- `content`: The score itself as text (ABC, MusicXML, MEI or Humdrum)
- `each_part` (boolean): One file per part (to make parts for players)
- `file`: Link to the music file: from the Scoreproof upload page, or any public https URL
- `filename`: Name for content, with its extension (default tune.abc)
- `parts`: Parts by number (1-based) or name; default all
- `to`: Output format (default: same)

### `list_formats` (~22 tokens)

List supported formats

Formats Scoreproof reads and writes, and what each one cannot hold.

## Diagnostics

Captured diagnostic sections: TLS, DNSSEC, Authorisation, Transports. The full working is on the page: https://verifymcp.io/servers/asampat3090-scoreproof/scoreproof-fkkuctjokq-uc#diagnostics

## Score history

- 2026-11-05: 69

## Common questions

### What is the Scoreproof MCP server?

Scoreproof is an MCP server listed in the public MCP registry as io.github.asampat3090/scoreproof. Convert MusicXML, MIDI, ABC, MEI and Humdrum, print sheet music, and verify every note survived. This page covers its hosted endpoint (https://scoreproof-fkkuctjokq-uc.a.run.app/mcp).

### Is the Scoreproof MCP server safe to use?

Scoreproof scores 69 out of 100 on VerifyMCP. That is a record of what we were able to check automatically, not an endorsement. The category breakdown on this page shows every signal behind the number, including the ones we could not confirm.

### What tools does the Scoreproof MCP server expose?

Scoreproof exposes 8 tools: convert, render, inspect, validate, compare, and 3 more. Their descriptions and schemas cost roughly 950 tokens of context every time the server is loaded.

### Does the Scoreproof MCP server require authentication?

No. We connected to Scoreproof without credentials and it answered, so anything it exposes is reachable by anyone who knows the address.

### Is the Scoreproof MCP server still maintained?

Scoreproof is still listed as active in the MCP registry. We last reached this channel on 5 November 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.

### What did VerifyMCP test on the Scoreproof MCP server?

VerifyMCP ran 12 checks on Scoreproof, covering TLS certificate, Authorization, HTTPS, HSTS header and 8 more. One item could not be completed, a gap on our side rather than a finding about Scoreproof: Stability. One category scores 0 for that reason, because we only credit what we can confirm. Supply Chain Security and Provenance & Transparency do not apply to a hosted endpoint, so they were not tested. The score does not measure everything, and the scoring documentation lists what it leaves out.

## Links

- Remote endpoint: https://scoreproof-fkkuctjokq-uc.a.run.app/mcp
- Repository: https://github.com/asampat3090/scoreproof
- Changelog RSS feed: https://verifymcp.io/servers/asampat3090-scoreproof/scoreproof-fkkuctjokq-uc.xml
- Changelog JSON feed: https://verifymcp.io/servers/asampat3090-scoreproof/scoreproof-fkkuctjokq-uc/changelog.json
- Trust report (JSON): https://verifymcp.io/servers/asampat3090-scoreproof/scoreproof-fkkuctjokq-uc.json
- HTML version of this page: https://verifymcp.io/servers/asampat3090-scoreproof/scoreproof-fkkuctjokq-uc