# qh (oci · ghcr.io/anderson-0/qh)

Query PostgreSQL, MySQL, MariaDB, SQLite and MongoDB with two tools and few tokens.

- Trust score: 37/100 (low)
- Registry status: active
- Liveness: live
- Owner verified: no
- Last scored: 2026-10-18

## Components

- oci · `ghcr.io/anderson-0/qh`: 37/100 (this document), [markdown](https://verifymcp.io/servers/anderson-0-qh/ghcr-io-anderson-0-qh.md), [page](https://verifymcp.io/servers/anderson-0-qh/ghcr-io-anderson-0-qh)

## Channel facts

- Registry: `oci`
- Package: `ghcr.io/anderson-0/qh`
- Version: `1.0.3`
- Transport: `stdio`

## Trust breakdown

How this component scores in each security and reliability category. Every signal is checked automatically from public evidence about the published package, including repeated runs of it in an isolated sandbox, 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 2026-10-18.

- **Supply Chain Security**: 0/100
  - No malware scan is available for this kind of package: the supply-chain vendors we use do not cover it. This is a permanent gap in our coverage, not a finding about the package.
  - Known CVEs could not be checked: this image's dependency list comes from an SBOM its publisher attached, which nothing verifies, so we will not report it as a clean result.
  - Install-script risk not yet assessed.
  - Dependency health could not be checked: this image's dependency list comes from an SBOM its publisher attached. It names packages and versions but not whether each is deprecated, still maintained or linked to its source, so there is nothing we can fairly grade.
- **Provenance & Transparency**: 48/100
  - Source repository is publicly reachable at the declared URL.
  - Provenance check failed: no build-provenance attestation is published.
  - Clear OSI-approved license (MIT).
  - Actively maintained (last published 2 days ago).
  - Publishes a security disclosure policy (SECURITY.md).
- **Schema Quality & AI Usability**: 55/100
  - AI-judged instruction clarity (fair).
  - Tool/resource definitions use about 161 tokens (~80/item across 2 items; 2 tools + 0 resources), lean.
  - Usage-examples check failed: none of the tools include examples.
- **Stability & Change Management**: 13/100
  - Stability observed for 4 of 30 days with no destabilising changes; credit accrues until the full window elapses.
- **Tool Coverage**: 71/100
  - 100% of tools have a non-trivial description (not blank, and not just the tool's name).
  - 14% of tool parameters carry a description.
- **Tool Safety**: 100/100
  - No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.
  - We read all 2 captured tool definition(s), and no name or description among them implies an irreversible operation.
  - An AI judge read all 3 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: a data source with nothing on this package, evidence we could not reach, or a check we could not run. We only credit what we can confirm.

## Install

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

qh runs locally as a container image, launched with docker run --rm -i -e QH_DSN -e QH_ENGINE -e QH_NAME -e QH_DESCRIPTION -e QH_MODE ghcr.io/anderson-0/qh:1.0.3. Ready-made configuration for Claude, Cursor, VS Code, Codex and 3 more is on this page, copied from each client's own documentation.

### Claude

```bash
claude mcp add anderson-0-qh -- docker run --rm -i -e QH_DSN -e QH_ENGINE -e QH_NAME -e QH_DESCRIPTION -e QH_MODE ghcr.io/anderson-0/qh:1.0.3
```

This image reads QH_DSN, QH_ENGINE, QH_NAME, QH_DESCRIPTION and QH_MODE. Set them in your client's env block for this server; docker run -e passes each one through to the container.

### Cursor

```json
{
  "mcpServers": {
    "anderson-0-qh": {
      "command": "docker",
      "args": [
        "run",
        "--rm",
        "-i",
        "-e",
        "QH_DSN",
        "-e",
        "QH_ENGINE",
        "-e",
        "QH_NAME",
        "-e",
        "QH_DESCRIPTION",
        "-e",
        "QH_MODE",
        "ghcr.io/anderson-0/qh:1.0.3"
      ]
    }
  }
}
```

This image reads QH_DSN, QH_ENGINE, QH_NAME, QH_DESCRIPTION and QH_MODE. Set them in your client's env block for this server; docker run -e passes each one through to the container.

### VS Code

```json
{
  "servers": {
    "anderson-0-qh": {
      "command": "docker",
      "args": [
        "run",
        "--rm",
        "-i",
        "-e",
        "QH_DSN",
        "-e",
        "QH_ENGINE",
        "-e",
        "QH_NAME",
        "-e",
        "QH_DESCRIPTION",
        "-e",
        "QH_MODE",
        "ghcr.io/anderson-0/qh:1.0.3"
      ]
    }
  }
}
```

This image reads QH_DSN, QH_ENGINE, QH_NAME, QH_DESCRIPTION and QH_MODE. Set them in your client's env block for this server; docker run -e passes each one through to the container.

### Codex

```bash
codex mcp add anderson-0-qh -- docker run --rm -i -e QH_DSN -e QH_ENGINE -e QH_NAME -e QH_DESCRIPTION -e QH_MODE ghcr.io/anderson-0/qh:1.0.3
```

This image reads QH_DSN, QH_ENGINE, QH_NAME, QH_DESCRIPTION and QH_MODE. Set them in your client's env block for this server; docker run -e passes each one through to the container.

### opencode

```json
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "anderson-0-qh": {
      "type": "local",
      "command": [
        "docker",
        "run",
        "--rm",
        "-i",
        "-e",
        "QH_DSN",
        "-e",
        "QH_ENGINE",
        "-e",
        "QH_NAME",
        "-e",
        "QH_DESCRIPTION",
        "-e",
        "QH_MODE",
        "ghcr.io/anderson-0/qh:1.0.3"
      ],
      "enabled": true
    }
  }
}
```

This image reads QH_DSN, QH_ENGINE, QH_NAME, QH_DESCRIPTION and QH_MODE. Set them in your client's env block for this server; docker run -e passes each one through to the container.

### Hermes

```yaml
mcp_servers:
  anderson-0-qh:
    command: "docker"
    args: ["run", "--rm", "-i", "-e", "QH_DSN", "-e", "QH_ENGINE", "-e", "QH_NAME", "-e", "QH_DESCRIPTION", "-e", "QH_MODE", "ghcr.io/anderson-0/qh:1.0.3"]
```

This image reads QH_DSN, QH_ENGINE, QH_NAME, QH_DESCRIPTION and QH_MODE. Set them in your client's env block for this server; docker run -e passes each one through to the container.

### Netclaw

```json
{
  "McpServers": {
    "anderson-0-qh": {
      "Transport": "stdio",
      "Command": "docker",
      "Arguments": [
        "run",
        "--rm",
        "-i",
        "-e",
        "QH_DSN",
        "-e",
        "QH_ENGINE",
        "-e",
        "QH_NAME",
        "-e",
        "QH_DESCRIPTION",
        "-e",
        "QH_MODE",
        "ghcr.io/anderson-0/qh:1.0.3"
      ]
    }
  }
}
```

This image reads QH_DSN, QH_ENGINE, QH_NAME, QH_DESCRIPTION and QH_MODE. Set them in your client's env block for this server; docker run -e passes each one through to the container.

### Other

```json
{
  "mcpServers": {
    "anderson-0-qh": {
      "command": "docker",
      "args": [
        "run",
        "--rm",
        "-i",
        "-e",
        "QH_DSN",
        "-e",
        "QH_ENGINE",
        "-e",
        "QH_NAME",
        "-e",
        "QH_DESCRIPTION",
        "-e",
        "QH_MODE",
        "ghcr.io/anderson-0/qh:1.0.3"
      ]
    }
  }
}
```

This image reads QH_DSN, QH_ENGINE, QH_NAME, QH_DESCRIPTION and QH_MODE. Set them in your client's env block for this server; docker run -e passes each one through to the container.

## 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.

### 2026-10-17 (score 37, +1)

No change was recorded against any check on this day. Stability & Change Management went from 7 to 10. That category is still filling its 30-day observation window: 2 days of observed history at the previous scan, 3 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-10-15 (score 36, +1)

- [security regression] Tool safety: pass → unverified
- [security] Stability: Stability not yet verified: we do not have a sandbox capture of the MCP schema this version of the package serves yet.
- [functional regression] Capabilities: pass → unverified
- [functional regression] Tool coverage: 100 → unverified
- [functional improvement] Stability: unverified → 0.03
- [functional] First check of Schema quality: unverified
- [functional] Package version: 1.0.2 → 1.0.3

### 2026-10-14 (score 35)

First indexed and scored.

## MCP tools (2)

### `query` (~57 tokens)

Run one SQL statement. Returns TSV, at most 100 rows unless max_rows is set.

Input parameters:

- `explain` (boolean): plan only
- `max_rows` (integer)
- `query` (string, required)
- `source` (string)

### `schema` (~75 tokens)

No arguments: tables with columns, PKs and FK targets (names only for large schemas). pattern (* wildcard) or object: types, NN (not null), FKs (→ references, ← referenced by), enums, indexes.

Input parameters:

- `object` (string)
- `pattern` (string)
- `source` (string)

## Diagnostics

Captured diagnostic sections: Provenance. The full working is on the page: https://verifymcp.io/servers/anderson-0-qh/ghcr-io-anderson-0-qh#diagnostics

## Score history

- 2026-10-18: 37
- 2026-10-17: 37
- 2026-10-16: 36
- 2026-10-15: 36
- 2026-10-14: 35

## Common questions

### What is the qh MCP server?

qh is an MCP server listed in the public MCP registry as io.github.anderson-0/qh. Query PostgreSQL, MySQL, MariaDB, SQLite and MongoDB with two tools and few tokens. This page covers its container image (ghcr.io/anderson-0/qh).

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

qh scores 37 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 qh MCP server expose?

qh exposes 2 tools: query, schema. Their descriptions and schemas cost roughly 132 tokens of context every time the server is loaded.

### Is the qh MCP server still maintained?

qh is still listed as active in the MCP registry. We last reached this channel on 18 October 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.

### What licence is the qh MCP server under?

qh declares the MIT licence, which is OSI-approved. That covers the source only, and says nothing about the cost of any service it calls.

## Links

- GitHub Container Registry: https://ghcr.io/anderson-0/qh
- Repository: https://github.com/anderson-0/qh
- Changelog RSS feed: https://verifymcp.io/servers/anderson-0-qh/ghcr-io-anderson-0-qh.xml
- Changelog JSON feed: https://verifymcp.io/servers/anderson-0-qh/ghcr-io-anderson-0-qh.json
- HTML version of this page: https://verifymcp.io/servers/anderson-0-qh/ghcr-io-anderson-0-qh