# Meltbead Craft Colors (npm · @meltbead/bead-colors-mcp)

Search craft color palettes and match shades by CIEDE2000 with Meltbead.

- Trust score: 59/100 (low)
- Registry status: active
- Liveness: live
- Owner verified: no
- Last scored: 2026-11-05

## Components

- npm · `@meltbead/bead-colors-mcp`: 59/100 (this document), [markdown](https://verifymcp.io/servers/jsspace-bead-colors-mcp/meltbead-bead-colors-mcp.md), [page](https://verifymcp.io/servers/jsspace-bead-colors-mcp/meltbead-bead-colors-mcp)

## Channel facts

- Registry: `npm`
- Package: `@meltbead/bead-colors-mcp`
- Version: `0.1.0`
- 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 2026-11-05.

- **Supply Chain Security**: 83/100
  - No malware found by supply-chain analysis.
  - CVE check failed: a known high-severity CVE affects zod 4.6.5, a direct dependency. A fixed version is available.
  - No install/post-install scripts declared.
  - 0 of 5 dependencies flagged as unhealthy.
- **Provenance & Transparency**: 32/100
  - Source repository is publicly reachable at the declared URL.
  - Provenance check failed: no build-provenance attestation is published.
  - License check failed: the license ((MIT AND CC-BY-4.0)) isn't a recognized OSI-approved license.
  - Actively maintained (last published 1 days ago).
  - Disclosure check failed: no security disclosure policy was found in the source repository.
- **Schema Quality & AI Usability**: 65/100
  - AI-judged instruction clarity (good).
  - Tool/resource definitions use about 370 tokens (~61/item across 6 items; 6 tools + 0 resources), lean.
  - 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**: 76/100
  - 100% of tools have a non-trivial description (not blank, and not just the tool's name).
  - 27% 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 6 captured tool definition(s), and no name or description among them implies an irreversible operation.
  - An AI judge read all 6 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 Meltbead Craft Colors MCP server?

Meltbead Craft Colors runs locally as an npm package, launched with npx -y @meltbead/bead-colors-mcp. 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 jsspace-bead-colors-mcp -- npx -y @meltbead/bead-colors-mcp
```

### Cursor

```json
{
  "mcpServers": {
    "jsspace-bead-colors-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@meltbead/bead-colors-mcp"
      ]
    }
  }
}
```

### VS Code

```json
{
  "servers": {
    "jsspace-bead-colors-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@meltbead/bead-colors-mcp"
      ]
    }
  }
}
```

### Codex

```bash
codex mcp add jsspace-bead-colors-mcp -- npx -y @meltbead/bead-colors-mcp
```

### opencode

```json
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "jsspace-bead-colors-mcp": {
      "type": "local",
      "command": [
        "npx",
        "-y",
        "@meltbead/bead-colors-mcp"
      ],
      "enabled": true
    }
  }
}
```

### OpenClaw

```bash
openclaw mcp add jsspace-bead-colors-mcp --command npx --arg -y --arg @meltbead/bead-colors-mcp
```

### Hermes

```yaml
mcp_servers:
  jsspace-bead-colors-mcp:
    command: "npx"
    args: ["-y", "@meltbead/bead-colors-mcp"]
```

### Netclaw

```json
{
  "McpServers": {
    "jsspace-bead-colors-mcp": {
      "Transport": "stdio",
      "Command": "npx",
      "Arguments": [
        "-y",
        "@meltbead/bead-colors-mcp"
      ]
    }
  }
}
```

### Vellum

```bash
assistant mcp add jsspace-bead-colors-mcp -t stdio -c npx -a -y @meltbead/bead-colors-mcp
```

### Other

```json
{
  "mcpServers": {
    "jsspace-bead-colors-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@meltbead/bead-colors-mcp"
      ]
    }
  }
}
```

## 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.

### 2026-11-04 (score 59, +15)

- [security improvement] Malware scan: unverified → pass

### 2026-11-03 (score 44)

First indexed and scored.

## MCP tools (6)

### `list_palettes` (~26 tokens)

List craft color palettes with counts, source links, license, and data confidence status.

### `list_mard_kits` (~39 tokens)

List MARD retail box sizes and the exact bead codes included in each box; optionally select one size.

Input parameters:

- `size` (integer)

### `get_color` (~60 tokens)

Look up one craft color by palette ID and product code. Accepts common code separators and Delica shorthand.

Input parameters:

- `code` (string, required)
- `paletteId` (string, required): Palette ID from list_palettes, such as perler or artkal-m

### `search_colors` (~70 tokens)

Search codes, names, HEX values, brands, or series. Without paletteId, searches representative palettes to avoid subset duplicates.

Input parameters:

- `limit` (integer)
- `paletteId` (string): Palette ID from list_palettes, such as perler or artkal-m
- `query` (string, required)

### `nearest_colors` (~79 tokens)

Find nearest screen reference colors in one palette by CIEDE2000 (ΔE00). Excludes effect finishes by default.

Input parameters:

- `hex` (string, required)
- `includeEffects` (boolean)
- `limit` (integer)
- `paletteId` (string, required): Palette ID from list_palettes, such as perler or artkal-m

### `match_across_palettes` (~96 tokens)

Find one approximate screen-color match per selected craft palette, starting from HEX or a product code. Uses CIEDE2000 (ΔE00).

Input parameters:

- `code` (string)
- `hex` (string)
- `includeEffects` (boolean)
- `sourcePaletteId` (string): Palette ID from list_palettes, such as perler or artkal-m
- `targetPaletteIds` (array)

## Diagnostics

Captured diagnostic sections: Provenance, Vulnerabilities, Dependencies. The full working is on the page: https://verifymcp.io/servers/jsspace-bead-colors-mcp/meltbead-bead-colors-mcp#diagnostics

## Score history

- 2026-11-05: 59
- 2026-11-04: 59
- 2026-11-03: 44

## Common questions

### What is the Meltbead Craft Colors MCP server?

Meltbead Craft Colors is an MCP server listed in the public MCP registry as io.github.jsspace/bead-colors-mcp. Search craft color palettes and match shades by CIEDE2000 with Meltbead. This page covers its npm package (@meltbead/bead-colors-mcp).

### Is the Meltbead Craft Colors MCP server safe to use?

Meltbead Craft Colors scores 59 out of 100 on VerifyMCP. We recorded 1 known advisory against it as of 5 November 2026. It declares no install or post-install scripts. 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 Meltbead Craft Colors MCP server expose?

Meltbead Craft Colors exposes 6 tools: list_palettes, list_mard_kits, get_color, search_colors, nearest_colors, match_across_palettes. Their descriptions and schemas cost roughly 370 tokens of context every time the server is loaded.

### Is the Meltbead Craft Colors MCP server still maintained?

Meltbead Craft Colors 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.

## Links

- npm package: https://www.npmjs.com/package/@meltbead/bead-colors-mcp
- Socket report: https://socket.dev/npm/package/@meltbead/bead-colors-mcp
- Repository: https://github.com/jsspace/bead-colors-mcp
- Website: https://meltbead.com/
- Changelog RSS feed: https://verifymcp.io/servers/jsspace-bead-colors-mcp/meltbead-bead-colors-mcp.xml
- Changelog JSON feed: https://verifymcp.io/servers/jsspace-bead-colors-mcp/meltbead-bead-colors-mcp.json
- HTML version of this page: https://verifymcp.io/servers/jsspace-bead-colors-mcp/meltbead-bead-colors-mcp