MCP.Market

Crystal Suppliers MCP server

online · 100% uptime
by ziyuant222·io.github.ziyuant222/crystal-suppliers-mcp·v0.1.1
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Search verified crystal bracelets and source beads, accessories, and raw materials.

A87/100grade A
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Safety scan
A87/100

full report

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Crystal Suppliers MCP tools (6)

write = sends, deletes, buys or posts
  • crystal_build_procurement_shortlistFree

    Build a deterministic shortlist across requested crystal categories. Verified products are limited to catalog bracelets; other categories remain clearly separated advisory items.

  • crystal_get_productFree

    Get one verified bracelet by exact SKU or slug, including materials, image, source URL, related SKUs, and explicit manual-confirmation status for commercial terms.

  • crystal_get_sourcing_guidanceFree

    Get source-linked procurement checks for bracelets, loose beads, accessories, or raw materials. Adjacent categories are advisory only and never return invented inventory or SKUs.

  • crystal_list_materialsFree

    List normalized materials and real SKU counts from the current verified bracelet catalog. Counts do not claim coverage for loose beads, components, or raw crystals.

  • crystal_prepare_inquiryFree

    Validate any supplied bracelet SKUs and draft an English wholesale inquiry. This read-only tool never sends, stores, or submits buyer data and never invents price, MOQ, stock, lead time, or certificates.

  • crystal_search_productsFree

    Search the verified 104-SKU bracelet catalog by SKU, name, material, or theme. Beads, accessories, and raw materials return advisory-only coverage with no fabricated SKUs. Commercial terms always require manual confirmation.

Public scan report

scanner v0.1.9 · 2026-09-24 · same rubric, same numbers if you re-run it

no findings
  • –Code scanpackage could not be scannedn/a
  • Live reliabilityremote reachable in 790ms20/20
  • Tool poisoning6 tool descriptions checked15/15
  • Auth qualityopen endpoint, read-only tools10/15
  • Maintenancelast push 56 days ago12/15
  • Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10
Overall 87/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How Crystal Suppliers MCP compares

Against every graded Web search MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
87/100
higher than 78% of 3,470 Web search servers
Tools
6
the typical Web search server has 5
Tools that change things
0%
typical: 0%. Fewer write tools means less an agent can break
Uptime
100%
of our recent checks; the typical remote Web search server answers 100%
Response time
359 ms
faster than 43% of 2,238 Web search servers

What its tools let an agent do: 6 read

Install Crystal Suppliers MCP in Claude Code, Cursor or VS Code

claude mcp add --transport http crystal-suppliers-mcp https://ktcrystals.com/mcp
Add to Cursor

What the publisher says

From the Crystal Suppliers MCP repository's README, as published. We do not edit it. Read it on GitHub

Crystal Suppliers MCP

Crystal Suppliers MCP is a read-only procurement server for KT Crystals. It searches a verified catalog of 104 crystal bracelet SKUs and provides traceable sourcing checklists for loose beads, crystal accessories, and raw crystal materials.

The service does not invent price, MOQ, inventory, lead time, treatment, origin, certification, or shipping claims. Commercial fields remain requiresmanualconfirmation.

Install and connect

Run directly from the repository:

{
  "mcpServers": {
    "crystal-suppliers": {
      "command": "node",
      "args": ["/absolute/path/to/crystal-suppliers-mcp/src/index.mjs"]
    }
  }
}

Run the OCI image over stdio:

{
  "mcpServers": {
    "crystal-suppliers": {
      "command": "docker",
      "args": [
        "run",
        "--rm",
        "-i",
        "ghcr.io/ziyuant222/crystal-suppliers-mcp:0.1.0"
      ]
    }
  }
}

Start Streamable HTTP:

docker run --rm -p 3000:3000 \
  ghcr.io/ziyuant222/crystal-suppliers-mcp:0.1.0 --http

The endpoint is then http://localhost:3000/mcp, with health status at http://localhost:3000/health.

Tools

Coverage contract

  • verified_catalog: grounded in the current 104-SKU bracelet catalog.
  • advisory_only: sourcing guidance only; no verified SKU coverage for the requested category.
  • mixed: verified bracelet candidates plus separately labeled advisory categories.

Inquiry drafting is local and stateless. It does not send email, submit a form, write to a database, or retain buyer details.

Development

npm ci
npm test
npm run start:http

The server supports Node.js 22 or newer and implements MCP over both stdio and stateless Streamable HTTP.

<!-- mcp-name: io.github.ziyuant222/crystal-suppliers-mcp -->

Nothing above is checked by us. What we check is on the safety report.

Crystal Suppliers MCP: common questions

Is Crystal Suppliers MCP server safe?
Yes, by our scan: it is graded A (87/100). Read the Crystal Suppliers MCP safety report
How do I install Crystal Suppliers MCP?
It runs remotely at ktcrystals.com. Add it to Claude Code, Cursor, VS Code or Claude Desktop with the snippets above, or call it through the mcp.market gateway without installing anything.
Does Crystal Suppliers MCP need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Crystal Suppliers MCP maintained?
The last commit was 97 days ago (2026-07-30). The latest release is v0.1.1.
Is Crystal Suppliers MCP up?
100% of our last 28 checks got an answer. We check remote servers about four times a day.
How does Crystal Suppliers MCP compare with other Web search MCP servers?
safety score 87/100 (higher than 78% of 3,470 Web search servers); tools 6 (the typical Web search server has 5); tools that change things 0% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.