oci ghcr.io/ziyuant222/crystal-suppliers-mcp:0.1.0streamable-httpMITupdated 1mo ago
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.
What can you do with Crystal Suppliers MCP?
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 requires_manual_confirmation.
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
| Tool | Purpose |
|---|---|
crystal_search_products |
Search real bracelet SKUs by SKU, name, material, or theme. |
crystal_get_product |
Retrieve one verified bracelet and related catalog products. |
crystal_list_materials |
List normalized materials and verified bracelet SKU counts. |
crystal_get_sourcing_guidance |
Get supplier-verification checks for bracelets, beads, accessories, or raw materials. |
crystal_build_procurement_shortlist |
Keep verified bracelet results separate from adjacent advisory categories. |
crystal_prepare_inquiry |
Validate supplied SKUs and draft an inquiry without sending or storing it. |
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.
Install
Add Crystal Suppliers MCP to your client. Pick the one you use.
{
"servers": {
"ghcr-io-ziyuant222-crystal-suppliers-mcp": {
"type": "http",
"url": "https://ktcrystals.com/mcp"
}
}
}Add to `.vscode/mcp.json` in your workspace.
claude mcp add ghcr-io-ziyuant222-crystal-suppliers-mcp -- docker run -i --rm ghcr.io/ziyuant222/crystal-suppliers-mcp:0.1.0codex mcp add ghcr-io-ziyuant222-crystal-suppliers-mcp -- docker run -i --rm ghcr.io/ziyuant222/crystal-suppliers-mcp:0.1.0amp mcp add ghcr-io-ziyuant222-crystal-suppliers-mcp -- docker run -i --rm ghcr.io/ziyuant222/crystal-suppliers-mcp:0.1.0{
"mcpServers": {
"ghcr-io-ziyuant222-crystal-suppliers-mcp": {
"command": "docker",
"args": [
"run",
"-i",
"--rm",
"ghcr.io/ziyuant222/crystal-suppliers-mcp:0.1.0"
]
}
}
}Add to `claude_desktop_config.json`, then restart Claude Desktop.
{
"mcpServers": {
"ghcr-io-ziyuant222-crystal-suppliers-mcp": {
"command": "docker",
"args": [
"run",
"-i",
"--rm",
"ghcr.io/ziyuant222/crystal-suppliers-mcp:0.1.0"
]
}
}
}Add to `~/.cursor/mcp.json`, or `.cursor/mcp.json` for a single project.
{
"mcpServers": {
"ghcr-io-ziyuant222-crystal-suppliers-mcp": {
"command": "docker",
"args": [
"run",
"-i",
"--rm",
"ghcr.io/ziyuant222/crystal-suppliers-mcp:0.1.0"
]
}
}
}Add to `~/.codeium/windsurf/mcp_config.json`.
{
"mcpServers": {
"ghcr-io-ziyuant222-crystal-suppliers-mcp": {
"command": "docker",
"args": [
"run",
"-i",
"--rm",
"ghcr.io/ziyuant222/crystal-suppliers-mcp:0.1.0"
]
}
}
}Add to `cline_mcp_settings.json` via the MCP Servers panel.
{
"mcpServers": {
"ghcr-io-ziyuant222-crystal-suppliers-mcp": {
"command": "docker",
"args": [
"run",
"-i",
"--rm",
"ghcr.io/ziyuant222/crystal-suppliers-mcp:0.1.0"
]
}
}
}Add to `~/.gemini/settings.json`.
{
"mcpServers": {
"ghcr-io-ziyuant222-crystal-suppliers-mcp": {
"type": "local",
"command": "docker",
"args": [
"run",
"-i",
"--rm",
"ghcr.io/ziyuant222/crystal-suppliers-mcp:0.1.0"
],
"tools": [
"*"
]
}
}
}Add to `~/.copilot/mcp-config.json`, or run `/mcp add` inside the CLI.
{
"context_servers": {
"ghcr-io-ziyuant222-crystal-suppliers-mcp": {
"command": {
"path": "docker",
"args": [
"run",
"-i",
"--rm",
"ghcr.io/ziyuant222/crystal-suppliers-mcp:0.1.0"
]
}
}
}
}Add to your Zed `settings.json`.
docker run -i --rm ghcr.io/ziyuant222/crystal-suppliers-mcp:0.1.0Run `goose configure`, choose **Add Extension → Command-line Extension**, and paste this command.
6 tools
Crystal Suppliers MCP exposes 6 tools to a connected agent.
- crystal_search_products
- Search real bracelet SKUs by SKU, name, material, or theme.
- crystal_get_product
- Retrieve one verified bracelet and related catalog products.
- crystal_list_materials
- List normalized materials and verified bracelet SKU counts.
- crystal_get_sourcing_guidance
- Get supplier-verification checks for bracelets, beads, accessories, or raw materials.
- crystal_build_procurement_shortlist
- Keep verified bracelet results separate from adjacent advisory categories.
- crystal_prepare_inquiry
- Validate supplied SKUs and draft an inquiry without sending or storing it.
Score
68 / 100
Good
- Documentation18/25
- Maintenance16/25
- Trust13/20
- Capability6/15
- Install experience15/15
- Documents what it does and how to connect
- Has a resolvable package or endpoint
- Exposes at least one tool, prompt or resource
- README has substantive content
- Includes a code example
- Documents its configuration
- Mentions credentials or security posture
- Last commit 32 days ago
- Has a release history
- Repository is not archived
- Licensed MIT
- Namespace verified in the official MCP registry
- Claimed by its owner
- Published under an organisation
- 6 tool(s) documented
- Provides prompt templates
- Provides resources
- 18 documented install method(s)
- Published to a package registry
- Offers a hosted endpoint — no local install
Version history
| Versions | Published |
|---|---|
| 0.1.1Latest | Jul 30, 2026 |
| 0.1.0 | Jul 20, 2026 |