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Mint, resolve, audit, and rotate scope-limited expiring access links (qURLs) for AI agents.
About
Mint, resolve, audit, and rotate scope-limited expiring access links (qURLs) for AI agents.
Security Report
5.2
Moderate5.2Moderate RiskThis is a well-structured MCP server for the qURL secure link management API with solid authentication, proper input validation, and clean architecture. The server requires an API key for all operations and validates inputs comprehensively using Zod schemas. Minor code quality observations around error handling and logging do not substantially impact the security posture. Supply chain analysis found 3 known vulnerabilities in dependencies (0 critical, 3 high severity). Package verification found 1 issue.
5 files analyzed · 8 issues found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
What You'll Need
Set these up before or after installing:
API key for the qURL API with qurl:read, qurl:write, and/or qurl:resolve scopes. Obtain from https://layerv.ai.Required
Environment variable: QURL_API_KEY
qURL API base URL. Defaults to https://api.layerv.ai.
Environment variable: QURL_API_URL
How to Install
Add this to your MCP configuration file:
{
"mcpServers": {
"io-github-layervai-qurl-mcp": {
"env": {
"QURL_API_KEY": "your-qurl-api-key-here",
"QURL_API_URL": "your-qurl-api-url-here"
},
"args": [
"-y",
"@layerv/qurl-mcp"
],
"command": "npx"
}
}
}Documentation
View on GitHubFrom the project's GitHub README.
@layerv/qurl-mcp
MCP server for qURL™ secure link management.
Quantum URL (qURL) · The internet has a hidden layer. This is how you enter.
What it does
qURL MCP Server is a Model Context Protocol server that lets AI agents (Claude, GPT, Cursor, etc.) create, resolve, list, and manage qURL secure links natively. It connects to the qURL API over stdio transport, so any MCP-compatible client can use it without custom integration code.
Quick Start
Add the server to your MCP client configuration (Claude Desktop, Claude Code, etc.):
{
"mcpServers": {
"qurl": {
"command": "npx",
"args": ["@layerv/qurl-mcp"],
"env": { "QURL_API_KEY": "lv_live_xxx" }
}
}
}
Replace lv_live_xxx with your actual API key. The key must have the appropriate scopes for the tools you intend to use (see below).
Available Tools
| Tool | Description | Required Scope |
|---|---|---|
create_qurl | Create a secure, policy-bound link to a protected resource | qurl:write |
resolve_qurl | Resolve an access token to get the target URL and open firewall access | qurl:resolve |
list_qurls | List active qURLs with optional pagination | qurl:read |
get_qurl | Get details of a specific qURL by resource ID | qurl:read |
delete_qurl | Revoke a qURL, immediately invalidating the link | qurl:write |
extend_qurl | Extend the expiration of an active qURL (alias for update_qurl) | qurl:write |
update_qurl | Update expiration, tags, or description on an active qURL | qurl:write |
mint_link | Mint a new access link for an existing protected resource | qurl:write |
batch_create_qurls | Create multiple qURLs in a single call | qurl:write |
Available Resources
| URI | Name | Description |
|---|---|---|
qurl://links | Active qURL Links | List of all active qURL links |
qurl://usage | qURL Usage & Quota | Current quota and usage information |
Configuration
| Environment Variable | Required | Description | Default |
|---|---|---|---|
QURL_API_KEY | Conditional (see description) | API key with appropriate scopes (qurl:read, qurl:write, qurl:resolve). The server boots without it so MCP introspection (tools/list, resources/list, prompts/list) works for directory probes — required only on the first tool call or resource read, where invocations surface a typed missing_api_key error until the key is set. | -- |
QURL_API_URL | No | qURL API base URL | https://api.layerv.ai |
Docker
A multi-stage Dockerfile is included for container-based deployment:
docker build -t qurl-mcp .
docker run -i -e QURL_API_KEY=lv_live_xxx qurl-mcp
The image runs as the non-root node user, ships only production dependencies, and uses tini as PID 1 for clean signal handling.
If a tool call returns missing_api_key despite QURL_API_KEY looking set, check stderr for the boot-time warning — some MCP hosts hide stderr, and the warning is the fastest way to spot a whitespace-only or unset value:
docker logs <container> # if running detached
docker run -i -e QURL_API_KEY=lv_live_xxx qurl-mcp 2>&1 # interactive
Development
npm install
npm run build
npm test
npm run lint
Additional commands:
npm run dev # Watch mode (rebuild on changes)
npm run format # Format source with Prettier
npm run format:check # Check formatting without modifying files
License
MIT -- LayerV AI
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