qURL MCP Server

by layervaiio.github.layervai/qurl-mcpv0.5.0

Mint, resolve, audit and rotate expiring, scope-limited access links (qURLs) via the qURL API.

4Node.jsstdioofficial registry

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Active1d ago

Install qURL MCP server

claude mcp add qurl -e QURL_API_KEY='<qurl-api-key>' -e QURL_SMTP_USERNAME='<qurl-smtp-username>' -e QURL_SMTP_PASSWORD='<qurl-smtp-password>' -- npx -y @layervai/qurl-mcp

{
  "mcpServers": {
    "qurl": {
      "command": "npx",
      "args": [
        "-y",
        "@layervai/qurl-mcp"
      ],
      "env": {
        "QURL_API_KEY": "<qurl-api-key>",
        "QURL_SMTP_USERNAME": "<qurl-smtp-username>",
        "QURL_SMTP_PASSWORD": "<qurl-smtp-password>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "qurl": {
      "command": "npx",
      "args": [
        "-y",
        "@layervai/qurl-mcp"
      ],
      "env": {
        "QURL_API_KEY": "<qurl-api-key>",
        "QURL_SMTP_USERNAME": "<qurl-smtp-username>",
        "QURL_SMTP_PASSWORD": "<qurl-smtp-password>"
      }
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "qurl": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@layervai/qurl-mcp"
      ],
      "env": {
        "QURL_API_KEY": "<qurl-api-key>",
        "QURL_SMTP_USERNAME": "<qurl-smtp-username>",
        "QURL_SMTP_PASSWORD": "<qurl-smtp-password>"
      }
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "qurl": {
      "command": "npx",
      "args": [
        "-y",
        "@layervai/qurl-mcp"
      ],
      "env": {
        "QURL_API_KEY": "<qurl-api-key>",
        "QURL_SMTP_USERNAME": "<qurl-smtp-username>",
        "QURL_SMTP_PASSWORD": "<qurl-smtp-password>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
QURL_API_KEY	yes	yes	API key for the qURL API with qurl:read, qurl:write, and/or qurl:resolve scopes. Obtain from https://layerv.ai.
QURL_API_URL	—	—	qURL API base URL. Defaults to https://api.layerv.ai. Override only for testing against a non-production qURL backend.
QURL_CONNECTOR_URL	—	—	Connector base URL used by local-file, file-data, and text-to-PDF upload tools before minting a qURL.
QURL_MCP_CONFIG	—	—	Optional path to a shared qURL MCP config file. Both stdio and HTTP modes can read SMTP, connector, and default API settings from this file.
MCP_MAX_UPLOAD_FILE_DATA_BYTES	—	—	Maximum decoded/local upload size. Accepts bytes or units such as 10mb; capped at 100mb.
QURL_SMTP_HOST	—	—	SMTP hostname for optional qURL link delivery.
QURL_SMTP_PORT	—	—	SMTP port for optional qURL link delivery.
QURL_SMTP_SECURE	—	—	Whether SMTP uses an implicit TLS connection (true/false).
QURL_SMTP_USERNAME	—	yes	SMTP authentication username.
QURL_SMTP_PASSWORD	—	yes	SMTP authentication password or app-specific credential.
QURL_SMTP_FROM_EMAIL	—	—	Validated sender email address for qURL delivery.
QURL_SMTP_FROM_NAME	—	—	Optional sender display name for qURL delivery.
QURL_SMTP_ALLOWED_RECIPIENTS	—	—	Optional comma-separated exact recipient allowlist.
QURL_SMTP_ALLOWED_RECIPIENT_DOMAINS	—	—	Optional comma-separated recipient-domain allowlist.
QURL_SMTP_MAX_RECIPIENTS_PER_MESSAGE	—	—	Maximum recipients in one delivery request (default 10).
QURL_SMTP_MAX_RECIPIENTS_PER_HOUR	—	—	Maximum attempted recipients per qURL key per fixed hourly window (default 100).

Freshness

Active — last maintenance signal 1d ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-10-08 · 1d ago · GitHub
Latest release
2026-09-19 · 21d ago · GitHub · qurl-mcp-v0.5.0
Package published
no data · npm/PyPI
Registry entry updated
2026-09-19 · 21d ago · official registry · v0.5.0

FAQ

›How do I install the qURL MCP server in Claude Code?

Run: claude mcp add qurl -e QURL_API_KEY='<qurl-api-key>' -e QURL_SMTP_USERNAME='<qurl-smtp-username>' -e QURL_SMTP_PASSWORD='<qurl-smtp-password>' -- npx -y @layervai/qurl-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does qURL require an API key?

Yes. It expects QURL_API_KEY, QURL_SMTP_USERNAME, QURL_SMTP_PASSWORD, of which 3 are secrets.

›Can I use qURL as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is qURL in the official MCP registry?

Yes, as io.github.layervai/qurl-mcp.