Squora NL MCP Server
by squora-nlio.github.SQUORA-NL/crayon-c4-mcpv1.46.0
Author, validate and maintain a CRAYON-C4 architecture model — never write an invalid file.
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Active4d ago
Install Squora NL MCP server
Install in Claude Code
claude mcp add squora-nl -e CRAYON_C4_LICENSE_KEY='<crayon-c4-license-key>' -- npx -y @crayon-c4/mcpInstall in Cursor
{
"mcpServers": {
"squora-nl": {
"command": "npx",
"args": [
"-y",
"@crayon-c4/mcp"
],
"env": {
"CRAYON_C4_LICENSE_KEY": "<crayon-c4-license-key>"
}
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"squora-nl": {
"command": "npx",
"args": [
"-y",
"@crayon-c4/mcp"
],
"env": {
"CRAYON_C4_LICENSE_KEY": "<crayon-c4-license-key>"
}
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"squora-nl": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@crayon-c4/mcp"
],
"env": {
"CRAYON_C4_LICENSE_KEY": "<crayon-c4-license-key>"
}
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"squora-nl": {
"command": "npx",
"args": [
"-y",
"@crayon-c4/mcp"
],
"env": {
"CRAYON_C4_LICENSE_KEY": "<crayon-c4-license-key>"
}
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Configuration
| Variable | Required | Secret | Description |
|---|---|---|---|
| CRAYON_C4_LICENSE_KEY | — | yes | Optional. Unlocks repository scanning and AI enrichment. Without it, the free tier still gives the full local authoring loop (create/edit elements, relationships, diagrams, validation). |
Freshness
Active — last maintenance signal 4d ago. The newest of the signals below sets the band.
Last commit (default branch)
no data · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-10-05 · 4d ago · official registry · v1.46.0
FAQ
›How do I install the Squora NL MCP server in Claude Code?
Run: claude mcp add squora-nl -e CRAYON_C4_LICENSE_KEY='<crayon-c4-license-key>' -- npx -y @crayon-c4/mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does Squora NL require an API key?
Yes. It expects CRAYON_C4_LICENSE_KEY, of which 1 is a secret.
›Can I use Squora NL as a remote (hosted) MCP server?
No hosted endpoint is published; it runs locally over stdio.
›Is Squora NL in the official MCP registry?
Yes, as io.github.SQUORA-NL/crayon-c4-mcp.