MCPLow riskUnclaimed

crayon-c4-mcp

Author, validate and maintain a CRAYON-C4 architecture model — never write an invalid file.

SQUORA-NLsquora-nl/crayon-c4-mcpUpdated Oct 5, 2026

server.json

{
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "name": "io.github.SQUORA-NL/crayon-c4-mcp",
  "description": "Author, validate and maintain a CRAYON-C4 architecture model — never write an invalid file.",
  "repository": {
    "url": "https://github.com/SQUORA-NL/CRAYON.C4",
    "source": "github",
    "subfolder": "packages/mcp-server"
  },
  "version": "1.46.0",
  "packages": [
    {
      "registryType": "npm",
      "identifier": "@crayon-c4/mcp",
      "version": "1.46.0",
      "transport": {
        "type": "stdio"
      },
      "environmentVariables": [
        {
          "description": "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).",
          "format": "string",
          "isSecret": true,
          "name": "CRAYON_C4_LICENSE_KEY"
        }
      ]
    }
  ]
}

Permissions

DeclaredDetected
Runs code—node
Installs—npm:@crayon-c4/mcp@1.46.0
Runs install scripts—None
NetworkNoneNone
Needs credentialsCRAYON_C4_LICENSE_KEYCRAYON_C4_LICENSE_KEY
Outside the workspace—None
Agent tools—None

Checks

Low risk · Nothing worth a warning was found.

Not reviewed by a person · Checked by rules; the model review is not switched on yet.

Versions

  1. #11.46.0latestOct 7, 2026