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karbon-mcp-server

Unofficial MCP server for Karbon practice management: contacts, work, time, invoices, payments.

Mad-Man-Danmad-man-dan/karbon-mcp-serverUpdated Jul 16, 2026

server.json

{
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "name": "io.github.Mad-Man-Dan/karbon-mcp-server",
  "description": "Unofficial MCP server for Karbon practice management: contacts, work, time, invoices, payments.",
  "repository": {
    "url": "https://github.com/Mad-Man-Dan/karbon-mcp-server",
    "source": "github"
  },
  "version": "0.2.4",
  "packages": [
    {
      "registryType": "npm",
      "identifier": "karbon-mcp-server",
      "version": "0.2.4",
      "transport": {
        "type": "stdio"
      },
      "environmentVariables": [
        {
          "description": "Bearer token (Application Authorization Token) from Karbon → Settings → Connected Apps → API Applications",
          "isRequired": true,
          "format": "string",
          "isSecret": true,
          "name": "KARBON_BEARER_TOKEN"
        },
        {
          "description": "Access key (JWT starting with 'ey') from Karbon → Settings → Connected Apps → API Applications",
          "isRequired": true,
          "format": "string",
          "isSecret": true,
          "name": "KARBON_ACCESS_KEY"
        },
        {
          "description": "Set to 'true' to disable all create/update tools (they are not registered at all)",
          "format": "string",
          "name": "KARBON_READ_ONLY"
        },
        {
          "description": "Set to 'true' to enable the payment write tools (create/delete/reverse manual payments); off by default",
          "format": "string",
          "name": "KARBON_ALLOW_PAYMENT_WRITES"
        }
      ]
    }
  ]
}

Permissions

DeclaredDetected
Runs code—node
Installs—npm:karbon-mcp-server@0.2.4
Runs install scripts—None
NetworkNoneNone
Needs credentialsKARBON_ACCESS_KEYKARBON_BEARER_TOKENKARBON_ACCESS_KEYKARBON_BEARER_TOKEN
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. #10.2.4latestOct 7, 2026