MCPLow riskUnclaimed

Slack ↔ WxO MCP Gateway

Lifts WxO Slack limits: every-message wake-up, multi-channel MCP. https://markusvankempen.github.io/

markusvankempenmarkusvankempen/slack-wxo-mcp-gatewayUpdated Jul 19, 2026

server.json

{
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "name": "io.github.markusvankempen/slack-wxo-mcp-gateway",
  "description": "Lifts WxO Slack limits: every-message wake-up, multi-channel MCP. https://markusvankempen.github.io/",
  "title": "Slack ↔ WxO MCP Gateway",
  "repository": {
    "url": "https://github.com/markusvankempen/slack-wxo-mcp-gateway",
    "source": "github"
  },
  "version": "1.0.3",
  "websiteUrl": "https://markusvankempen.github.io/",
  "packages": [
    {
      "registryType": "npm",
      "identifier": "@markusvankempen/slack-wxo-mcp-gateway",
      "version": "1.0.3",
      "runtimeHint": "npx",
      "transport": {
        "type": "stdio"
      },
      "packageArguments": [
        {
          "value": "--stdio",
          "type": "positional"
        }
      ],
      "environmentVariables": [
        {
          "description": "Slack Bot User OAuth Token (xoxb-…)",
          "isRequired": true,
          "format": "string",
          "isSecret": true,
          "name": "SLACK_BOT_TOKEN"
        },
        {
          "description": "watsonx Orchestrate instance base URL",
          "isRequired": true,
          "format": "string",
          "name": "WXO_INSTANCE_URL"
        },
        {
          "description": "watsonx Orchestrate / MCSP API key",
          "isRequired": true,
          "format": "string",
          "isSecret": true,
          "name": "WXO_API_KEY"
        },
        {
          "description": "Default WxO agent id for bindings",
          "format": "string",
          "name": "WXO_AGENT_ID"
        },
        {
          "description": "stdio (IDE) or streamable-http (hosted). Default for npx IDE use: stdio",
          "format": "string",
          "name": "GATEWAY_TRANSPORT"
        },
        {
          "description": "Slack signing secret (Events mode)",
          "format": "string",
          "isSecret": true,
          "name": "SLACK_SIGNING_SECRET"
        }
      ]
    }
  ]
}

Permissions

DeclaredDetected
Runs code—node
Installs—npm:@markusvankempen/slack-wxo-mcp-gateway@1.0.3
Runs install scripts—None
NetworkNoneNone
Needs credentialsSLACK_BOT_TOKENSLACK_SIGNING_SECRETWXO_API_KEYSLACK_BOT_TOKENSLACK_SIGNING_SECRETWXO_API_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. #11.0.3latestOct 7, 2026