Slack ↔ WxO MCP Gateway MCP Server

io.github.markusvankempen/slack-wxo-mcp-gateway

Repository Registry

What is the Slack ↔ WxO MCP Gateway MCP server?

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

How to install Slack ↔ WxO MCP Gateway

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

SLACK_BOT_TOKEN
required
secret
Slack Bot User OAuth Token (xoxb-…)
WXO_INSTANCE_URL
required
watsonx Orchestrate instance base URL
WXO_API_KEY
required
secret
watsonx Orchestrate / MCSP API key
WXO_AGENT_ID
Default WxO agent id for bindings
GATEWAY_TRANSPORT
stdio (IDE) or streamable-http (hosted). Default for npx IDE use: stdio
SLACK_SIGNING_SECRET
secret
Slack signing secret (Events mode)

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "slack-wxo-mcp-gateway": {
      "command": "npx",
      "args": [
        "-y",
        "@markusvankempen/slack-wxo-mcp-gateway",
        "--stdio"
      ],
      "env": {
        "SLACK_BOT_TOKEN": "<YOUR_SLACK_BOT_TOKEN>",
        "WXO_INSTANCE_URL": "<YOUR_WXO_INSTANCE_URL>",
        "WXO_API_KEY": "<YOUR_WXO_API_KEY>",
        "WXO_AGENT_ID": "<YOUR_WXO_AGENT_ID>",
        "GATEWAY_TRANSPORT": "<YOUR_GATEWAY_TRANSPORT>",
        "SLACK_SIGNING_SECRET": "<YOUR_SLACK_SIGNING_SECRET>"
      }
    }
  }
}