PluginBench
MCP Server
Maintained
Apache-2.0

Slack ↔ WxO MCP Gateway MCP Server

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

RepositoryRegistry

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)

Claude Desktop
~/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>"
      }
    }
  }
}
Cursor
~/.cursor/mcp.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>"
      }
    }
  }
}
Windsurf
~/.codeium/windsurf/mcp_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>"
      }
    }
  }
}
VS Code
.vscode/mcp.json
{
  "servers": {
    "slack-wxo-mcp-gateway": {
      "type": "stdio",
      "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>"
      }
    }
  }
}
Claude Code
claude mcp add slack-wxo-mcp-gateway --env SLACK_BOT_TOKEN=<YOUR_SLACK_BOT_TOKEN> --env WXO_INSTANCE_URL=<YOUR_WXO_INSTANCE_URL> --env WXO_API_KEY=<YOUR_WXO_API_KEY> --env WXO_AGENT_ID=<YOUR_WXO_AGENT_ID> --env GATEWAY_TRANSPORT=<YOUR_GATEWAY_TRANSPORT> --env SLACK_SIGNING_SECRET=<YOUR_SLACK_SIGNING_SECRET> -- npx -y @markusvankempen/slack-wxo-mcp-gateway --stdio

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