Slack Wxo MCP Gateway MCP Server

by markusvankempenio.github.markusvankempen/slack-wxo-mcp-gatewayv1.0.3

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

0Node.jsstdioofficial registry

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security

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freshness

Maintained3mo ago

Install Slack Wxo MCP Gateway MCP server

claude mcp add slack-wxo-mcp-gateway -e SLACK_BOT_TOKEN='<slack-bot-token>' -e WXO_INSTANCE_URL='<wxo-instance-url>' -e WXO_API_KEY='<wxo-api-key>' -e SLACK_SIGNING_SECRET='<slack-signing-secret>' -- npx -y @markusvankempen/slack-wxo-mcp-gateway --stdio

{
  "mcpServers": {
    "slack-wxo-mcp-gateway": {
      "command": "npx",
      "args": [
        "-y",
        "@markusvankempen/slack-wxo-mcp-gateway",
        "--stdio"
      ],
      "env": {
        "SLACK_BOT_TOKEN": "<slack-bot-token>",
        "WXO_INSTANCE_URL": "<wxo-instance-url>",
        "WXO_API_KEY": "<wxo-api-key>",
        "SLACK_SIGNING_SECRET": "<slack-signing-secret>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "slack-wxo-mcp-gateway": {
      "command": "npx",
      "args": [
        "-y",
        "@markusvankempen/slack-wxo-mcp-gateway",
        "--stdio"
      ],
      "env": {
        "SLACK_BOT_TOKEN": "<slack-bot-token>",
        "WXO_INSTANCE_URL": "<wxo-instance-url>",
        "WXO_API_KEY": "<wxo-api-key>",
        "SLACK_SIGNING_SECRET": "<slack-signing-secret>"
      }
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "slack-wxo-mcp-gateway": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@markusvankempen/slack-wxo-mcp-gateway",
        "--stdio"
      ],
      "env": {
        "SLACK_BOT_TOKEN": "<slack-bot-token>",
        "WXO_INSTANCE_URL": "<wxo-instance-url>",
        "WXO_API_KEY": "<wxo-api-key>",
        "SLACK_SIGNING_SECRET": "<slack-signing-secret>"
      }
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "slack-wxo-mcp-gateway": {
      "command": "npx",
      "args": [
        "-y",
        "@markusvankempen/slack-wxo-mcp-gateway",
        "--stdio"
      ],
      "env": {
        "SLACK_BOT_TOKEN": "<slack-bot-token>",
        "WXO_INSTANCE_URL": "<wxo-instance-url>",
        "WXO_API_KEY": "<wxo-api-key>",
        "SLACK_SIGNING_SECRET": "<slack-signing-secret>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
SLACK_BOT_TOKEN	yes	yes	Slack Bot User OAuth Token (xoxb-…)
WXO_INSTANCE_URL	yes	—	watsonx Orchestrate instance base URL
WXO_API_KEY	yes	yes	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	—	yes	Slack signing secret (Events mode)

Freshness

Maintained — last maintenance signal 3mo ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-07-18 · 3mo ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-07-19 · 3mo ago · official registry · v1.0.3

FAQ

›How do I install the Slack Wxo MCP Gateway MCP server in Claude Code?

Run: claude mcp add slack-wxo-mcp-gateway -e SLACK_BOT_TOKEN='<slack-bot-token>' -e WXO_INSTANCE_URL='<wxo-instance-url>' -e WXO_API_KEY='<wxo-api-key>' -e SLACK_SIGNING_SECRET='<slack-signing-secret>' -- npx -y @markusvankempen/slack-wxo-mcp-gateway --stdio. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Slack Wxo MCP Gateway require an API key?

Yes. It expects SLACK_BOT_TOKEN, WXO_INSTANCE_URL, WXO_API_KEY, SLACK_SIGNING_SECRET, of which 3 are secrets.

›Can I use Slack Wxo MCP Gateway as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is Slack Wxo MCP Gateway in the official MCP registry?

Yes, as io.github.markusvankempen/slack-wxo-mcp-gateway.