Lifts WxO Slack limits: every-message wake-up, multi-channel MCP. https://markusvankempen.github.io/
To add Slack ↔ WxO MCP Gateway to Claude, run the install command below or copy the ready-made config for Claude Code, Claude Desktop, Cursor and VS Code further down. Restart your client after adding it and its tools show up in your next conversation. It needs 6 environment variables, listed below.
Install
npx -y @markusvankempen/slack-wxo-mcp-gateway@1.0.3Environment variables
SLACK_BOT_TOKENSet in your MCP configWXO_INSTANCE_URLSet in your MCP configWXO_API_KEYSet in your MCP configWXO_AGENT_IDSet in your MCP configGATEWAY_TRANSPORTSet in your MCP configSLACK_SIGNING_SECRETSet in your MCP configInstall with your client
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@1.0.3
Run this in a terminal to add the server to Claude Code.
What this does
Slack ↔ WxO MCP Gateway exposes a set of tools to Claude over the Model Context Protocol. After you add it to claude_desktop_config.json (snippet above) and restart Claude Desktop, those tools become callable inside any conversation.
Requirements
This server needs the following environment variables to be set before it can run:
SLACK_BOT_TOKEN WXO_INSTANCE_URL WXO_API_KEY WXO_AGENT_ID GATEWAY_TRANSPORT SLACK_SIGNING_SECRET
Set these via the env object in your MCP config (see claude_desktop_config.json snippet above).
Frequently asked questions
How do I install Slack ↔ WxO MCP Gateway?
Run the Claude Code command in the install section to add Slack ↔ WxO MCP Gateway to Claude Code, or copy the ready-made config for your client from the install section on this page. Restart your client afterwards and the tools appear in your next conversation.
Which clients work with Slack ↔ WxO MCP Gateway?
This page carries setup and config for Claude Code, Claude Desktop, Cursor and VS Code. Any other MCP client that accepts a standard server config can connect to Slack ↔ WxO MCP Gateway as well.
Does Slack ↔ WxO MCP Gateway need an API key?
Yes. Before it can run, set these environment variables: SLACK_BOT_TOKEN, WXO_INSTANCE_URL, WXO_API_KEY, WXO_AGENT_ID, GATEWAY_TRANSPORT, SLACK_SIGNING_SECRET. They go in the env block of your MCP config.
Imported from the Official MCP Registry. The details above come from the registry entry; the maker can claim this listing to correct them, add docs, and see its traffic.
Is this your MCP server?
Claim this listing to see its traffic, fix details yourself, and skip the review queue on future updates.
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