How to install Slack in Codex
To install Slack in Codex, run "codex mcp add slack --env SLACK_CONFIG_PATH=YOUR_SLACK_CONFIG_PATH --env SLACK_TEAM_ID=YOUR_SLACK_TEAM_ID -- npx -y @mindstone/mcp-server-slack" in your terminal, then type /mcp in Codex to check it.
Built from the published package · server updated 7 days ago
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Run the install command
In a terminal, run:
codex mcp add slack --env SLACK_CONFIG_PATH=YOUR_SLACK_CONFIG_PATH --env SLACK_TEAM_ID=YOUR_SLACK_TEAM_ID -- npx -y @mindstone/mcp-server-slack - 2
Check it
Inside Codex, type /mcp to see the server and its tools.
MCP servers run with your permissions. If Slack needs an API key, add it under env in the config. Check its README.
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Questions
Does Slack work in Codex?
Yes. Codex supports mcp servers in the codex cli and ide extension, and Slack installs with the steps above.
Slack does not show up in Codex. What now?
Restart Codex fully, check the JSON is valid, and make sure Node.js (for npx) is installed. See common MCP errors and fixes.
Is Slack safe?
It scores 67 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.
