Slack
local MCP serverInstallation
Terminal
claude mcp add mcp-server-slack -e SLACK_CONFIG_PATH=... -e SLACK_TEAM_ID=... -e SLACK_CLIENT_ID=... -e SLACK_CLIENT_SECRET=... -e SLACK_DISABLE_REFRESH=... -e SLACK_REQUEST_TIMEOUT_MS=... -e SLACK_MAX_RETRIES=... -e MCP_WORKSPACE_PATH=... -- npx -y @mindstone/mcp-server-slack
Run in your project folder. Add --scope user to use it everywhere.
Claude Desktop, Cursor & other clients
Add to claude_desktop_config.json or .cursor/mcp.json.
{
"mcpServers": {
"mcp-server-slack": {
"command": "npx",
"args": [
"-y",
"@mindstone/mcp-server-slack"
],
"env": {
"SLACK_CONFIG_PATH": "...",
"SLACK_TEAM_ID": "...",
"SLACK_CLIENT_ID": "...",
"SLACK_CLIENT_SECRET": "...",
"SLACK_DISABLE_REFRESH": "...",
"SLACK_REQUEST_TIMEOUT_MS": "...",
"SLACK_MAX_RETRIES": "...",
"MCP_WORKSPACE_PATH": "..."
}
}
}
}Fill in the environment variables with your own credentials.
Summary
Slack MCP server: channels, messages, threads, reactions, users, files, and scheduled messages
Questions
Slack is a local MCP server distributed as the npm package @mindstone/mcp-server-slack.
Run: claude mcp add mcp-server-slack -e SLACK_CONFIG_PATH=... -e SLACK_TEAM_ID=... -e SLACK_CLIENT_ID=... -e SLACK_CLIENT_SECRET=... -e SLACK_DISABLE_REFRESH=... -e SLACK_REQUEST_TIMEOUT_MS=... -e SLACK_MAX_RETRIES=... -e MCP_WORKSPACE_PATH=... -- npx -y @mindstone/mcp-server-slack
Run: codex mcp add mcp-server-slack --env SLACK_CONFIG_PATH=... --env SLACK_TEAM_ID=... --env SLACK_CLIENT_ID=... --env SLACK_CLIENT_SECRET=... --env SLACK_DISABLE_REFRESH=... --env SLACK_REQUEST_TIMEOUT_MS=... --env SLACK_MAX_RETRIES=... --env MCP_WORKSPACE_PATH=... -- npx -y @mindstone/mcp-server-slack
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