The answer
@zencoderai/slack-mcp-server
Top verified match: it matches your intent, corroborated across multiple registries.
fresh · published 8d ago · verified 2026-07-11tested · static-verifiedsigned passport ✓score 58/1002,525 monthly downloads
claude mcp add slack-mcp-server -- npx -y @zencoderai/slack-mcp-server