Half of Slack Messages Are No Longer From People. Here’s Slack by the Numbers.
Salesforce, Tuesday, November 3rd, 2026
Salesforce says half of Slack messages now come from apps and agents, with 127 million MCP tool calls processed weekly.
Salesforce shared Slack statistics showing the platform's role as a workspace for humans and AI agents.
Slack processes 127 million MCP tool calls each week, a figure doubling quarter over quarter, and users send 1 billion messages a day.
According to the post, 50% of Slack messages come from apps and agents, 1.9 million users interact with third-party agents weekly, and 65% of code changes at Anthropic ship through Slack.
Customer Rochester Electronics uses Slack as an operational command center with Slackbot, Skills and custom workflows to automate routine tasks.