📅 November 4, 2026 • Salesforce
Half of Slack messages now come from apps and agents, per Salesforce
The headline stat
Per Salesforce, 50 percent of messages sent in Slack now come from apps and agents. Users send 1 billion messages per day. The platform processes 127 million MCP tool calls per week, a figure the company says doubles every quarter.
Agent adoption
Per Salesforce, 1.9 million users interact with third-party agents in Slack every week. At Anthropic, 65 percent of code changes reach production through Slack. Spending by frontier AI companies on Salesforce products grew 435 percent year over year, and 9 of the top 10 frontier AI companies work in Slack.
What MCP is
MCP, the Model Context Protocol, is a protocol for connecting tools and data sources to AI agents. An agent uses it to read a document, query a system or trigger an action through a standard interface instead of a custom integration per tool.
IMPACT
For teams running Slack workspaces the numbers describe a workload shift that is already measurable. Half of message volume per Salesforce is machine-generated - alerts, workflow updates and agent responses sitting next to human threads. The 127 million weekly MCP calls are the layer where agents touch real systems - tickets, records, deployments. If the doubling per quarter continues, call volume reaches hundreds of millions per week within a year, which means more integrations to govern, more agent permissions to audit and a growing operational surface on the platform side. For vendors, the 435 percent spend growth by frontier AI companies signals where enterprise AI budgets are flowing, and the 1.9 million weekly users of third-party agents mark agent apps as a distribution channel with real reach. The operational checklist that follows from these numbers - integration inventories, agent permission audits and weekly MCP call dashboards - is now part of running a large workspace rather than a niche experiment. All figures are vendor stats per Salesforce from a single source.
Sources: salesforce.com
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