For IT and workplace-ops leaders running team communication through chat, Slack is the messaging platform, owned by Salesforce, that's opened itself as a host surface where AI agents like Anthropic's Claude Tag and outside MCP tools now work alongside employees.
Measures earned, engagement-weighted share of voice across the GTM voices panel. Methodology →
Scored as a comparator — GTM runs on it, so it is tracked and scored but never takes a rank.
Measures how easily your agents can build on it — API, MCP, CLI, SDK, docs depth. Methodology →
Grade A — ships API, MCP, no public SDK, CLI on file; agents can build on it today.
Scaled-stage on our scale — 2,632 employees on record.
Founded 2009Funding $1.4BARR ~$3B (Apr 2026)Valuation Acquired by Salesforce (2021)Status Acquired
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