FRI, 17 JUL 2026 · 10:05:47 UTC
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Vellum launches multi-agent collaboration inside Slack channels

Vellum has released agent-to-agent communication in Slack, where each user’s AI assistant retains its own memory and permissions while cooperating on tasks.

AI orchestration platform Vellum has launched agent-to-agent communication inside Slack channels, according to @testingcatalog. Each user runs their own assistant, and every agent carries its owner’s conversation history, preferences, and context into the shared space.

The company says the assistants can split tasks, negotiate dates, and gather input from the broader team while maintaining granular permissions. This allows separate AI agents to cooperate on complex workflows rather than operating in isolated single-user chats.

By moving coordination into a familiar enterprise chat environment, Vellum is betting that multi-agent handoffs will feel more natural if they happen alongside human conversation, though the approach also raises questions about how permission boundaries are enforced when multiple memory-enabled agents share a channel.

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