activepieces Hits 22.5K Stars: Open-Source AI Workflow Automation Bundles ~400 MCP Servers for Agents
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activepieces/activepieces (22,562 stars) positions itself as fair-code AI workflow automation with roughly 400 MCP servers available to agents, combining visual building with AI automation. It competes with n8n and Zapier-style tools but leans hard into MCP-native agent workflows. The large MCP catalog makes it a useful integration hub for builders wiring agents to many external services.