OpenClaw passed 300,000 GitHub stars. Then Google launched Spark.
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OpenClaw's 300k stars and Google Spark launch signal major open-source AI agent traction, directly relevant to agent orchestration.
OpenClaw, Peter Steinberger's open-source personal agent, surpassed 300,000 GitHub stars by April, offering self-hosted control on a Mac mini drawing 7 watts. Google countered at I/O with Gemini Spark, a 24/7 agent built on Gemini 3.5 Flash and the Antigravity stack, running on Google Cloud VMs with deep Gmail/Docs/Sheets integration. Both converge on MCP for tool connectivity, but the substrate—self-hosted metal vs. managed cloud—determines who holds credentials and context, with Chinese regulators already flagging OpenClaw's local security risks.
- Assess whether your use case demands credential sovereignty (self-hosted) or zero-setup integration with existing SaaS tools (managed), and plan for the security and operational overhead of each substrate.
For a solutions architect evaluating agent orchestration and cloud infrastructure, this split between self-hosted (OpenClaw) and managed (Spark) defines the architectural decision point for deploying persistent AI agents that act on sensitive data.