Unverified50% confidenceFactExact time
Step X directly calls the MCP and A2A interfaces exposed by applications, completing cross-application interactions in script form, reducing recognition errors and the risk of being blocked.
1
Sources
50%
Confidence
Long-term
Relevance
10/20/2026
First Seen
Sources
Step X Agent Phone Development Guide: Anyone Can Write Skills
bilibili爱学习的乔同学10/20/2026
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