Mechanic 8 of 12 · XP8 (commercial mechanic grounding)
Developer Ecosystem Growth
MECH_DEVELOPER_ECOSYSTEMDeveloper ecosystem growth: SDK downloads, active developers, community contributions. Primary mechanic for self-serve bottom-up adoption.
Attribution signal
developer_activation_event
The platform's commercial-execution telemetry stream emits this named signal whenever the mechanic is satisfied. Deliverables that claim impact against this mechanic must show evidence of this signal during evaluation (XP2 measurable deliverable specification).