The indicator isn't part of your product. Therefor, the product can't use it except when running on your machine. Why does this surprise you when you try to use the cloud or Market Validation?
Just embed the other indicator(s) inside your indicator/EA. Add the CI(s) to your code as a resource.
#resource "\\Indicators… iCustom("::Indicators…
Use the publicly released code - MQL5 programming forum (2017)
Resources - MQL4 Reference
Be aware that using resources is 40x times slower than using CIs directly.
A custom indicator as a resource - MQL4 programming forum (2019)
Also make use there are no spaces in the path.
Getting error 4802 when loading custom indicator that loads another custom indicator with iCustom - Technical Indicators - MQL5 programming forum. (2020)
Also Use of Resources in MQL5 - MQL5 Articles (2011)
The indicator isn't part of your product. Therefor, the product can't use it except when running on your machine. Why does this surprise you when you try to use the cloud or Market Validation?
Just embed the other indicator(s) inside your indicator/EA. Add the CI(s) to your code as a resource.
#resource "\\Indicators… iCustom("::Indicators…
Use the publicly released code - MQL5 programming forum (2017)
Resources - MQL4 Reference
Be aware that using resources is 40x times slower than using CIs directly.
A custom indicator as a resource - MQL4 programming forum (2019)
Also make use there are no spaces in the path.
Getting error 4802 when loading custom indicator that loads another custom indicator with iCustom - Technical Indicators - MQL5 programming forum. (2020)
Also Use of Resources in MQL5 - MQL5 Articles (2011)
thank you, that's what I figured.
What about custom settings for custom symbols, commissions, trading hours etc? are those transferred to the local cpus? I am aware custom symbols won't work with cloud cpus.

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I have an EA that taps into an external indicator ex5 file.
If i use local network agents (or even cloud agents) for optimization, will that external indicator be somehow available to those agents or will just spit out inaccurate passes?
Thank you