Individual skill

orchardcore-phone-numbers

Skill for using CrestApps Orchard Core phone-number parsing, validation, E.164 normalization, display formatting, region lookup, and time-zone lookup services. Covers the dependency-only CrestApps.OrchardCore.PhoneNumbers feature, IPhoneNumberService, the canonical PhoneNumber value type with TryParse, FromE164 and TryFromE164, FormatForDisplay, PhoneNumberComparisonKey for matching stored raw values, and how DNC screening, verifications, Omnichannel and the soft phone consume canonical numbers. Use this skill when requests mention Orchard Core phone numbers, E.164 formatting, libphonenumber, country calling codes, phone number display formatting, or phone number time zones. Strong matches include work with CrestApps.OrchardCore.PhoneNumbers, CrestApps.OrchardCore.PhoneNumbers.Abstractions, IPhoneNumberService, DefaultPhoneNumberService, PhoneNumber, PhoneNumberServiceExtensions, PhoneNumberComparisonKey, and TryFormatToE164.

src/CrestApps.AgentSkills/crestapps-orchardcore/orchardcore-phone-numbers/SKILL.md

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Oct 21, 2026
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# Orchard Core Phone Numbers - Prompt Templates

## Normalize and Validate Phone Numbers

You are an Orchard Core expert. Generate code and configuration for the CrestApps Phone Numbers services. This infrastructure module provides parsing, validation, E.164 normalization, region lookup, country-code lookup, and phone-number time-zone lookup.

### Guidelines

- Install `CrestApps.OrchardCore.PhoneNumbers` in the web/startup project. Code that only consumes the contracts references `CrestApps.OrchardCore.PhoneNumbers.Abstractions` (namespace `CrestApps.OrchardCore.PhoneNumbers`).
- Enable `CrestApps.OrchardCore.PhoneNumbers`; it is marked dependency-only and normally activates through a dependent feature.
- Resolve `IPhoneNumberService` rather than parsing numbers with string manipulation.
- Store normalized phone numbers in E.164 format for comparisons, indexes, DNC lists, and external APIs.
- Pass canonical numbers between services as the `PhoneNumber` value type (built with `IPhoneNumberService.TryParse`), not as raw strings. DNC registries require it.
- Show numbers to people with `FormatForDisplay`; store and dial E.164.