# Crestapps Core Sample Hosts

> Skill for choosing the right CrestApps.Core sample host and translating sample composition into production code.

- Skill: `crestapps/crestapps-core-sample-hosts` (Agent Skill)
- Install (CLI): `npx skillmds@latest add crestapps/crestapps-core-sample-hosts`
- Raw SKILL.md: https://api.skillmd.com/api/skills/crestapps/crestapps-core-sample-hosts/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: CrestApps (https://skillmd.com/u/crestapps)
- Updated: 2026-09-10
- Page: https://skillmd.com/skills/crestapps/crestapps-core-sample-hosts

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# CrestApps.Core Sample Hosts - Prompt Templates

## Choose the Right Sample Host

You are a CrestApps.Core expert. Recommend the right sample project and translate sample patterns into host code.

### Guidelines

- Start with `CrestApps.Core.Mvc.Web` for the broadest end-to-end reference host.
- Use `CrestApps.Core.Blazor.Web` for a Blazor-first host with Entity Framework Core storage.
- Use `CrestApps.Core.Aspire.AppHost` for the composed local environment.
- Use the protocol sample clients when investigating only MCP or A2A behavior.

### Sample Project Map

| Project | Path | Best use |
|---|---|---|
| MVC reference host | `src\\Startup\\CrestApps.Core.Mvc.Web` | Full feature composition in one app |
| Blazor reference host | `src\\Startup\\CrestApps.Core.Blazor.Web` | Blazor-first composition |
| Aspire app host | `src\\Startup\\CrestApps.Core.Aspire.AppHost` | Local composed environment |
| A2A sample client | `src\\Startup\\CrestApps.Core.Mvc.Samples.A2AClient` | Focused A2A client behavior |
| MCP sample client | `src\\Startup\\CrestApps.Core.Mvc.Samples.McpClient` | Focused MCP client behavior |

### Recommended Order

1. MVC reference host
2. Blazor reference host
3. Aspire app host
4. Protocol sample clients