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+# Bead bf-ns9q: C# Starter Kit Registration - Re-verification
+
+## Task
+C# starter kit — starters/csharp/ exists but CI workflow and plan §5.8 coverage missing
+
+## Status: ALREADY COMPLETED
+
+All required components were verified present on 2026-05-22.
+
+## Verification Summary
+
+### 1. CI Workflow ✅
+- **Location:** `starters/csharp/.github/workflows/build.yml`
+- **Added in:** commit 7bf6566 (2026-04-21)
+- **Content:** Standard GitHub Actions workflow that builds and pushes Docker image to GHCR
+
+### 2. Plan §5.8 Coverage ✅
+- **Location:** docs/plan/plan.md line 986
+- **Added in:** commit 55c594c (2026-05-22)
+- **Entry:** `| acb-starter-csharp | Template repo | ASP.NET Core minimal API, zero external dependencies |`
+
+### 3. Directory Listing ✅
+- **Location:** docs/plan/plan.md line 2565
+- **Added in:** commit 9d4a311 (2026-05-22)
+- **Entry:** `| └── csharp/` in the starters/ directory tree
+
+### 4. Plan §11.2 Template Repos ✅
+- **Location:** docs/plan/plan.md line 2629
+- **Added in:** commit 55c594c (2026-05-22)
+- **Entry:** `| acb-starter-csharp | C# | ASP.NET Core minimal API, System.Security.Cryptography HMAC, Dockerfile |`
+
+### 5. Complete C# Starter Kit Implementation ✅
+- **Location:** `starters/csharp/`
+- **Files:**
+  - Program.cs - ASP.NET Core minimal API with HMAC auth
+  - Grid.cs - Grid utility functions
+  - tests/GridTests/ - Unit tests for grid functions
+  - Dockerfile - Multi-stage build (builder, test, runtime)
+  - README.md - Comprehensive documentation
+  - acb-starter-csharp.csproj - Project file
+  - .github/workflows/build.yml - CI/CD workflow
+
+## Conclusion
+
+The C# starter kit is fully registered and documented alongside the other 8 language starter kits (Python, Go, Rust, PHP, TypeScript, Java, JavaScript, C#). No additional work was required for this bead.