[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"skill-dotnet-test-arcade":3,"mdc--nnt7fj-key":33,"related-repo-dotnet-test-arcade":1538,"related-org-dotnet-test-arcade":1635},{"slug":4,"name":4,"fn":5,"description":6,"org":7,"tags":11,"stars":22,"repoUrl":23,"updatedAt":24,"license":25,"forks":26,"topics":27,"repo":28,"sourceUrl":31,"mdContent":32},"test-arcade","build and test Arcade SDK locally","Build the Arcade SDK from source, configure a local NuGet feed with the artifacts, and validate the build by running a test repository against the locally-built packages. Use when testing local Arcade changes against a consuming repo, validating Arcade SDK changes before merging, or verifying that a repo can build with a new Arcade version. Use when asked \"test arcade\", \"build and test arcade\", \"validate arcade changes\", \"try arcade locally\", \"test arcade SDK\", \"build arcade packages\", or \"run a repo against local arcade\". DO NOT USE FOR: CI analysis, Helix test investigation, codeflow\u002Fdependency-flow issues, or production Arcade SDK publishing.\n",{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},"dotnet",".NET (Microsoft)","https:\u002F\u002Fpexgzepcugksgbtrxkhf.supabase.co\u002Fstorage\u002Fv1\u002Fobject\u002Fpublic\u002Forg-logos\u002Fdotnet.png",[12,16,19],{"name":13,"slug":14,"type":15},".NET","net","tag",{"name":17,"slug":18,"type":15},"Deployment","deployment",{"name":20,"slug":21,"type":15},"Testing","testing",12,"https:\u002F\u002Fgithub.com\u002Fdotnet\u002Farcade-skills","2026-07-12T08:21:54.388318",null,18,[],{"repoUrl":23,"stars":22,"forks":26,"topics":29,"description":30},[],"Reuseable AI skills, plugins, agents for use in the dotnet product repos, such as dotnet\u002Fruntime","https:\u002F\u002Fgithub.com\u002Fdotnet\u002Farcade-skills\u002Ftree\u002FHEAD\u002Fplugins\u002Fdotnet-dnceng\u002Fskills\u002Ftest-arcade","---\nname: test-arcade\ndescription: >\n  Build the Arcade SDK from source, configure a local NuGet feed with the artifacts,\n  and validate the build by running a test repository against the locally-built packages.\n  Use when testing local Arcade changes against a consuming repo, validating Arcade SDK\n  changes before merging, or verifying that a repo can build with a new Arcade version.\n  Use when asked \"test arcade\", \"build and test arcade\", \"validate arcade changes\",\n  \"try arcade locally\", \"test arcade SDK\", \"build arcade packages\", or\n  \"run a repo against local arcade\".\n  DO NOT USE FOR: CI analysis, Helix test investigation, codeflow\u002Fdependency-flow issues,\n  or production Arcade SDK publishing.\n---\n\n# Build and Test Arcade SDK Locally\n\nBuild the Arcade SDK from a local checkout, publish the artifacts to a local NuGet feed, and validate by building a test repository against those packages.\n\n**Workflow**: Gather paths (Step 0) → run the script (Step 1) → interpret results (Step 2) → present summary (Step 3). The script handles repo resets, building, feed configuration, `global.json` updates, and test repo builds end-to-end.\n\n## When to Use This Skill\n\n- Testing local Arcade SDK changes against a consuming repository\n- Validating that a repo builds with a modified Arcade version before submitting a PR\n- Reproducing build issues with specific Arcade changes\n- Questions like \"does my arcade change break runtime?\", \"test arcade locally\", \"validate arcade SDK\"\n\n**Not for**: CI\u002FCD pipeline analysis, Helix test failures, publishing Arcade packages to official feeds, or dependency flow troubleshooting.\n\n## Prerequisites\n\nBefore running this skill, ensure the following are available:\n\n- **PowerShell 7+** (`pwsh`): the script is implemented in PowerShell Core for cross-platform portability\n- **Git**: repos must be cloned locally\n- **Network access**: Azure DevOps package feeds (dev.azure.com\u002Fdnceng) must be reachable for NuGet restore\n- **Local clones**: both the `dotnet\u002Farcade` repo and a test repo (e.g., `arcade-validation`, `runtime`, `sdk`) must be cloned locally.\n\n### Optional: Binlog MCP Server\n\nFor investigating build failures, the `binlog` MCP server can parse `.binlog` files produced during builds.\n\n## Quick Start\n\n```powershell\n# Full build-and-test\npwsh .\u002Fscripts\u002FTest-Arcade.ps1 -Arcade \u002Fpath\u002Fto\u002Farcade -TestRepo \u002Fpath\u002Fto\u002Ftest-repo\n\n# Clean the local feed before running (e.g., after switching arcade branches)\npwsh .\u002Fscripts\u002FTest-Arcade.ps1 -Arcade \u002Fpath\u002Fto\u002Farcade -TestRepo \u002Fpath\u002Fto\u002Ftest-repo -CleanFeed\n\n# Build and run Signing Validation (SignCheck) on test repo output\npwsh .\u002Fscripts\u002FTest-Arcade.ps1 -Arcade \u002Fpath\u002Fto\u002Farcade -TestRepo \u002Fpath\u002Fto\u002Ftest-repo -SignCheck\n\n# Run SignCheck against a custom directory\npwsh .\u002Fscripts\u002FTest-Arcade.ps1 -Arcade \u002Fpath\u002Fto\u002Farcade -TestRepo \u002Fpath\u002Fto\u002Ftest-repo -SignCheck -SignCheckDir \u002Fpath\u002Fto\u002Ffiles\n```\n\n## Step 0: Verify Repos Are Cloned\n\nBoth the Arcade repo and the test repo must be cloned locally. The test repo can be any .NET repo that consumes the Arcade SDK (e.g., `arcade-validation`, `runtime`, `sdk`, `aspnetcore`).\n\n- The `-Arcade` argument points to the local `dotnet\u002Farcade` checkout with the changes to test\n- The `-TestRepo` argument points to any Arcade-consuming repo to validate against\n\nThe local NuGet feed is stored at `arcade-local-feed\u002F` inside the system temp directory (e.g., `$env:TEMP\u002Farcade-local-feed` on Windows, `\u002Ftmp\u002Farcade-local-feed` on Linux\u002FmacOS). It is **not cleaned up** between runs — use `-CleanFeed` to explicitly clear it when needed (e.g., after switching branches or testing a different Arcade change). Because this is a shared path, stale packages from previous runs may persist; always use `-CleanFeed` when switching Arcade branches.\n\n## Step 1: Run the Script\n\nRun `scripts\u002FTest-Arcade.ps1` with the required `-Arcade` and `-TestRepo` arguments. The script performs these phases in order:\n\n1. **Validate** — confirms the arcade and test repo directories exist\n2. **Reset repos** — deletes `.packages` and `artifacts` directories in both repos to ensure a clean state\n3. **Create feed** — creates the feed directory if it doesn't exist (only cleans it when `-CleanFeed` is passed)\n4. **Build Arcade** — runs the repo's build script (`build.sh` on Linux\u002FmacOS, `Build.cmd` on Windows) with `--configuration Release --pack` and an auto-generated future-dated `OfficialBuildId`\n5. **Configure local NuGet feed** — uses `dotnet nuget push` to populate a flat local feed from `artifacts\u002Fpackages\u002FRelease\u002FNonShipping`, clears all NuGet caches, and adds the feed as a named source (`ArcadeLocalFeed`) to the test repo's `NuGet.config` using `--configfile`\n6. **Update global.json** — finds the built `Microsoft.DotNet.Arcade.Sdk` package, extracts its version, and updates existing `Microsoft.DotNet.Arcade.Sdk` and `Microsoft.DotNet.Helix.Sdk` entries in the test repo's `global.json` (only keys already present are modified)\n7. **Build test repo** — runs the repo's build script\n8. **Signing Validation** *(optional, `-SignCheck`)* — runs the SDK task `SigningValidation` against the test repo's output packages. Defaults to `artifacts\u002Fpackages\u002F\u003Cconfig>\u002FNonShipping`; override with `-SignCheckDir`\n\n### Script Arguments\n\n| Argument | Required | Description |\n|----------|----------|-------------|\n| `-Arcade \u003Cpath>` | ✅ | Path to the local `dotnet\u002Farcade` checkout |\n| `-TestRepo \u003Cpath>` | ✅ | Path to the Arcade-consuming repo to test against |\n| `-CleanFeed` | ❌ | Delete and recreate the local feed directory before running. Use when switching branches or testing a different Arcade change |\n| `-SignCheck` | ❌ | Run Signing Validation (SignCheck) after building the test repo. Checks files in `artifacts\u002Fpackages\u002F\u003Cconfig>\u002FNonShipping` by default |\n| `-SignCheckDir \u003Cpath>` | ❌ | Directory to validate with SignCheck. Implies `-SignCheck`. Use to check a custom directory instead of the default |\n| `-SkipArcadeBuild` | ❌ | Skip the Arcade build step and reuse existing artifacts. Only resets the test repo |\n\n## Step 2: Interpret Results\n\nThe script streams build output to stdout\u002Fstderr in real time. It exits on the first failure (`$ErrorActionPreference = 'Stop'`). Check the exit code and output to determine success or failure.\n\n### Common Failure Scenarios\n\n| Failure | Likely Cause | Remediation |\n|---------|-------------|-------------|\n| Arcade build fails | Code error in Arcade changes | Check `artifacts\u002Flog\u002F` for `.binlog` files; fix the code |\n| `Arcade package not found` | Build didn't produce expected packages | Verify build completed with `--pack`; check `artifacts\u002Fpackages\u002FRelease\u002FNonShipping\u002F` |\n| `Could not extract Arcade version` | Package filename doesn't match expected pattern | Check `.nupkg` filenames in NonShipping directory |\n| Test repo restore fails | NuGet feed not configured correctly or cache is stale | Run `dotnet nuget locals all --clear`; verify feed path contains `.nupkg` files |\n| Test repo build fails | Arcade changes broke compatibility | Compare with a build against official Arcade; check for breaking API changes |\n| SignCheck: no packages directory | Test repo didn't produce packages | Build with `--pack`, or specify `-SignCheckDir` pointing to existing files |\n| SignCheck: signing validation fails | Unsigned or incorrectly signed files found | Review SignCheck log in `artifacts\u002Flog\u002F`; update `eng\u002FSigning.props` or exclusions as needed |\n| Network errors during restore | Azure DevOps feeds unreachable | Check network\u002FVPN; verify feed URLs in NuGet.config |\n\n## Step 3: Present Results\n\nLead with a 1-2 sentence verdict, then a summary.\n\nExample output format:\n\n```\n## Arcade Test Results\n\n**Verdict**: All phases passed. The test repo builds successfully against local Arcade changes.\n\n| # | Phase | Result |\n|---|-------|--------|\n| 1 | Reset repos | ✅ |\n| 2 | Build Arcade | ✅ |\n| 3 | Configure feed | ✅ |\n| 4 | Update global.json | ✅ |\n| 5 | Build test repo | ✅ |\n| 6 | Signing Validation | ✅ *(if -SignCheck)* |\n\nArcade SDK version: {VersionPrefix}-beta.\u003COfficialBuildId>\nPackages published to: \u003Ctemp-dir>\u002Farcade-local-feed\u002F\n```\n\nWhen `-SignCheck` is used, also include the SignCheck results. Read the per-file outcomes from `artifacts\u002Flog\u002FDebug\u002Fsigncheck.xml` and the summary from `signcheck.log`:\n\n```\n**SignCheck results** (from `signcheck.xml`):\n\n| File | Outcome | Details |\n|------|---------|---------|\n| `dotnet-sdk-source-10.0.104.tar.gz` | Signed | Timestamp: 02\u002F23\u002F26 17:13:46 (RSA) |\n| `release.json` | Skipped | — |\n| `dotnet-sdk-source-10.0.104.tar.gz.sig` | Skipped | — |\n\nSummary: 3 files total — 1 signed, 0 unsigned, 2 skipped, 1 not unpacked. No signing issues found.\n```\n\nPossible `Outcome` values in the XML: `Signed`, `Unsigned` (error), `Skipped`, `Excluded`, `SkippedAndExcluded`. Any `Unsigned` file is an error — include it prominently in the results.\n\nIf any phase fails, include the error details and remediation guidance from the table above.\n\n## Anti-Patterns\n\n> ❌ **Don't reuse a stale feed directory.** The script only resets the feed when run with `-CleanFeed`. If you're re-running without that flag or running steps manually, always clear the feed and NuGet caches before re-testing with new Arcade changes.\n\n> ❌ **Don't assume build failures are Arcade's fault.** The test repo may have its own issues. Compare with a build against the official Arcade SDK to isolate the cause.\n\n> ❌ **Don't manually modify NuGet.config or global.json** when the script handles it. Manual edits risk inconsistency and are harder to reproduce.\n\n> ❌ **Don't test against a dirty repo.** Ensure both the Arcade and test repos have committed or stashed changes before running. Uncommitted changes in build infrastructure files can cause misleading results.\n\n> ❌ **Don't install a .NET SDK manually.** The build process installs its own SDK via `eng\u002Fcommon\u002Fdotnet.sh`. Manual SDK installations can cause version conflicts.\n\n## References\n\n- **Signing Validation (SignCheck)**: [references\u002Fsigning-validation.md](references\u002Fsigning-validation.md)\n- **Building Arcade**: [references\u002Fbuilding-arcade.md](references\u002Fbuilding-arcade.md)\n- **NuGet feed setup**: [references\u002Fnuget-feed-setup.md](references\u002Fnuget-feed-setup.md)\n- **global.json version pinning**: [references\u002Fglobal-json-pinning.md](references\u002Fglobal-json-pinning.md)\n- **Build artifacts**: [references\u002Fbuild-artifacts.md](references\u002Fbuild-artifacts.md)\n- **Troubleshooting**: [references\u002Ftroubleshooting.md](references\u002Ftroubleshooting.md)\n",{"data":34,"body":35},{"name":4,"description":6},{"type":36,"children":37},"root",[38,47,53,73,80,105,115,121,126,208,215,236,242,353,359,390,425,476,482,509,750,756,936,942,955,961,1219,1225,1230,1235,1245,1273,1282,1339,1344,1350,1373,1387,1401,1415,1437,1443,1532],{"type":39,"tag":40,"props":41,"children":43},"element","h1",{"id":42},"build-and-test-arcade-sdk-locally",[44],{"type":45,"value":46},"text","Build and Test Arcade SDK Locally",{"type":39,"tag":48,"props":49,"children":50},"p",{},[51],{"type":45,"value":52},"Build the Arcade SDK from a local checkout, publish the artifacts to a local NuGet feed, and validate by building a test repository against those packages.",{"type":39,"tag":48,"props":54,"children":55},{},[56,62,64,71],{"type":39,"tag":57,"props":58,"children":59},"strong",{},[60],{"type":45,"value":61},"Workflow",{"type":45,"value":63},": Gather paths (Step 0) → run the script (Step 1) → interpret results (Step 2) → present summary (Step 3). 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No signing issues found.\n",[1278],{"type":39,"tag":65,"props":1279,"children":1280},{"__ignoreMap":248},[1281],{"type":45,"value":1276},{"type":39,"tag":48,"props":1283,"children":1284},{},[1285,1287,1293,1295,1301,1302,1308,1310,1316,1317,1323,1324,1330,1332,1337],{"type":45,"value":1286},"Possible ",{"type":39,"tag":65,"props":1288,"children":1290},{"className":1289},[],[1291],{"type":45,"value":1292},"Outcome",{"type":45,"value":1294}," values in the XML: ",{"type":39,"tag":65,"props":1296,"children":1298},{"className":1297},[],[1299],{"type":45,"value":1300},"Signed",{"type":45,"value":192},{"type":39,"tag":65,"props":1303,"children":1305},{"className":1304},[],[1306],{"type":45,"value":1307},"Unsigned",{"type":45,"value":1309}," (error), ",{"type":39,"tag":65,"props":1311,"children":1313},{"className":1312},[],[1314],{"type":45,"value":1315},"Skipped",{"type":45,"value":192},{"type":39,"tag":65,"props":1318,"children":1320},{"className":1319},[],[1321],{"type":45,"value":1322},"Excluded",{"type":45,"value":192},{"type":39,"tag":65,"props":1325,"children":1327},{"className":1326},[],[1328],{"type":45,"value":1329},"SkippedAndExcluded",{"type":45,"value":1331},". Any ",{"type":39,"tag":65,"props":1333,"children":1335},{"className":1334},[],[1336],{"type":45,"value":1307},{"type":45,"value":1338}," file is an error — include it prominently in the results.",{"type":39,"tag":48,"props":1340,"children":1341},{},[1342],{"type":45,"value":1343},"If any phase fails, include the error details and remediation guidance from the table above.",{"type":39,"tag":74,"props":1345,"children":1347},{"id":1346},"anti-patterns",[1348],{"type":45,"value":1349},"Anti-Patterns",{"type":39,"tag":1351,"props":1352,"children":1353},"blockquote",{},[1354],{"type":39,"tag":48,"props":1355,"children":1356},{},[1357,1359,1364,1366,1371],{"type":45,"value":1358},"❌ ",{"type":39,"tag":57,"props":1360,"children":1361},{},[1362],{"type":45,"value":1363},"Don't reuse a stale feed directory.",{"type":45,"value":1365}," The script only resets the feed when run with ",{"type":39,"tag":65,"props":1367,"children":1369},{"className":1368},[],[1370],{"type":45,"value":466},{"type":45,"value":1372},". If you're re-running without that flag or running steps manually, always clear the feed and NuGet caches before re-testing with new Arcade changes.",{"type":39,"tag":1351,"props":1374,"children":1375},{},[1376],{"type":39,"tag":48,"props":1377,"children":1378},{},[1379,1380,1385],{"type":45,"value":1358},{"type":39,"tag":57,"props":1381,"children":1382},{},[1383],{"type":45,"value":1384},"Don't assume build failures are Arcade's fault.",{"type":45,"value":1386}," The test repo may have its own issues. Compare with a build against the official Arcade SDK to isolate the cause.",{"type":39,"tag":1351,"props":1388,"children":1389},{},[1390],{"type":39,"tag":48,"props":1391,"children":1392},{},[1393,1394,1399],{"type":45,"value":1358},{"type":39,"tag":57,"props":1395,"children":1396},{},[1397],{"type":45,"value":1398},"Don't manually modify NuGet.config or global.json",{"type":45,"value":1400}," when the script handles it. Manual edits risk inconsistency and are harder to reproduce.",{"type":39,"tag":1351,"props":1402,"children":1403},{},[1404],{"type":39,"tag":48,"props":1405,"children":1406},{},[1407,1408,1413],{"type":45,"value":1358},{"type":39,"tag":57,"props":1409,"children":1410},{},[1411],{"type":45,"value":1412},"Don't test against a dirty repo.",{"type":45,"value":1414}," Ensure both the Arcade and test repos have committed or stashed changes before running. Uncommitted changes in build infrastructure files can cause misleading results.",{"type":39,"tag":1351,"props":1416,"children":1417},{},[1418],{"type":39,"tag":48,"props":1419,"children":1420},{},[1421,1422,1427,1429,1435],{"type":45,"value":1358},{"type":39,"tag":57,"props":1423,"children":1424},{},[1425],{"type":45,"value":1426},"Don't install a .NET SDK manually.",{"type":45,"value":1428}," The build process installs its own SDK via ",{"type":39,"tag":65,"props":1430,"children":1432},{"className":1431},[],[1433],{"type":45,"value":1434},"eng\u002Fcommon\u002Fdotnet.sh",{"type":45,"value":1436},". Manual SDK installations can cause version conflicts.",{"type":39,"tag":74,"props":1438,"children":1440},{"id":1439},"references",[1441],{"type":45,"value":1442},"References",{"type":39,"tag":81,"props":1444,"children":1445},{},[1446,1462,1476,1490,1504,1518],{"type":39,"tag":85,"props":1447,"children":1448},{},[1449,1454,1456],{"type":39,"tag":57,"props":1450,"children":1451},{},[1452],{"type":45,"value":1453},"Signing Validation (SignCheck)",{"type":45,"value":1455},": ",{"type":39,"tag":1457,"props":1458,"children":1460},"a",{"href":1459},"references\u002Fsigning-validation.md",[1461],{"type":45,"value":1459},{"type":39,"tag":85,"props":1463,"children":1464},{},[1465,1470,1471],{"type":39,"tag":57,"props":1466,"children":1467},{},[1468],{"type":45,"value":1469},"Building Arcade",{"type":45,"value":1455},{"type":39,"tag":1457,"props":1472,"children":1474},{"href":1473},"references\u002Fbuilding-arcade.md",[1475],{"type":45,"value":1473},{"type":39,"tag":85,"props":1477,"children":1478},{},[1479,1484,1485],{"type":39,"tag":57,"props":1480,"children":1481},{},[1482],{"type":45,"value":1483},"NuGet feed setup",{"type":45,"value":1455},{"type":39,"tag":1457,"props":1486,"children":1488},{"href":1487},"references\u002Fnuget-feed-setup.md",[1489],{"type":45,"value":1487},{"type":39,"tag":85,"props":1491,"children":1492},{},[1493,1498,1499],{"type":39,"tag":57,"props":1494,"children":1495},{},[1496],{"type":45,"value":1497},"global.json version pinning",{"type":45,"value":1455},{"type":39,"tag":1457,"props":1500,"children":1502},{"href":1501},"references\u002Fglobal-json-pinning.md",[1503],{"type":45,"value":1501},{"type":39,"tag":85,"props":1505,"children":1506},{},[1507,1512,1513],{"type":39,"tag":57,"props":1508,"children":1509},{},[1510],{"type":45,"value":1511},"Build artifacts",{"type":45,"value":1455},{"type":39,"tag":1457,"props":1514,"children":1516},{"href":1515},"references\u002Fbuild-artifacts.md",[1517],{"type":45,"value":1515},{"type":39,"tag":85,"props":1519,"children":1520},{},[1521,1526,1527],{"type":39,"tag":57,"props":1522,"children":1523},{},[1524],{"type":45,"value":1525},"Troubleshooting",{"type":45,"value":1455},{"type":39,"tag":1457,"props":1528,"children":1530},{"href":1529},"references\u002Ftroubleshooting.md",[1531],{"type":45,"value":1529},{"type":39,"tag":1533,"props":1534,"children":1535},"style",{},[1536],{"type":45,"value":1537},"html .light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html.light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html .default .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html.dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}",{"items":1539,"total":22},[1540,1557,1570,1587,1598,1615,1625],{"slug":1541,"name":1541,"fn":1542,"description":1543,"org":1544,"tags":1545,"stars":22,"repoUrl":23,"updatedAt":1556},"binskim-analysis","investigate BinSkim SDL security findings","Investigate BinSkim SDL findings from official pipelines — understand Guardian filtering, compare raw vs merged SARIF, decode portal results, and determine fix ownership. Use when asked about SDL scan results, portal findings, Guardian filtering, rule meanings, or discrepancies between local and official results. Also use when asked \"why does the portal show X\", \"what's filtered\", \"explain Guardian\", \"investigate SDL findings\", \"portal BA2008\", \"binskim failures in pipeline\", or \"what rules are required\". DO NOT USE FOR: running BinSkim locally (use binskim-scan), source code analysis (use CodeQL), or credential scanning (use CredScan).\n",{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[1546,1547,1550,1553],{"name":13,"slug":14,"type":15},{"name":1548,"slug":1549,"type":15},"Audit","audit",{"name":1551,"slug":1552,"type":15},"Code Analysis","code-analysis",{"name":1554,"slug":1555,"type":15},"Security","security","2026-07-12T08:23:11.212231",{"slug":1558,"name":1558,"fn":1559,"description":1560,"org":1561,"tags":1562,"stars":22,"repoUrl":23,"updatedAt":1569},"binskim-scan","run BinSkim binary security analysis","Run BinSkim binary security analysis locally against a dotnet repository. Use when asked to scan binaries, check BinSkim compliance, verify a fix for a rule violation, or run a local SDL scan. Also use when asked \"run binskim\", \"binary security scan\", \"scan binaries\", \"check binskim\", \"verify my fix\", \"repro BA2008 locally\", or \"verify BA2008 fix\". DO NOT USE FOR: investigating official pipeline results or portal findings (use binskim-analysis), source code analysis (use CodeQL), credential scanning (use CredScan), or general build\u002Ftest failures (use ci-analysis).\n",{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[1563,1564,1567,1568],{"name":13,"slug":14,"type":15},{"name":1565,"slug":1566,"type":15},"CLI","cli",{"name":1551,"slug":1552,"type":15},{"name":1554,"slug":1555,"type":15},"2026-07-12T08:23:09.911458",{"slug":1571,"name":1571,"fn":1572,"description":1573,"org":1574,"tags":1575,"stars":22,"repoUrl":23,"updatedAt":1586},"ci-analysis","analyze .NET CI build and test status","Analyze CI build and test status from Azure DevOps and Helix for dotnet repository PRs. Use when checking CI status, investigating failures, determining if a PR is ready to merge, or given URLs containing dev.azure.com or helix.dot.net. Also use when asked \"why is CI red\", \"test failures\", \"retry CI\", \"rerun tests\", \"is CI green\", \"build failed\", \"checks failing\", or \"flaky tests\". DO NOT USE FOR: investigating stale codeflow PRs or dependency update health, tracing whether a commit has flowed from one repo to another, reviewing code changes for correctness or style.\n",{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[1576,1577,1580,1583],{"name":13,"slug":14,"type":15},{"name":1578,"slug":1579,"type":15},"Azure","azure",{"name":1581,"slug":1582,"type":15},"CI\u002FCD","ci-cd",{"name":1584,"slug":1585,"type":15},"Debugging","debugging","2026-07-12T08:21:49.360882",{"slug":1588,"name":1588,"fn":1589,"description":1590,"org":1591,"tags":1592,"stars":22,"repoUrl":23,"updatedAt":1597},"ci-crash-dump","debug CI crash dumps","Download and debug crash dumps from CI test failures in dotnet repositories. Use when a CI test crashed (not just failed), when the user wants to debug a crash dump from a PR or build, or when asked \"debug dump\", \"download dump\", \"crash dump from CI\", \"test crashed\", \"analyze crash in PR\", or \"why did the test crash\". DO NOT USE FOR: test failures that are not crashes (use ci-analysis), build failures, performance analysis, or analyzing dumps you already have locally.\n",{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[1593,1594,1595,1596],{"name":13,"slug":14,"type":15},{"name":1581,"slug":1582,"type":15},{"name":1584,"slug":1585,"type":15},{"name":20,"slug":21,"type":15},"2026-07-12T08:21:56.945844",{"slug":1599,"name":1599,"fn":1600,"description":1601,"org":1602,"tags":1603,"stars":22,"repoUrl":23,"updatedAt":1614},"flow-analysis","analyze VMR codeflow health","Analyze VMR codeflow health using maestro MCP tools and GitHub MCP tools. USE FOR: investigating stale codeflow PRs, checking if fixes have flowed through the VMR pipeline, debugging dependency update issues, checking overall flow status for a repo, diagnosing why backflow PRs are missing or blocked, subscription health, build freshness, URLs containing dotnet-maestro or \"Source code updates from dotnet\u002Fdotnet\". DO NOT USE FOR: CI build failures (use ci-analysis skill), code review (use code-review skill), general PR investigation without codeflow context, tracing whether a specific commit\u002FPR has reached another repo (use flow-tracing skill). INVOKES: maestro and GitHub MCP tools, flow-health.cs script.\n",{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[1604,1605,1608,1611],{"name":1581,"slug":1582,"type":15},{"name":1606,"slug":1607,"type":15},"Engineering","engineering",{"name":1609,"slug":1610,"type":15},"GitHub","github",{"name":1612,"slug":1613,"type":15},"MCP","mcp","2026-07-12T08:21:53.151866",{"slug":1616,"name":1616,"fn":1617,"description":1618,"org":1619,"tags":1620,"stars":22,"repoUrl":23,"updatedAt":1624},"flow-tracing","trace .NET dependency flow in VMR","Trace dependency flow across .NET repos through the VMR pipeline. USE FOR: checking if a PR\u002Fcommit from repo A has reached repo B, finding what runtime SHA is in an SDK build, tracing dependency versions through the VMR, checking if a commit is included in an SDK build, decoding SDK version strings, \"has my fix reached runtime\", \"did roslyn#80873 flow to runtime\", \"what SHA is in SDK version X\", cross-repo dependency tracing, mapping SDK versions to VMR commits. DO NOT USE FOR: codeflow PR health or staleness (use flow-analysis skill), CI build failures (use ci-analysis skill). INVOKES: maestro and GitHub MCP tools, Get-SdkVersionTrace.ps1 script.\n",{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[1621],{"name":1622,"slug":1623,"type":15},"Data Pipeline","data-pipeline","2026-07-12T08:21:55.689056",{"slug":1626,"name":1626,"fn":1627,"description":1628,"org":1629,"tags":1630,"stars":22,"repoUrl":23,"updatedAt":1634},"helix-investigation","investigate Helix test failures","Deep-dive investigation of Helix test failures starting from AzDO build legs. USE FOR: investigating recurring Helix test failures, downloading and analyzing Helix console logs, comparing passing vs failing runs, identifying machine-specific issues, XHarness timeout analysis, Android emulator DEVICE_NOT_FOUND errors, bulk failure aggregation across legs, \"why does this test fail on some machines\", \"top 5 failing tests in the last 2 days\", \"download helix logs for build X\", \"compare passing and failing helix runs\", \"what are the most common failures\". DO NOT USE FOR: high-level CI status checks (use ci-analysis), codeflow PRs (use flow-analysis). INVOKES: Helix and AzDO MCP tools, curl, gh CLI.\n",{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[1631,1632,1633],{"name":1584,"slug":1585,"type":15},{"name":1606,"slug":1607,"type":15},{"name":20,"slug":21,"type":15},"2026-07-12T08:21:46.445586",{"items":1636,"total":1795},[1637,1651,1664,1679,1697,1709,1729,1739,1751,1761,1774,1785],{"slug":1638,"name":1638,"fn":1639,"description":1640,"org":1641,"tags":1642,"stars":1648,"repoUrl":1649,"updatedAt":1650},"multithreaded-task-migration","migrate MSBuild tasks to multithreaded mode","Guide for migrating MSBuild tasks to multithreaded mode support, including compatibility red-team review. Use this when converting tasks to thread-safe versions, implementing IMultiThreadableTask, adding TaskEnvironment support, or auditing migrations for behavioral compatibility.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[1643,1644,1645],{"name":13,"slug":14,"type":15},{"name":1606,"slug":1607,"type":15},{"name":1646,"slug":1647,"type":15},"Performance","performance",5535,"https:\u002F\u002Fgithub.com\u002Fdotnet\u002Fmsbuild","2026-07-22T05:37:33.965588",{"slug":1652,"name":1652,"fn":1653,"description":1654,"org":1655,"tags":1656,"stars":1661,"repoUrl":1662,"updatedAt":1663},"analyzing-dotnet-performance","analyze .NET code for performance anti-patterns","Scans .NET code for ~50 performance anti-patterns across async, memory, strings, collections, LINQ, regex, serialization, and I\u002FO with tiered severity classification. Use when analyzing .NET code for optimization opportunities, reviewing hot paths, or auditing allocation-heavy patterns.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[1657,1658,1659,1660],{"name":13,"slug":14,"type":15},{"name":1551,"slug":1552,"type":15},{"name":1584,"slug":1585,"type":15},{"name":1646,"slug":1647,"type":15},4576,"https:\u002F\u002Fgithub.com\u002Fdotnet\u002Fskills","2026-07-12T08:23:25.400375",{"slug":1665,"name":1665,"fn":1666,"description":1667,"org":1668,"tags":1669,"stars":1661,"repoUrl":1662,"updatedAt":1678},"android-tombstone-symbolication","symbolicate .NET runtime frames in Android tombstones","Symbolicate the .NET runtime frames in an Android tombstone file. Extracts BuildIds and PC offsets from the native backtrace, downloads debug symbols from the Microsoft symbol server, and runs llvm-symbolizer to produce function names with source file and line numbers. USE FOR triaging a .NET MAUI or Mono Android app crash from a tombstone, resolving native backtrace frames in libmonosgen-2.0.so or libcoreclr.so to .NET runtime source code, or investigating SIGABRT, SIGSEGV, or other native signals originating from the .NET runtime on Android. DO NOT USE FOR pure Java\u002FKotlin crashes, managed .NET exceptions that are already captured in logcat, or iOS crash logs. INVOKES Symbolicate-Tombstone.ps1 script, llvm-symbolizer, Microsoft symbol server.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[1670,1671,1674,1675],{"name":13,"slug":14,"type":15},{"name":1672,"slug":1673,"type":15},"Android","android",{"name":1584,"slug":1585,"type":15},{"name":1676,"slug":1677,"type":15},"Microsoft","microsoft","2026-07-12T08:23:21.595572",{"slug":1680,"name":1680,"fn":1681,"description":1682,"org":1683,"tags":1684,"stars":1661,"repoUrl":1662,"updatedAt":1696},"apple-crash-symbolication","symbolicate .NET runtime frames in crash logs","Symbolicate .NET runtime frames in Apple platform .ips crash logs (iOS, tvOS, Mac Catalyst, macOS). Extracts UUIDs and addresses from the native backtrace, locates dSYM debug symbols, and runs atos to produce function names with source file and line numbers. Automatically downloads .dwarf symbols from the Microsoft symbol server using Mach-O UUIDs. USE FOR triaging a .NET MAUI or Mono app crash from an .ips file on any Apple platform, resolving native backtrace frames in libcoreclr or libmonosgen-2.0 to .NET runtime source code, retrieving .ips crash logs from a connected iOS device or iPhone, or investigating EXC_CRASH, EXC_BAD_ACCESS, SIGABRT, or SIGSEGV originating from the .NET runtime. DO NOT USE FOR pure Swift\u002FObjective-C crashes with no .NET components, or Android tombstone files. INVOKES Symbolicate-Crash.ps1 script, atos, dwarfdump, idevicecrashreport.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[1685,1686,1687,1690,1693],{"name":13,"slug":14,"type":15},{"name":1584,"slug":1585,"type":15},{"name":1688,"slug":1689,"type":15},"iOS","ios",{"name":1691,"slug":1692,"type":15},"macOS","macos",{"name":1694,"slug":1695,"type":15},"Observability","observability","2026-07-12T08:23:20.369986",{"slug":1698,"name":1698,"fn":1699,"description":1700,"org":1701,"tags":1702,"stars":1661,"repoUrl":1662,"updatedAt":1708},"assertion-quality","evaluate assertion quality in test suites","Analyzes the variety and depth of assertions across test suites in any language. Use when the user asks to evaluate assertion quality, find shallow tests, identify assertion-free tests (no assertions or only trivial ones like Assert.IsNotNull \u002F toBeTruthy()), flag self-referential or tautological assertions, measure assertion diversity, or audit whether tests verify different facets of behavior. Polyglot: .NET, Python, TS\u002FJS, Java, Go, Ruby, Rust, Swift, Kotlin, PowerShell, C++. DO NOT USE FOR: writing new tests (use code-testing-agent \u002F writing-mstest-tests), mutation reasoning about whether tests would catch a bug (use test-gap-analysis), or a general severity-ranked anti-pattern audit (use test-anti-patterns), fixing or rewriting assertions, or writing, fixing, or modernizing MSTest tests, assertions, or attributes (use writing-mstest-tests).",{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[1703,1704,1707],{"name":1551,"slug":1552,"type":15},{"name":1705,"slug":1706,"type":15},"QA","qa",{"name":20,"slug":21,"type":15},"2026-07-12T08:23:51.277743",{"slug":1710,"name":1710,"fn":1711,"description":1712,"org":1713,"tags":1714,"stars":1661,"repoUrl":1662,"updatedAt":1728},"author-component","create and review Blazor components","Create or review Blazor components (.razor files) with correct architecture. USE FOR: writing new Blazor components that do NOT involve JavaScript interop, implementing parameters and EventCallback, RenderFragment slots, component lifecycle (OnInitializedAsync, OnParametersSet), async patterns, IAsyncDisposable, CancellationToken, CSS isolation, code-behind. DO NOT USE FOR: creating new projects (use create-blazor-project), JavaScript interop or calling browser APIs from Blazor (use use-js-interop), forms and validation (use collect-user-input), prerendering issues (use support-prerendering), HTTP data fetching patterns (use fetch-and-send-data), coordinating state between unrelated components (use coordinate-components).\n",{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[1715,1716,1719,1722,1725],{"name":13,"slug":14,"type":15},{"name":1717,"slug":1718,"type":15},"Blazor","blazor",{"name":1720,"slug":1721,"type":15},"C#","csharp",{"name":1723,"slug":1724,"type":15},"UI Components","ui-components",{"name":1726,"slug":1727,"type":15},"Web Development","web-development","2026-07-15T06:03:29.216359",{"slug":1730,"name":1730,"fn":1731,"description":1732,"org":1733,"tags":1734,"stars":1661,"repoUrl":1662,"updatedAt":1738},"binlog-failure-analysis","analyze MSBuild binary logs","Analyze MSBuild binary logs to diagnose build failures. USE FOR: build errors that are unclear from console output, diagnosing cascading failures across multi-project builds, tracing MSBuild target execution order, and generally any MSBuild build issues. Requires an existing .binlog file. DO NOT USE FOR: generating binlogs (use binlog-generation), non-MSBuild build systems.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[1735,1736,1737],{"name":1551,"slug":1552,"type":15},{"name":1584,"slug":1585,"type":15},{"name":1676,"slug":1677,"type":15},"2026-07-12T08:21:34.637923",{"slug":1740,"name":1740,"fn":1741,"description":1742,"org":1743,"tags":1744,"stars":1661,"repoUrl":1662,"updatedAt":1750},"binlog-generation","generate MSBuild binary logs for diagnostics","Generate MSBuild binary logs (binlogs) for build diagnostics and analysis. USE FOR: adding \u002Fbl:{} to any dotnet build, test, pack, publish, or restore command to capture a full build execution trace, prerequisite for binlog-failure-analysis and build-perf-diagnostics skills, enabling post-build investigation of errors or performance. Requires MSBuild 17.8+ \u002F .NET 8 SDK+ for {} placeholder; PowerShell needs -bl:{{}}. DO NOT USE FOR: non-MSBuild build systems (npm, Maven, CMake), analyzing an existing binlog (use binlog-failure-analysis instead).",{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[1745,1748,1749],{"name":1746,"slug":1747,"type":15},"Build","build",{"name":1584,"slug":1585,"type":15},{"name":1606,"slug":1607,"type":15},"2026-07-19T05:38:19.340791",{"slug":1752,"name":1752,"fn":1753,"description":1754,"org":1755,"tags":1756,"stars":1661,"repoUrl":1662,"updatedAt":1760},"build-parallelism","optimize MSBuild build parallelism","Diagnose and fix under-parallelized MSBuild builds. USE WHEN a multi-project solution build is slower than expected, doesn't speed up when you add cores, pegs a single core while others idle, or you want to know why `-m` isn't helping. Note: `\u002Fmaxcpucount` default is 1 (sequential) — always pass `-m` for parallel builds. Covers finding the critical path (longest serial ProjectReference chain), graph build (`\u002Fgraph`), BuildInParallel, and solution filters (`.slnf`). DO NOT USE FOR: single-project builds, incremental issues (use incremental-build), compilation slowness inside one project (use build-perf-diagnostics), non-MSBuild build systems.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[1757,1758,1759],{"name":13,"slug":14,"type":15},{"name":1606,"slug":1607,"type":15},{"name":1646,"slug":1647,"type":15},"2026-07-19T05:38:18.364937",{"slug":1762,"name":1762,"fn":1763,"description":1764,"org":1765,"tags":1766,"stars":1661,"repoUrl":1662,"updatedAt":1773},"build-perf-baseline","establish and optimize build performance baselines","Establish build performance baselines and apply systematic optimization techniques. USE FOR: diagnosing slow builds, establishing before\u002Fafter measurements (cold, warm, no-op scenarios), applying optimization strategies like MSBuild Server, static graph builds, artifacts output, and dependency graph trimming. Start here before diving into build-perf-diagnostics, incremental-build, or build-parallelism. DO NOT USE FOR: non-MSBuild build systems, detailed bottleneck analysis (use build-perf-diagnostics after baselining).",{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[1767,1768,1771,1772],{"name":1606,"slug":1607,"type":15},{"name":1769,"slug":1770,"type":15},"Monitoring","monitoring",{"name":1646,"slug":1647,"type":15},{"name":20,"slug":21,"type":15},"2026-07-12T08:21:35.865649",{"slug":1775,"name":1775,"fn":1776,"description":1777,"org":1778,"tags":1779,"stars":1661,"repoUrl":1662,"updatedAt":1784},"build-perf-diagnostics","diagnose MSBuild build performance bottlenecks","Diagnose MSBuild build performance bottlenecks using binary log analysis. USE FOR: identifying why builds are slow by analyzing binlog performance summaries, detecting ResolveAssemblyReference (RAR) taking >5s, Roslyn analyzers consuming >30% of Csc time, single targets dominating >50% of build time, node utilization below 80%, excessive Copy tasks, NuGet restore running every build. Covers timeline analysis, Target\u002FTask Performance Summary interpretation, and 7 common bottleneck categories. Use after build-perf-baseline has established measurements. DO NOT USE FOR: establishing initial baselines (use build-perf-baseline first), fixing incremental build issues (use incremental-build), parallelism tuning (use build-parallelism), non-MSBuild build systems.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[1780,1781,1782,1783],{"name":13,"slug":14,"type":15},{"name":1584,"slug":1585,"type":15},{"name":1606,"slug":1607,"type":15},{"name":1646,"slug":1647,"type":15},"2026-07-12T08:21:40.961722",{"slug":1786,"name":1786,"fn":1787,"description":1788,"org":1789,"tags":1790,"stars":1661,"repoUrl":1662,"updatedAt":1794},"check-bin-obj-clash","detect MSBuild output path conflicts","Detects MSBuild projects with conflicting OutputPath or IntermediateOutputPath. USE FOR: builds failing with 'Cannot create a file when that file already exists', 'The process cannot access the file because it is being used by another process', intermittent build failures that succeed on retry, or missing\u002Foverwritten outputs in multi-project or multi-targeting builds where bin\u002Fobj (or project.assets.json) collide. Common causes: shared OutputPath, missing AppendTargetFrameworkToOutputPath, extra global properties (e.g. PublishReadyToRun), or SetTargetFramework on a ProjectReference to a single-targeting project. DO NOT USE FOR: file access errors unrelated to MSBuild (OS-level locking), single-project single-TFM builds, non-MSBuild build systems.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[1791,1792,1793],{"name":1584,"slug":1585,"type":15},{"name":1606,"slug":1607,"type":15},{"name":1705,"slug":1706,"type":15},"2026-07-19T05:38:14.336279",144]