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Pair them with the ",[612,613,614],"a",{"href":91},"evlog CLI"," when you want a scoreable coverage map. The skills teach the patterns; ",[617,618,619],"code",{},"evlog map"," points at the dark entry points.",[622,623,625],"h2",{"id":624},"what-are-agent-skills","What are Agent Skills?",[608,627,628,633],{},[612,629,569],{"href":630,"rel":631},"https:\u002F\u002Fagentskills.io\u002F",[632],"nofollow"," is an open specification for packaging AI assistant capabilities. Skills provide:",[635,636,637,645,651],"ul",{},[638,639,640,644],"li",{},[641,642,643],"strong",{},"Domain knowledge",": Best practices for wide events and structured errors",[638,646,647,650],{},[641,648,649],{},"Code review",": Identify logging anti-patterns in your codebase",[638,652,653,656],{},[641,654,655],{},"Guided adoption",": Step-by-step help migrating to evlog",[622,658,660],{"id":659},"available-skills","Available Skills",[662,663,664,677],"table",{},[665,666,667],"thead",{},[668,669,670,674],"tr",{},[671,672,673],"th",{},"Skill",[671,675,676],{},"Description",[678,679,680,694,715],"tbody",{},[668,681,682,688],{},[683,684,685],"td",{},[617,686,687],{},"skills\u002Freview-logging-patterns",[683,689,690,691,693],{},"Review logging patterns, suggest evlog adoption; optionally use ",[617,692,619],{}," for coverage",[668,695,696,701],{},[683,697,698],{},[617,699,700],{},"skills\u002Fbuild-audit-logs",[683,702,703,704,707,708,707,711,714],{},"Design, wire, and review tamper-aware audit trails: policy, ",[617,705,706],{},"auditEnricher",", ",[617,709,710],{},"auditOnly",[617,712,713],{},"signed",", denials, redaction, tests",[668,716,717,722],{},[683,718,719],{},[617,720,721],{},"skills\u002Fanalyze-logs",[683,723,724,725,728],{},"Analyze application logs from ",[617,726,727],{},".evlog\u002Flogs\u002F"," to debug errors, investigate performance, and understand behavior",[622,730,732],{"id":731},"installing-the-skill","Installing the Skill",[608,734,735],{},"Compatible agents (Cursor, Claude Code, etc.) can discover and use skills automatically.",[608,737,738],{},"To install with the skills CLI:",[740,741,747],"pre",{"className":742,"code":743,"filename":744,"language":745,"meta":746,"style":746},"language-bash shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","npx skills add https:\u002F\u002Fwww.evlog.dev\n","Terminal","bash","",[617,748,749],{"__ignoreMap":746},[750,751,754,758,762,765],"span",{"class":752,"line":753},"line",1,[750,755,757],{"class":756},"sBMFI","npx",[750,759,761],{"class":760},"sfazB"," skills",[750,763,764],{"class":760}," add",[750,766,767],{"class":760}," https:\u002F\u002Fwww.evlog.dev\n",[608,769,770,775,776,779],{},[612,771,772],{"href":130},[617,773,774],{},"evlog agents"," runs that same command for you, and additionally writes a short block of evlog conventions into your project's ",[617,777,778],{},"AGENTS.md",", the rules an agent should follow on every logging change, which the skills then back with the detail:",[740,781,783],{"className":742,"code":782,"filename":744,"language":745,"meta":746,"style":746},"npx evlog agents\n",[617,784,785],{"__ignoreMap":746},[750,786,787,789,792],{"class":752,"line":753},[750,788,757],{"class":756},[750,790,791],{"class":760}," evlog",[750,793,794],{"class":760}," agents\n",[622,796,798],{"id":797},"what-the-skill-does","What the Skill Does",[800,801,803],"h3",{"id":802},"code-review","Code Review",[608,805,806],{},"The skill analyzes your codebase for:",[635,808,809,823,829,839],{},[638,810,811,814,815,818,819,822],{},[641,812,813],{},"Scattered logging",": Multiple ",[617,816,817],{},"console.log"," or ",[617,820,821],{},"logger.info"," calls in request handlers",[638,824,825,828],{},[641,826,827],{},"Missing context",": Logs without user, request, or business context",[638,830,831,834,835,838],{},[641,832,833],{},"Unhelpful errors",": ",[617,836,837],{},"throw new Error()"," without structured fields",[638,840,841,844],{},[641,842,843],{},"Correlation gaps",": Missing request IDs or trace IDs",[608,846,847,848,852,853,856,857,860],{},"On Nuxt, Nitro, Next.js, TanStack Start, and Hono, ask the assistant to try ",[612,849,850],{"href":100},[617,851,619],{}," first (",[617,854,855],{},"npx evlog map --no-write","): it scores every entry point and lists FIX FIRST. Agents that prefer structured output can use ",[617,858,859],{},"npx evlog map --json --no-write",". The skill still works without the CLI; map is early and makes the review faster when available.",[800,862,864],{"id":863},"adoption-guidance","Adoption Guidance",[608,866,867],{},"The skill helps you:",[635,869,870,873,876,889],{},[638,871,872],{},"Convert traditional logging to wide events",[638,874,875],{},"Design effective wide event schemas",[638,877,878,879,707,882,885,886],{},"Implement structured errors with ",[617,880,881],{},"why",[617,883,884],{},"fix",", and ",[617,887,888],{},"link",[638,890,891],{},"Set up evlog in Nuxt, Nitro, or standalone TypeScript",[800,893,895],{"id":894},"log-analysis","Log Analysis",[608,897,898,899,902,903,905],{},"The ",[617,900,901],{},"analyze-logs"," skill teaches your AI assistant to read structured logs from ",[617,904,727],{},":",[635,907,908,914,920,929],{},[638,909,910,913],{},[641,911,912],{},"Error debugging",": Find and explain errors, stack traces, and failure patterns",[638,915,916,919],{},[641,917,918],{},"Performance investigation",": Identify slow requests by duration",[638,921,922,925,926],{},[641,923,924],{},"Request tracing",": Follow a request across its lifecycle using ",[617,927,928],{},"requestId",[638,930,931,934],{},[641,932,933],{},"Pattern detection",": Spot recurring issues or anomalies",[800,936,938],{"id":937},"example-prompts","Example Prompts",[608,940,941],{},"Ask your AI assistant:",[943,944,948],"prompt",{":actions":945,"description":946,"icon":947},"[\"copy\",\"cursor\",\"claude\"]","Review my code for logging anti-patterns","i-lucide-search-code","Review this file for logging anti-patterns",[943,950,952,958,993],{":actions":945,"description":951,"icon":102},"Raise my evlog map score",[608,953,954,955,957],{},"Run ",[617,956,855],{}," in this project and read the report.",[635,959,960,963,970,987],{},[638,961,962],{},"Fix the entry points listed under FIX FIRST, in order",[638,964,965,966,969],{},"For each one, run ",[617,967,968],{},"npx evlog map \u003Cfile> --no-write"," first to see the suggested shape",[638,971,972,973,707,976,707,979,982,983,986],{},"Keep the changes minimal: add ",[617,974,975],{},"useLogger()",[617,977,978],{},"log.set()",[617,980,981],{},"log.audit()",", or ",[617,984,985],{},"createError({ why, fix })"," where the report says they are missing",[638,988,989,990,992],{},"Re-run ",[617,991,855],{}," and confirm the score went up",[608,994,995,996,1000,1001],{},"Docs: ",[612,997,998],{"href":998,"rel":999},"https:\u002F\u002Fwww.evlog.dev\u002Fcli\u002Fmap",[632],"\nRules: ",[612,1002,1003],{"href":1003,"rel":1004},"https:\u002F\u002Fwww.evlog.dev\u002Fcli\u002Frules",[632],[943,1006,1008],{":actions":945,"description":1007,"icon":54},"Convert console.log calls to a wide event","Help me convert these console.log calls to a wide event",[943,1010,1012],{":actions":945,"description":1011,"icon":443},"Suggest context to add to my wide event","What context should I add to this wide event?",[943,1014,1016,1017,1020,1021,1025],{":actions":945,"description":1015,"icon":388},"Design or review an audit trail with evlog","Follow the ",[641,1018,1019],{},"build-audit-logs"," skill. Help me design, implement, or review an audit trail with evlog (",[612,1022,1023],{"href":1023,"rel":1024},"https:\u002F\u002Fwww.evlog.dev\u002Fuse-cases\u002Faudit\u002Foverview",[632],").",[943,1027,1029],{":actions":945,"description":1028,"icon":59},"Structure this error with evlog","How do I structure this error with evlog?",[943,1031,1034],{":actions":945,"description":1032,"icon":1033},"Debug a failing endpoint from logs","i-lucide-bug","Why is the checkout endpoint failing?",[943,1036,1038],{":actions":945,"description":1037,"icon":112},"Find the slowest requests from today","Show me the slowest requests from today",[622,1040,1042],{"id":1041},"skill-structure","Skill Structure",[740,1044,1049],{"className":1045,"code":1047,"language":1048},[1046],"language-text","skills\u002F\n├── review-logging-patterns\u002F\n│   ├── SKILL.md              # Main skill instructions\n│   └── references\u002F\n│       ├── wide-events.md    # Wide event patterns\n│       ├── structured-errors.md # Error handling guide\n│       └── code-review.md    # Review checklist\n├── build-audit-logs\u002F\n│   ├── SKILL.md              # Audit policy, wiring, review checklist\n│   └── references\u002F\n│       └── framework-wiring.md\n└── analyze-logs\u002F\n    └── SKILL.md              # Log analysis from .evlog\u002Flogs\u002F\n","text",[617,1050,1047],{"__ignoreMap":746},[622,1052,1054],{"id":1053},"reference-documents","Reference Documents",[608,1056,1057],{},"The skill includes reference documents that provide:",[800,1059,1061],{"id":1060},"wide-eventsmd","wide-events.md",[635,1063,1064,1067,1070],{},[638,1065,1066],{},"Wide event anatomy and best practices",[638,1068,1069],{},"Context grouping patterns",[638,1071,1072],{},"Output format examples",[800,1074,1076],{"id":1075},"structured-errorsmd","structured-errors.md",[635,1078,1079,1082,1085],{},[638,1080,1081],{},"Error field definitions",[638,1083,1084],{},"Status code guidelines",[638,1086,1087],{},"Frontend integration patterns",[800,1089,1091],{"id":1090},"code-reviewmd","code-review.md",[635,1093,1094,1097,1100],{},[638,1095,1096],{},"Checklist for logging code review",[638,1098,1099],{},"Common anti-patterns to identify",[638,1101,1102],{},"Migration suggestions",[622,1104,1106],{"id":1105},"next-steps","Next Steps",[635,1108,1109,1114,1119],{},[638,1110,1111,1113],{},[612,1112,25],{"href":26}," - Get started with evlog",[638,1115,1116,1118],{},[612,1117,51],{"href":52}," - Learn wide event design",[638,1120,1121,1123],{},[612,1122,56],{"href":57}," - Error handling patterns",[1125,1126,1127],"style",{},"html pre.shiki code .sBMFI, html code.shiki .sBMFI{--shiki-light:#E2931D;--shiki-default:#FFCB6B;--shiki-dark:#FFCB6B}html pre.shiki code .sfazB, html code.shiki .sfazB{--shiki-light:#91B859;--shiki-default:#C3E88D;--shiki-dark:#C3E88D}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);}",{"title":746,"searchDepth":1129,"depth":1129,"links":1130},2,[1131,1132,1133,1134,1141,1142,1147],{"id":624,"depth":1129,"text":625},{"id":659,"depth":1129,"text":660},{"id":731,"depth":1129,"text":732},{"id":797,"depth":1129,"text":798,"children":1135},[1136,1138,1139,1140],{"id":802,"depth":1137,"text":803},3,{"id":863,"depth":1137,"text":864},{"id":894,"depth":1137,"text":895},{"id":937,"depth":1137,"text":938},{"id":1041,"depth":1129,"text":1042},{"id":1053,"depth":1129,"text":1054,"children":1143},[1144,1145,1146],{"id":1060,"depth":1137,"text":1061},{"id":1075,"depth":1137,"text":1076},{"id":1090,"depth":1137,"text":1091},{"id":1105,"depth":1129,"text":1106},"AI-assisted code review and evlog adoption using Agent Skills. Let AI review your logging patterns and guide migration to wide events.","md",[1151],{"label":1152,"icon":1153,"to":1154,"target":1155,"color":1156,"variant":1157},"Agent Skills Spec","i-lucide-external-link","https:\u002F\u002Fagentskills.io","_blank","neutral","subtle",{},{"icon":443},{"title":569,"description":1148},"shVvgYThuyCc9gPxRppNiOWhw0rwFiUw52wpJTvYJsE",[1163,1165],{"title":564,"path":565,"stem":566,"description":1164,"icon":567,"children":-1},"Choose a logger by context model, extensibility, output, and migration cost, then follow the detailed comparison for your current stack.",{"title":573,"path":574,"stem":575,"description":1166,"icon":576,"children":-1},"One request leaves one event instead of four lines: 56% fewer bytes, 75% fewer events. Which number moves your bill depends on your provider.",1791060977283]