[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"skill-jetbrains-reflecting-findings":3,"mdc-ne2yfc-key":32,"related-org-jetbrains-reflecting-findings":211,"related-repo-jetbrains-reflecting-findings":340},{"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":30,"mdContent":31},"reflecting-findings","verify agent review findings","Use when a reflection package hands you another agent's review findings to verify (before they become a fix request): you are the REFLECTOR, an independent skeptic. Judge each finding against the real code and settle it with reflect_finding — kept or refuted.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":9},"jetbrains","JetBrains","https:\u002F\u002Fpexgzepcugksgbtrxkhf.supabase.co\u002Fstorage\u002Fv1\u002Fobject\u002Fpublic\u002Forg-logos\u002Fjetbrains.png",[12,16,19],{"name":13,"slug":14,"type":15},"QA","qa","tag",{"name":17,"slug":18,"type":15},"Code Analysis","code-analysis",{"name":20,"slug":21,"type":15},"Debugging","debugging",7,"https:\u002F\u002Fgithub.com\u002FJetBrains\u002Fthinkrail","2026-08-28T15:09:33.670824",null,0,[],{"repoUrl":23,"stars":22,"forks":26,"topics":29,"description":25},[],"https:\u002F\u002Fgithub.com\u002FJetBrains\u002Fthinkrail\u002Ftree\u002FHEAD\u002Fpackages\u002Fpi-todos\u002Fskills\u002Freflecting-findings","---\nname: reflecting-findings\ndescription: \"Use when a reflection package hands you another agent's review findings to verify (before they become a fix request): you are the REFLECTOR, an independent skeptic. Judge each finding against the real code and settle it with reflect_finding — kept or refuted.\"\n---\n\n# Reflecting on another reviewer's findings\n\nYou are an independent check on findings a *different* agent filed while reviewing a change set. Its job\nwas to find problems; yours is to keep only the ones that hold up. You did not write the code and you did\nnot file these findings — approach each as a skeptic, not as their author defending them.\n\nPrecision over recall: a false finding sent to the worker wastes a fix cycle and erodes trust, so **the\ndefault under doubt is `refuted`**. A finding earns `kept` only when you can point at the exact code or\nbehaviour that proves it.\n\n## For each finding in the package\n\n1. **Read the cited code**, not the finding's prose. Open the file at the given `path:line` and read\n   enough around it to judge the claim on its own terms.\n2. **Try to refute it.** Construct the case that the finding is wrong: the API exists after all, the edge\n   case can't occur, the \"bug\" is guarded upstream, the claim misread the diff. Only if refutation fails\n   does the finding stand.\n3. **Verify, don't trust.** When a finding names a failing command or a broken call, run\u002Finspect it\n   yourself. A finding that merely *sounds* plausible is `refuted`.\n4. **Settle it with exactly one `reflect_finding`** (its `commentId` from the package): `kept` or\n   `refuted`, a `confidence`, and a one-line `reason` naming the evidence — the line or behaviour that\n   decided it. Never leave a finding in the package unjudged.\n\nStyle, wording, and how the finding is phrased are not your concern — only whether the problem it claims\nis real. Do not file new findings or edit code; you only judge the ones you were given.\n",{"data":33,"body":34},{"name":4,"description":6},{"type":35,"children":36},"root",[37,46,60,88,95,206],{"type":38,"tag":39,"props":40,"children":42},"element","h1",{"id":41},"reflecting-on-another-reviewers-findings",[43],{"type":44,"value":45},"text","Reflecting on another reviewer's findings",{"type":38,"tag":47,"props":48,"children":49},"p",{},[50,52,58],{"type":44,"value":51},"You are an independent check on findings a ",{"type":38,"tag":53,"props":54,"children":55},"em",{},[56],{"type":44,"value":57},"different",{"type":44,"value":59}," agent filed while reviewing a change set. Its job\nwas to find problems; yours is to keep only the ones that hold up. You did not write the code and you did\nnot file these findings — approach each as a skeptic, not as their author defending them.",{"type":38,"tag":47,"props":61,"children":62},{},[63,65,78,80,86],{"type":44,"value":64},"Precision over recall: a false finding sent to the worker wastes a fix cycle and erodes trust, so ",{"type":38,"tag":66,"props":67,"children":68},"strong",{},[69,71],{"type":44,"value":70},"the\ndefault under doubt is ",{"type":38,"tag":72,"props":73,"children":75},"code",{"className":74},[],[76],{"type":44,"value":77},"refuted",{"type":44,"value":79},". A finding earns ",{"type":38,"tag":72,"props":81,"children":83},{"className":82},[],[84],{"type":44,"value":85},"kept",{"type":44,"value":87}," only when you can point at the exact code or\nbehaviour that proves it.",{"type":38,"tag":89,"props":90,"children":92},"h2",{"id":91},"for-each-finding-in-the-package",[93],{"type":44,"value":94},"For each finding in the package",{"type":38,"tag":96,"props":97,"children":98},"ol",{},[99,118,128,152],{"type":38,"tag":100,"props":101,"children":102},"li",{},[103,108,110,116],{"type":38,"tag":66,"props":104,"children":105},{},[106],{"type":44,"value":107},"Read the cited code",{"type":44,"value":109},", not the finding's prose. Open the file at the given ",{"type":38,"tag":72,"props":111,"children":113},{"className":112},[],[114],{"type":44,"value":115},"path:line",{"type":44,"value":117}," and read\nenough around it to judge the claim on its own terms.",{"type":38,"tag":100,"props":119,"children":120},{},[121,126],{"type":38,"tag":66,"props":122,"children":123},{},[124],{"type":44,"value":125},"Try to refute it.",{"type":44,"value":127}," Construct the case that the finding is wrong: the API exists after all, the edge\ncase can't occur, the \"bug\" is guarded upstream, the claim misread the diff. Only if refutation fails\ndoes the finding stand.",{"type":38,"tag":100,"props":129,"children":130},{},[131,136,138,143,145,150],{"type":38,"tag":66,"props":132,"children":133},{},[134],{"type":44,"value":135},"Verify, don't trust.",{"type":44,"value":137}," When a finding names a failing command or a broken call, run\u002Finspect it\nyourself. A finding that merely ",{"type":38,"tag":53,"props":139,"children":140},{},[141],{"type":44,"value":142},"sounds",{"type":44,"value":144}," plausible is ",{"type":38,"tag":72,"props":146,"children":148},{"className":147},[],[149],{"type":44,"value":77},{"type":44,"value":151},".",{"type":38,"tag":100,"props":153,"children":154},{},[155,166,168,174,176,181,183,188,190,196,198,204],{"type":38,"tag":66,"props":156,"children":157},{},[158,160],{"type":44,"value":159},"Settle it with exactly one ",{"type":38,"tag":72,"props":161,"children":163},{"className":162},[],[164],{"type":44,"value":165},"reflect_finding",{"type":44,"value":167}," (its ",{"type":38,"tag":72,"props":169,"children":171},{"className":170},[],[172],{"type":44,"value":173},"commentId",{"type":44,"value":175}," from the package): ",{"type":38,"tag":72,"props":177,"children":179},{"className":178},[],[180],{"type":44,"value":85},{"type":44,"value":182}," or\n",{"type":38,"tag":72,"props":184,"children":186},{"className":185},[],[187],{"type":44,"value":77},{"type":44,"value":189},", a ",{"type":38,"tag":72,"props":191,"children":193},{"className":192},[],[194],{"type":44,"value":195},"confidence",{"type":44,"value":197},", and a one-line ",{"type":38,"tag":72,"props":199,"children":201},{"className":200},[],[202],{"type":44,"value":203},"reason",{"type":44,"value":205}," naming the evidence — the line or behaviour that\ndecided it. Never leave a finding in the package unjudged.",{"type":38,"tag":47,"props":207,"children":208},{},[209],{"type":44,"value":210},"Style, wording, and how the finding is phrased are not your concern — only whether the problem it claims\nis real. Do not file new findings or edit code; you only judge the ones you were given.",{"items":212,"total":339},[213,231,240,249,258,268,281,290,299,309,318,329],{"slug":214,"name":214,"fn":215,"description":216,"org":217,"tags":218,"stars":228,"repoUrl":229,"updatedAt":230},"mps-aspect-accessories","configure JetBrains MPS module dependencies","Wire MPS module and model dependencies, used languages, used devkits, extended languages, runtime solutions, accessory models, and language\u002Fdependency versions. Use when adding\u002Fremoving module dependencies, importing languages or devkits into a model, declaring runtime solutions, or shipping accessory content visible to consumers without explicit import.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":9},[219,222,225],{"name":220,"slug":221,"type":15},"Architecture","architecture",{"name":223,"slug":224,"type":15},"Configuration","configuration",{"name":226,"slug":227,"type":15},"Engineering","engineering",1650,"https:\u002F\u002Fgithub.com\u002FJetBrains\u002FMPS","2026-07-17T06:06:57.311661",{"slug":232,"name":232,"fn":233,"description":234,"org":235,"tags":236,"stars":228,"repoUrl":229,"updatedAt":239},"mps-aspect-actions","define and edit MPS node factories","Use when defining or editing MPS node factories (the \"actions\" aspect) — `NodeFactories` roots, per-concept `NodeFactory` setup functions that initialize a freshly created node and optionally copy data from a replaced `sampleNode`, plus the actions aspect's `CopyPasteHandlers` and `PasteWrappers` roots. Reach for this skill when a substitution, side transform, completion replacement, or `add new initialized(...)` should preserve fields from the node it is replacing, or when defaults set in a constructor are not enough.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":9},[237,238],{"name":220,"slug":221,"type":15},{"name":226,"slug":227,"type":15},"2026-07-17T06:04:48.066901",{"slug":241,"name":241,"fn":242,"description":243,"org":244,"tags":245,"stars":228,"repoUrl":229,"updatedAt":248},"mps-aspect-behavior","define and edit MPS concept behavior","Use when defining or editing MPS `ConceptBehavior` — per-concept methods (non-virtual \u002F virtual \u002F abstract \u002F static \u002F virtual static), constructors, virtual dispatch (MRO), super and interface-default calls (`super\u003CInterface>.method`), overriding methods from `lang.core.behavior` interfaces such as `ScopeProvider.getScope` \u002F `INamedConcept.getName` \u002F `BaseConcept.getPresentation`, calling sibling methods (`LocalBehaviorMethodCall`) and behavior methods from other aspects via `node.method(...)`. Reach for this skill whenever the task involves authoring or modifying `\u003Clang>\u002FlanguageModels\u002Fbehavior.mps`.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":9},[246,247],{"name":220,"slug":221,"type":15},{"name":226,"slug":227,"type":15},"2026-07-13T06:45:21.757084",{"slug":250,"name":250,"fn":251,"description":252,"org":253,"tags":254,"stars":228,"repoUrl":229,"updatedAt":257},"mps-aspect-constraints","define JetBrains MPS language constraints","Use when defining or editing MPS language constraints — property validators \u002F setters \u002F getters, referent search scopes (imperative or inherited via `ScopeProvider.getScope`), `referentSetHandler` side effects, default-scope blocks, `canBeChild` \u002F `canBeParent` \u002F `canBeAncestor` \u002F `canBeRoot` placement rules, `defaultConcreteConcept` for abstract concepts, `set \u003Cread-only>` and `{name}` aliasing, and scope helpers (`SimpleRoleScope`, `ListScope`, `CompositeScope`, `HidingByNameScope`). Reach for this skill whenever the task involves authoring or modifying `\u003Clang>\u002FlanguageModels\u002Fconstraints.mps`.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":9},[255,256],{"name":220,"slug":221,"type":15},{"name":17,"slug":18,"type":15},"2026-07-23T05:41:33.639365",{"slug":259,"name":259,"fn":260,"description":261,"org":262,"tags":263,"stars":228,"repoUrl":229,"updatedAt":267},"mps-aspect-dataflow","define and debug MPS dataflow builders","Use when defining or debugging MPS dataflow builders for a concept — control\u002Fdata flow declarations that drive reachability analysis and variable-use checking. Covers DataFlowBuilderDeclaration, BuilderBlock, emit instructions (code for, jump, ifjump, label, read, write, ret, mayBeUnreachable), positions (AfterPosition, BeforePosition, LabelPosition), the jetbrains.mps.lang.dataFlow language, the NodeParameter implicit, BL+smodel usage inside builder bodies, and IBuilderMode for advanced analyses such as nullable\u002Fnon-null tracking.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":9},[264],{"name":265,"slug":266,"type":15},"Data Analysis","data-analysis","2026-07-13T06:45:19.114674",{"slug":269,"name":269,"fn":270,"description":271,"org":272,"tags":273,"stars":228,"repoUrl":229,"updatedAt":280},"mps-aspect-editor","define MPS editor layouts","Use when creating or changing MPS editor definitions — the overall workflow from scaffolding a `ConceptEditorDeclaration` through componentizing reusable `EditorComponentDeclaration`s, refining cell models and cell layouts, applying style sheets and indent-layout style items, wiring smart references, leveraging inheritance via super-concepts and interfaces, inspecting (`print_node_json`, `show_node_representation`) and validating (`check_root_node_problems`). Covers `jetbrains.mps.lang.editor` cell models (`CellModel_RefNode`\u002F`CellModel_RefNodeList`\u002F`CellModel_RefCell`\u002F`CellModel_Property`\u002F`CellModel_Constant`), layout choices, and JSON blueprints for common editor shapes. For the non-layout side (action maps, keymaps, transformation\u002Fsubstitute menus) use `mps-aspect-editor-menus-and-keymaps`.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":9},[274,277],{"name":275,"slug":276,"type":15},"Design","design",{"name":278,"slug":279,"type":15},"UI Components","ui-components","2026-07-23T05:41:56.638151",{"slug":282,"name":282,"fn":283,"description":284,"org":285,"tags":286,"stars":228,"repoUrl":229,"updatedAt":289},"mps-aspect-editor-menus-and-keymaps","author MPS editor menus and keymaps","Use when authoring the **non-layout** parts of the MPS editor aspect — what happens when the user types, presses a key, triggers completion, pastes, or invokes a context action. Covers action maps (`CellActionMapDeclaration`), cell keymaps (`CellKeyMapDeclaration`), transformation menus (`TransformationMenu_Default` \u002F `_Named` \u002F `_Contribution`), substitute menus (`SubstituteMenu_Default` \u002F `SubstituteMenu` \u002F contributions), side transforms (LEFT\u002FRIGHT), legacy cell menus, paste wrappers and copy-paste handlers (in the actions language), completion styling, reference presentation, two-step deletion, and the editor selection API. Trigger terms: `actionMap`, `keyMap`, `delete_action_id`, `transformationMenu`, `substituteMenu`, `Ctrl+Space`, `Ctrl+Alt+B`, side transform, paste wrapper, completion styling, `PasteWrappers`, `CopyPasteHandlers`. For the **layout** side (cells, layouts, style sheets) use `mps-aspect-editor` instead.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":9},[287,288],{"name":226,"slug":227,"type":15},{"name":278,"slug":279,"type":15},"2026-07-23T05:41:49.666535",{"slug":291,"name":291,"fn":292,"description":293,"org":294,"tags":295,"stars":228,"repoUrl":229,"updatedAt":298},"mps-aspect-generation-plan","modify MPS generation plans","Use when defining or modifying an MPS generation plan — explicit ordering of generators, checkpoints for cross-model reference resolution, forks for parallel branches, IncludePlan composition, conditional PlanContribution activation, ParameterEquals\u002FConceptListSelector fork selectors, and InitModelAttributes for targetFacet routing. Apply when working with @genplan models, the jetbrains.mps.lang.generator.plan language, attaching plans via DevKits or the Custom generation facet, or debugging cross-model mapping label resolution.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":9},[296,297],{"name":220,"slug":221,"type":15},{"name":226,"slug":227,"type":15},"2026-07-13T06:44:59.507855",{"slug":300,"name":300,"fn":301,"description":302,"org":303,"tags":304,"stars":228,"repoUrl":229,"updatedAt":308},"mps-aspect-generator","define JetBrains MPS generator rules","Use when defining or modifying MPS generators — author a generator module, add or edit root\u002Freduction\u002Fweaving\u002Fpattern mapping rules, attach template macros ($COPY_SRC, $LOOP, $IF, $PROPERTY, $REF, $SWITCH, $MAP_SRC, $WEAVE, $INSERT, $LABEL, $TRACE, $VAR), wire mapping labels, build template switches, write pre\u002Fpost mapping scripts, navigate `genContext`, or debug \"rule didn't fire\", missing references, empty output, infinite reduction loops, and generated-Java compile failures.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":9},[305,306,307],{"name":220,"slug":221,"type":15},{"name":17,"slug":18,"type":15},{"name":226,"slug":227,"type":15},"2026-07-17T06:06:58.042999",{"slug":310,"name":310,"fn":311,"description":312,"org":313,"tags":314,"stars":228,"repoUrl":229,"updatedAt":317},"mps-aspect-intentions","define and edit MPS intentions","Use when defining or editing MPS intentions (the Alt+Enter context-action aspect) — adding `IntentionDeclaration` roots, parameterized or surround-with variants, description\u002FisApplicable\u002Fexecute blocks, child-filter functions, factory-initialized AST splicing, or debugging why an intention is not offered. Lives in the language's `intentions` model and uses `jetbrains.mps.lang.intentions`.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":9},[315,316],{"name":220,"slug":221,"type":15},{"name":226,"slug":227,"type":15},"2026-07-23T05:41:48.692899",{"slug":319,"name":319,"fn":320,"description":321,"org":322,"tags":323,"stars":228,"repoUrl":229,"updatedAt":328},"mps-aspect-migrations","author and debug MPS migration scripts","Use when authoring or debugging MPS migration scripts that upgrade user models after a language definition changes — covers jetbrains.mps.lang.migration (MigrationScript class-based, PureMigrationScript declarative, MoveConcept\u002FMoveContainmentLink\u002FMoveReferenceLink\u002FMoveProperty, ordering via OrderDependency, data exchange via putData\u002FgetData, RefactoringLog, ConceptMigrationReference) and jetbrains.mps.lang.script Enhancement Scripts (MigrationScript with MigrationScriptPart_Instance, ExtractInterfaceMigration, FactoryMigrationScriptPart, CommentMigrationScriptPart) — when a model needs version-gated upgrade, concept rename or removal, link or property rename, instance-level transformation, or composition of migration steps.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":9},[324,325],{"name":20,"slug":21,"type":15},{"name":326,"slug":327,"type":15},"Migration","migration","2026-07-13T06:45:20.372122",{"slug":330,"name":330,"fn":331,"description":332,"org":333,"tags":334,"stars":228,"repoUrl":229,"updatedAt":338},"mps-aspect-structure-concepts","define concepts in MPS structure aspect","Define concepts, interface concepts, enumerations, and constrained data types in an MPS language's `structure` aspect. Covers smart-reference detection, alias rules, cardinality, INamedConcept usage, bulk creation, and the full `mps_mcp_alter_structure` \u002F `mps_mcp_query_structure` reference. Use when authoring or modifying a language's structure model.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":9},[335],{"name":336,"slug":337,"type":15},"Data Modeling","data-modeling","2026-07-23T05:41:30.705975",190,{"items":341,"total":376},[342,348,360],{"slug":4,"name":4,"fn":5,"description":6,"org":343,"tags":344,"stars":22,"repoUrl":23,"updatedAt":24},{"slug":8,"name":9,"logoUrl":10,"githubOrg":9},[345,346,347],{"name":17,"slug":18,"type":15},{"name":20,"slug":21,"type":15},{"name":13,"slug":14,"type":15},{"slug":349,"name":349,"fn":350,"description":351,"org":352,"tags":353,"stars":22,"repoUrl":23,"updatedAt":359},"reviewing-changes","review agent-written code changes","Use when a review package asks you to review a plan step's change set (todo.startReview): you are the REVIEWER, not the author. How to judge an agent-written diff, file findings with add_review_comment, and settle with exactly one review_verdict.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":9},[354,355,358],{"name":17,"slug":18,"type":15},{"name":356,"slug":357,"type":15},"Code Review","code-review",{"name":226,"slug":227,"type":15},"2026-08-28T15:08:39.670058",{"slug":361,"name":361,"fn":362,"description":363,"org":364,"tags":365,"stars":22,"repoUrl":23,"updatedAt":375},"todos","manage shared live task lists","This chat has a shared, live TODO plan — your tasks for the conversation, which the user also edits. Read this skill and reach for the todo_* tools whenever a request takes more than a couple of steps. It covers the plan model (group = task, items = its steps; loose items are the user's lane), how to work it: propose the plan FIRST (todo_write before you ask questions or start work), work tasks strictly in order with one step in_progress, keep statuses current, re-read the list (source of truth) to catch the user's edits, respect removals, and never delete done items.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":9},[366,369,372],{"name":367,"slug":368,"type":15},"Collaboration","collaboration",{"name":370,"slug":371,"type":15},"Productivity","productivity",{"name":373,"slug":374,"type":15},"Task Management","task-management","2026-08-28T14:35:23.64911",3]