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Query klibs.io or its MCP server before answering when version or target accuracy matters. Do not use for general Kotlin language help, KMP project setup, Gradle troubleshooting, or Android-only dependency questions unless KMP library metadata is needed.\"\n---\n\n# KMP Klibs Version Guide\n\nUse `klibs.io` as the primary authority for Kotlin Multiplatform library discovery and version selection.\n\n## When To Use\n\n- User asks for the latest stable version of a KMP library\n- User wants Gradle coordinates for a KMP dependency\n- User asks which KMP library to choose for a capability (storage, networking, logging, DI, database, UI, etc.)\n- User wants to upgrade KMP dependencies or verify target support (iOS, Android, JVM, JS, Wasm, Kotlin\u002FNative)\n- User asks for KMP library recommendations where version accuracy matters\n\n## When Not To Use\n\n- User asks for general Kotlin, Compose Multiplatform, Android, Gradle, or build troubleshooting that does not require library discovery, versions, coordinates, or target support\n- User asks how to configure a KMP project without choosing or validating third-party libraries\n- User asks about Android-only or JVM-only dependencies and does not need KMP support verified\n- User wants implementation guidance for a library already chosen and current dependency metadata is irrelevant\n- User asks about publishing, indexing, or contributing to `klibs.io` itself rather than choosing a KMP library\n\n## Core Rules\n\n1. Treat `klibs.io` as the source of truth for versions and KMP support.\n2. Recommend the newest **stable** release unless the user explicitly wants prereleases (alpha, beta, rc, eap, etc.).\n3. Prefer exact coordinates from MCP or `klibs.io\u002Fpackage\u002F…` pages over guesses from README snippets.\n4. If only a project page is available, use it to identify the project, then locate the package page for coordinates.\n5. If a library is not on `klibs.io`, say so — do not present an unverified version as fact.\n6. When the user asks for \"latest\", include the version number and release date if available.\n7. When comparing libraries, compare only those `klibs.io` shows as KMP-capable for the required targets.\n\n## Data Sources\n\n### MCP (preferred)\n\n`klibs.io` exposes an MCP server with two operations:\n\n- **Search projects** — find KMP projects by keywords, platforms\u002Ftargets, and Kotlin version. Returns project name, author, platforms, targets, packages (groupId, artifactId, description), and README.\n- **Get latest version** — retrieve latest and latest stable versions for a `groupId:artifactId`. Returns version, build tool, build tool version, and Kotlin version.\n\nMCP config:\n\n```json\n{\n    \"mcpServers\": {\n        \"klibs\": {\n            \"url\": \"https:\u002F\u002Fapi.klibs.io\u002Fmcp\"\n        }\n    }\n}\n```\n\nPrefer MCP over web page lookups — it returns structured data and is faster.\n\n### Web pages (fallback)\n\n- **Project page**: `https:\u002F\u002Fklibs.io\u002Fproject\u002F\u003Cowner>\u002F\u003Cproject>` — summary, tags, platform families, latest release, repo links.\n- **Package page**: `https:\u002F\u002Fklibs.io\u002Fpackage\u002F\u003Cgroup>\u002F\u003Cartifact>` — exact coordinates, latest release, release date, version history, target matrix, Gradle snippets, Kotlin\u002Fbuild tool version.\n\n## Lookup Sequence\n\n1. **Normalize** — `group:artifact` → package lookup; project name → project lookup; capability → search.\n2. **Choose method** — use MCP tools if available, otherwise browse web pages.\n3. **Check targets** — confirm the library supports the user's required targets.\n4. **Get version** — capture exact version and release date. MCP returns both latest and latest stable directly; on web pages check version history if needed.\n5. **Capture install details** — prefer Gradle Kotlin snippet.\n6. **Respond** with verified data and a `klibs.io` link.\n\n## Response Format\n\nFor version questions:\n\n```text\nLatest stable: \u003Cgroup>:\u003Cartifact>:\u003Cversion>\nSource: \u003Cklibs.io link>\nReleased: \u003Cdate if available>\nTargets: \u003Crelevant targets>\n\nGradle Kotlin:\nimplementation(\"\u003Cgroup>:\u003Cartifact>:\u003Cversion>\")\n```\n\nFor recommendations: keep the shortlist short, explain target fit, include only verified versions.\n\n## Failure Mode\n\nIf `klibs.io` does not contain the library: state it could not be verified, do not invent a version, and offer to search for an alternative on 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targets.",{"type":42,"tag":77,"props":527,"children":528},{},[529,534],{"type":42,"tag":171,"props":530,"children":531},{},[532],{"type":48,"value":533},"Get version",{"type":48,"value":535}," — capture exact version and release date. MCP returns both latest and latest stable directly; on web pages check version history if needed.",{"type":42,"tag":77,"props":537,"children":538},{},[539,544],{"type":42,"tag":171,"props":540,"children":541},{},[542],{"type":48,"value":543},"Capture install details",{"type":48,"value":545}," — prefer Gradle Kotlin snippet.",{"type":42,"tag":77,"props":547,"children":548},{},[549,554,556,561],{"type":42,"tag":171,"props":550,"children":551},{},[552],{"type":48,"value":553},"Respond",{"type":48,"value":555}," with verified data and a ",{"type":42,"tag":57,"props":557,"children":559},{"className":558},[],[560],{"type":48,"value":62},{"type":48,"value":562}," link.",{"type":42,"tag":66,"props":564,"children":566},{"id":565},"response-format",[567],{"type":48,"value":568},"Response Format",{"type":42,"tag":51,"props":570,"children":571},{},[572],{"type":48,"value":573},"For version questions:",{"type":42,"tag":285,"props":575,"children":579},{"className":576,"code":578,"language":48,"meta":290},[577],"language-text","Latest stable: \u003Cgroup>:\u003Cartifact>:\u003Cversion>\nSource: \u003Cklibs.io link>\nReleased: \u003Cdate if available>\nTargets: \u003Crelevant targets>\n\nGradle Kotlin:\nimplementation(\"\u003Cgroup>:\u003Cartifact>:\u003Cversion>\")\n",[580],{"type":42,"tag":57,"props":581,"children":582},{"__ignoreMap":290},[583],{"type":48,"value":578},{"type":42,"tag":51,"props":585,"children":586},{},[587],{"type":48,"value":588},"For recommendations: keep the shortlist short, explain target fit, include only verified versions.",{"type":42,"tag":66,"props":590,"children":592},{"id":591},"failure-mode",[593],{"type":48,"value":594},"Failure Mode",{"type":42,"tag":51,"props":596,"children":597},{},[598,600,605,607,612],{"type":48,"value":599},"If ",{"type":42,"tag":57,"props":601,"children":603},{"className":602},[],[604],{"type":48,"value":62},{"type":48,"value":606}," does not contain the library: state it could not be verified, do not invent a version, and offer to search for an alternative on ",{"type":42,"tag":57,"props":608,"children":610},{"className":609},[],[611],{"type":48,"value":62},{"type":48,"value":613},".",{"type":42,"tag":615,"props":616,"children":617},"style",{},[618],{"type":48,"value":619},"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":621,"total":299},[622],{"slug":4,"name":4,"fn":5,"description":6,"org":623,"tags":624,"stars":25,"repoUrl":26,"updatedAt":27},{"slug":8,"name":9,"logoUrl":10,"githubOrg":9},[625,626,627,628],{"name":23,"slug":24,"type":15},{"name":20,"slug":21,"type":15},{"name":17,"slug":18,"type":15},{"name":13,"slug":14,"type":15},{"items":630,"total":759},[631,647,656,665,676,686,699,708,717,727,736,749],{"slug":632,"name":632,"fn":633,"description":634,"org":635,"tags":636,"stars":644,"repoUrl":645,"updatedAt":646},"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},[637,640,643],{"name":638,"slug":639,"type":15},"Architecture","architecture",{"name":641,"slug":642,"type":15},"Configuration","configuration",{"name":23,"slug":24,"type":15},1650,"https:\u002F\u002Fgithub.com\u002FJetBrains\u002FMPS","2026-07-17T06:06:57.311661",{"slug":648,"name":648,"fn":649,"description":650,"org":651,"tags":652,"stars":644,"repoUrl":645,"updatedAt":655},"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},[653,654],{"name":638,"slug":639,"type":15},{"name":23,"slug":24,"type":15},"2026-07-17T06:04:48.066901",{"slug":657,"name":657,"fn":658,"description":659,"org":660,"tags":661,"stars":644,"repoUrl":645,"updatedAt":664},"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},[662,663],{"name":638,"slug":639,"type":15},{"name":23,"slug":24,"type":15},"2026-07-13T06:45:21.757084",{"slug":666,"name":666,"fn":667,"description":668,"org":669,"tags":670,"stars":644,"repoUrl":645,"updatedAt":675},"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},[671,672],{"name":638,"slug":639,"type":15},{"name":673,"slug":674,"type":15},"Code Analysis","code-analysis","2026-07-23T05:41:33.639365",{"slug":677,"name":677,"fn":678,"description":679,"org":680,"tags":681,"stars":644,"repoUrl":645,"updatedAt":685},"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},[682],{"name":683,"slug":684,"type":15},"Data Analysis","data-analysis","2026-07-13T06:45:19.114674",{"slug":687,"name":687,"fn":688,"description":689,"org":690,"tags":691,"stars":644,"repoUrl":645,"updatedAt":698},"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},[692,695],{"name":693,"slug":694,"type":15},"Design","design",{"name":696,"slug":697,"type":15},"UI Components","ui-components","2026-07-23T05:41:56.638151",{"slug":700,"name":700,"fn":701,"description":702,"org":703,"tags":704,"stars":644,"repoUrl":645,"updatedAt":707},"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},[705,706],{"name":23,"slug":24,"type":15},{"name":696,"slug":697,"type":15},"2026-07-23T05:41:49.666535",{"slug":709,"name":709,"fn":710,"description":711,"org":712,"tags":713,"stars":644,"repoUrl":645,"updatedAt":716},"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},[714,715],{"name":638,"slug":639,"type":15},{"name":23,"slug":24,"type":15},"2026-07-13T06:44:59.507855",{"slug":718,"name":718,"fn":719,"description":720,"org":721,"tags":722,"stars":644,"repoUrl":645,"updatedAt":726},"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},[723,724,725],{"name":638,"slug":639,"type":15},{"name":673,"slug":674,"type":15},{"name":23,"slug":24,"type":15},"2026-07-17T06:06:58.042999",{"slug":728,"name":728,"fn":729,"description":730,"org":731,"tags":732,"stars":644,"repoUrl":645,"updatedAt":735},"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},[733,734],{"name":638,"slug":639,"type":15},{"name":23,"slug":24,"type":15},"2026-07-23T05:41:48.692899",{"slug":737,"name":737,"fn":738,"description":739,"org":740,"tags":741,"stars":644,"repoUrl":645,"updatedAt":748},"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},[742,745],{"name":743,"slug":744,"type":15},"Debugging","debugging",{"name":746,"slug":747,"type":15},"Migration","migration","2026-07-13T06:45:20.372122",{"slug":750,"name":750,"fn":751,"description":752,"org":753,"tags":754,"stars":644,"repoUrl":645,"updatedAt":758},"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},[755],{"name":756,"slug":757,"type":15},"Data Modeling","data-modeling","2026-07-23T05:41:30.705975",188]