Doc Sync
JetBrains/ideavim
Keeps IdeaVim documentation in sync with code changes. An agent skill from JetBrains/ideavim.
A skill your agent uses when defining or debugging MPS dataflow builders for a concept — control/data flow declarations that drive reachability analysis and variable-use checking.
$ npx skills add JetBrains/MPS --skill mps-aspect-dataflow -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install JetBrains/MPS mps-aspect-dataflow --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/JetBrains/MPS.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.agents/skills/mps-aspect-dataflow .claude/skills/mps-aspect-dataflow && rm -rf skills-srcUse ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.
Claude Code skills documentation · loads skills from .claude/skills/
Install the "mps-aspect-dataflow" agent skill from https://github.com/JetBrains/MPS/tree/master/.agents/skills/mps-aspect-dataflow into .claude/skills/mps-aspect-dataflow/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "mps-aspect-dataflow", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/JetBrains/MPS/tree/master/.agents/skills/mps-aspect-dataflowType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add JetBrains/MPS --skill mps-aspect-dataflow -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install JetBrains/MPS mps-aspect-dataflow --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/JetBrains/MPS.git skills-src && mkdir -p .agents/skills && cp -r skills-src/.agents/skills/mps-aspect-dataflow .agents/skills/mps-aspect-dataflow && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "mps-aspect-dataflow" agent skill from https://github.com/JetBrains/MPS/tree/master/.agents/skills/mps-aspect-dataflow into .agents/skills/mps-aspect-dataflow/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "mps-aspect-dataflow", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add JetBrains/MPS --skill mps-aspect-dataflow -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install JetBrains/MPS mps-aspect-dataflow --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/JetBrains/MPS.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/.agents/skills/mps-aspect-dataflow .cursor/skills/mps-aspect-dataflow && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "mps-aspect-dataflow" agent skill from https://github.com/JetBrains/MPS/tree/master/.agents/skills/mps-aspect-dataflow into .cursor/skills/mps-aspect-dataflow/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "mps-aspect-dataflow", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/JetBrains/MPS.git --path .agents/skills/mps-aspect-dataflow--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add JetBrains/MPS --skill mps-aspect-dataflow -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install JetBrains/MPS mps-aspect-dataflow --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/JetBrains/MPS.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/.agents/skills/mps-aspect-dataflow .gemini/skills/mps-aspect-dataflow && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "mps-aspect-dataflow" agent skill from https://github.com/JetBrains/MPS/tree/master/.agents/skills/mps-aspect-dataflow into .gemini/skills/mps-aspect-dataflow/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "mps-aspect-dataflow", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install JetBrains/MPS mps-aspect-dataflowInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add JetBrains/MPS --skill mps-aspect-dataflow -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/JetBrains/MPS.git skills-src && mkdir -p .github/skills && cp -r skills-src/.agents/skills/mps-aspect-dataflow .github/skills/mps-aspect-dataflow && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "mps-aspect-dataflow" agent skill from https://github.com/JetBrains/MPS/tree/master/.agents/skills/mps-aspect-dataflow into .github/skills/mps-aspect-dataflow/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "mps-aspect-dataflow", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add JetBrains/MPS --skill mps-aspect-dataflow -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install JetBrains/MPS mps-aspect-dataflow --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/JetBrains/MPS.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/.agents/skills/mps-aspect-dataflow .opencode/skills/mps-aspect-dataflow && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "mps-aspect-dataflow" agent skill from https://github.com/JetBrains/MPS/tree/master/.agents/skills/mps-aspect-dataflow into .opencode/skills/mps-aspect-dataflow/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "mps-aspect-dataflow", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
mps-aspect-dataflowA skill your agent uses when defining or debugging MPS dataflow builders for a concept — control/data flow declarations that drive reachability analysis and variable-use checking.
Mps Aspect Dataflow is an agent skill from JetBrains/MPS, published by the product's own GitHub organization. Use when defining or debugging MPS dataflow builders for a concept — control/data 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…
Its SKILL.md is about 1.9k tokens, which your agent loads only when the skill is triggered. The skill folder holds 18 other files, including reference files (for example `references/aspect-model-stereotypes.md`, `references/baselanguage-builder-index.md` and `references/concept-catalog.md`).
It sits in Development. It works with JetBrains IDEs. The repository describes itself as: JetBrains Meta programming System. The licence is Apache-2.0.
6 steps, taken from the first numbered list in SKILL.md.
Read from SKILL.md and the folder at commit a92f944. It shows what the files ask for, not the result of running them.
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
No scripts in the folder and no shell commands in SKILL.md.
From the folder's file list and the shell code blocks in SKILL.md.
No URLs in SKILL.md.
From URLs in SKILL.md, links to its own repository left out.
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Mps Aspect Dataflow loads about 1.9k tokens when it runs, and up to ~12k if it reads all its reference files. Until then it costs about 139 tokens; SKILL.md has 836 words of instructions outside code blocks.
Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.
The automated check found no risky patterns in SKILL.md.
Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.
The full file from JetBrains/MPS at commit a92f944, republished under its Apache-2.0 licence (© JetBrains). 836 words, ~1,917 tokens.
.claude/skills/mps-aspect-dataflow/SKILL.md (or your agent's skills folder). This skill also uses 16 other files; get the full folder from GitHub.Companion names in this skill are lazy dependencies: load only those relevant to the current task. If this skill came from an MCP server, use the host's skill loader to resolve the companion's unique discovered entry URI on the same host-assigned originating server. If the host has no server-backed skill loader, stop and report that limitation; do not silently fall back to a filesystem copy. If this skill came from a filesystem catalog, load the named sibling from that same catalog at <skills-root>/<skill-name>/SKILL.md, even if remote skill loaders are also available. Do not invent a tool name or server endpoint.
The dataflow aspect (jetbrains.mps.lang.dataFlow, l:7fa12e9c-b949-4976-b4fa-19accbc320b4) lets a language describe how control and data flow through nodes of a concept. MPS uses that information for reachability analysis, uninitialised-variable checks, and (via IBuilderMode) richer flow analyses such as nullable tracking.
Each DataFlowBuilderDeclaration answers: given a node of concept X, in what order might execution visit its children, and which variables are read or written?
The builder body is a BL StatementList (inside a BuilderBlock). You use normal BL control flow (if, foreach, local variables) to compute which emit instructions to output at runtime. The node implicit parameter (concept NodeParameter) is always in scope — its type is the concept referenced by conceptDeclaration, giving smodel-typed access to children and references.
The MPS dataflow engine builds a control-flow graph from the emitted instructions, then runs analyses (unreachable code, uninitialised variable reads) on that graph. The engine only traces the paths you declare; if no builder exists for a concept, MPS falls back to delegating all children in declaration order.
code for is delegation, not a call. Never use jump for child delegation. Use EmitCodeForStatement to inline a child's own builder at this point.ifjump semantics: the jump is taken when the condition is FALSE. Use it after code for node.condition to model branching.EmitLabelStatement.name is display-only; jumps reference the label node via LabelPosition.label. Two labels with the same string are still distinct targets.0..1 children with BL if (node.child != null) before emitting code for node.child.write node vs write node.link: use write node (just NodeParameter as the variable expression) when the concept node is the variable being declared. Use write node.link (via SLinkAccess) when the node merely references the variable being written..mps dataflow files. Use MPS MCP node tools.mps_mcp_create_model (moduleName: "<lang>", modelName: "<lang>.dataFlow") if absent. The aspect ID is dataFlow — camelCase, case-sensitive, no @ suffix; spelling it dataflow (lowercase) produces a utility model that MPS will not recognise. See aspect-model-stereotypes.md. Add jetbrains.mps.lang.dataFlow (and transitively jetbrains.mps.baseLanguage) as used languages on the model.DataFlowBuilderDeclaration root node; set conceptDeclaration to the concept being described; give it a name.BuilderBlock child with a body (BL StatementList).EmitCodeForStatement; model branches with EmitIfJumpStatement + EmitLabelStatement; record variable use with EmitReadStatement / EmitWriteStatement; mark exits with EmitRetStatement.BeforePosition/AfterPosition to encode loop-back/exit edges; wrap potentially-unreachable instructions in EmitMayBeUnreachable.mps_mcp_check_root_node_problems. For tricky cases, inspect an existing baseLanguage builder via mps_mcp_print_node with deep: true.mps-model-manipulation — BL + smodel code inside builder bodies (DotExpression, SLinkAccess, NodeParameter, behavior method calls); for a builder body open only references/dot-expression-basics.md in the mps-model-manipulation skill root after loading that companion skill from the same origin.mps-aspect-behavior — for behavior methods called from builders to compute target nodes (e.g. getLoopOrSwitch, getReturnJumpTarget).mps-aspect-typesystem — when the dataflow you emit must agree with type checks.mps-node-editing — generic JSON-blueprint node creation/replacement workflow.Start here — most common case: writing one builder for one concept → read only references/json-patterns.md (the verified blueprint shapes), plus references/concept-catalog.md when you need an exact concept/role name; a builder that validates but analyses wrongly → only references/rules-and-pitfalls.md.
DataFlowBuilderDeclaration, BuilderBlock, every emit statement, every position type, and the abstract bases. See references/concept-catalog.md.mps_mcp_* tools. Includes variable read, single-child delegation, return-with-finally, if/elsif/else, while loop, assignment, variable declaration, break to ancestor, and a custom inverted-condition statement. See references/json-patterns.md.AfterPosition and LabelPosition, or before using modes/IBuilderMode. See references/rules-and-pitfalls.md.IfStatement, WhileStatement, ReturnStatement, BreakStatement, VariableDeclaration, TryFinallyStatement, SwitchStatement, ForStatement, etc. Lists builder names and persistent nodeReferences in r:00000000-0000-4000-0000-011c895902c2. See references/baselanguage-builder-index.md.UnlessStatement_DataFlow). See references/sample-language-reference.md.© JetBrains, Apache-2.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
SKILL.md and 16 other files (references) in .agents/skills/mps-aspect-dataflow of JetBrains/MPS.
Open the folder on GitHubat commit a92f944
Mps Aspect Dataflow next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Mps Aspect Dataflow this skillJetBrains/MPS | 1.7k | — | ~1.9k | Automated safety check: Pass | Apache-2.0 | |
| Doc SyncJetBrains/ideavim | 10k | 2 repos | ~2.6k | Automated safety check: Pass | MIT | |
| ChangelogJetBrains/ideavim | 10k | 1 repos | ~2.7k | Automated safety check: Pass | MIT | |
| Youtrack CommunityJetBrains/intellij-community | 21k | — | ~3.2k | Automated safety check: Notes | Custom licence | |
| Roo Conflict Resolutionzgsm-ai/costrict | 4.4k | — | ~2.3k | Automated safety check: Pass | Apache-2.0 | |
| Extensions API MigrationJetBrains/ideavim | 10k | — | ~1.7k | Automated safety check: Pass | MIT |
JetBrains/ideavim
Keeps IdeaVim documentation in sync with code changes. An agent skill from JetBrains/ideavim.
JetBrains/ideavim
Maintains the IdeaVim changelog (CHANGES.md). An agent skill from JetBrains/ideavim.
JetBrains/intellij-community
YouTrack CLI for a community checkout; the monorepo uses youtrack.
zgsm-ai/costrict
Provides comprehensive guidelines for resolving merge conflicts intelligently using git history and commit context.
JetBrains/ideavim
Migrates IdeaVim extensions from the old VimExtensionFacade API to the new @VimPlugin annotation-based API.
yulonghe97/draw-architecture
Turn any system architecture into an interactive, pannable/zoomable canvas diagram (dark by default with a light switcher, JetBrains Mono, plane-coloured bands, click-to-isolate focus, PNG export) —…
JetBrains/MPS
Analyze an MPS language by name — discover concepts, properties, references, children, aspects (editor/constraints/behavior), and metadata.
JetBrains/MPS
Add, update, or delete MPS nodes using JSON blueprints — covers the unified blueprint format, staged construction for large subtrees, validation, and reference repair.
JetBrains/MPS
Open an MPS project in a running or freshly started MPS instance when MCP tools fail because no project is open (welcome screen), close an open project with mpsmcpcloseproject, or create a new empty…
JetBrains/MPS
Complete JetBrains MPS workflow guide for DSL projects — models, languages, generators, node JSON blueprints, validation, MPS MCP tool usage, and the index of companion skills.
JetBrains/MPS
Structured MPS bugfix workflow driven by a YouTrack issue ID — preflight tool checks, version/branch derivation, parallel-agent problem analysis, solution design, branch creation, implementation…
JetBrains/MPS
Define concepts, interface concepts, enumerations, and constrained data types in an MPS language's structure aspect.
Works with
Categories
A skill your agent uses when defining or debugging MPS dataflow builders for a concept — control/data flow declarations that drive reachability analysis and variable-use checking. Mps Aspect Dataflow is an agent skill from JetBrains/MPS, published by the product's own GitHub organization. Use when defining or debugging MPS dataflow builders for a concept — control/data flow declarations that drive reachability analysis and variable-use checking.
Mps Aspect Dataflow fits situations like: debugging MPS dataflow builders for a concept — control/data flow declarations that drive reachability analysis and variable-use checking.
Run `npx skills add JetBrains/MPS --skill mps-aspect-dataflow -a claude-code`. Or copy the skill folder (.agents/skills/mps-aspect-dataflow in JetBrains/MPS) into .claude/skills/mps-aspect-dataflow in your project. Claude Code loads it when a task matches its description.
Run `npx skills add JetBrains/MPS --skill mps-aspect-dataflow -a codex`. Or copy the skill folder (.agents/skills/mps-aspect-dataflow in JetBrains/MPS) into .agents/skills/mps-aspect-dataflow in your project. Codex loads it when a task matches its description.
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add JetBrains/MPS --skill mps-aspect-dataflow -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/mps-aspect-dataflow, .gemini/skills/mps-aspect-dataflow, .github/skills/mps-aspect-dataflow and .opencode/skills/mps-aspect-dataflow in your project.
SKILL.md names no scripts, command-line tools or credentials: Mps Aspect Dataflow is instructions for the agent only.
SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.
Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.
Mps Aspect Dataflow is published under the Apache-2.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.
About 1.9k tokens (SKILL.md is roughly 7.7k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 9.7k tokens, read only when the agent opens those files.
Skills that share tags, products or a category with Mps Aspect Dataflow: Doc Sync (JetBrains/ideavim, 10k stars), Changelog (JetBrains/ideavim, 10k stars), Youtrack Community (JetBrains/intellij-community, 21k stars) and Roo Conflict Resolution (zgsm-ai/costrict, 4.4k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
JetBrains (a GitHub organization, an official publisher) maintains it in JetBrains/MPS, which has 1,660 GitHub stars. The repository holds 40 skills in this directory. The repository was last updated on October 7, 2026.
Source: JetBrains/MPS on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.