Model Context Protocol · JetBrains/MPS

Analyze an MPS language by name — discover concepts, properties, references, children, aspects (editor/constraints/behavior), metadata, and answer type questions (is A a subtype of B, common…

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, type queries, 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.

JetBrains/MPS

A skill your agent uses when authoring or modifying MPS IDE plugins — code that integrates with the MPS / IntelliJ host IDE shell.

JetBrains/MPS

Re-runnable measurement loop for agent-driven JetBrains MPS work over mpsmcp tools — baseline headless worker runs on fixed scenarios, server call log + transcripts, hotspot ranking, remedy…

JetBrains/MPS

Wire MPS module and model dependencies, used languages, used devkits, extended languages, runtime solutions, accessory models, and language/dependency versions.

JetBrains/MPS

A skill your agent uses when defining or editing MPS intentions (the Alt+Enter context-action aspect) — adding IntentionDeclaration roots, parameterized or surround-with variants…

JetBrains/MPS

A skill your agent uses when authoring or debugging MPS migration scripts that upgrade user models after a language definition changes — covers jetbrains.mps.lang.migration (MigrationScript…

JetBrains/MPS

A skill your agent uses when authoring or debugging MPS TextGen — concept-to-plain-text serialisation for languages whose final output is text (source files, config, scripts, DDL, XML, markdown).

JetBrains/MPS

Author and edit MPS jetbrains.mps.baseLanguage (Java) nodes — choose between the Java parser and JSON AST blueprints, map Java syntax to baseLanguage concepts/roles, harvest persistent member…

JetBrains/MPS

Create and execute IDE run configurations for MPS root nodes via MPS MCP — Java Application for IMainClass / ClassConcept with main, JUnit Tests for ITestCase.

JetBrains/MPS

A skill your agent uses when writing or modifying tests inside MPS @tests models — NodesTestCase (typesystem, constraints, scopes, dataflow, generator output), EditorTestCase (intentions, actions…

JetBrains/MPS

Create or refresh project-local DSL skills under .agents/skills/<dsl-name-dsl/ for one or more MPS languages after discovering concepts, sandbox examples, JSON blueprints, references, or gotchas.

JetBrains/MPS

Investigate inheritance between MPS languages and between concepts — extended languages, superconcepts, implemented interfaces, sub-/assignable concepts, and cross-language specialization.

JetBrains/MPS