What works for me is to press Ctrl-Alt-S and go to settings, navigate to the JSON Schemas Tab, not change anything and just select OK, changes to my schema always seem to reflect right after I do that.

June 30, 2026 - Reports inconsistencies between a YAML file and a JSON Schema if the schema is specified. ... Can be used to locate inspection in e.g. Qodana configuration files, where you can quickly enable or disable it, or adjust its settings.

Specify the Schema Specification version with which your Schema complies. Create a list of files or folders that you want to be validated against this Schema. Based on the list, IntelliJ IDEA internally detects the files to be validated.

{ "$schema": "../../../../node_modules/nx/schemas/project-schema.json" } That schema-file exists, but IntelliJ does not validate the file.

Then select "Languages & Frameworks" » "Schemas and DTDs" » "JSON Schema Mappings". Click the "+" button at the top to add a new JSON schema configuration. Then fill in the corresponding name, file or URL, and version. Then click the "+" button at the bottom and define which file(s) should be validated using the JSON schema.

This, of course, would require adding all .json files explicitly... In the next update, where https://youtrack.jetbrains.com/issue/WEB-35493 is fixed, you won't have such issues, as schema with"$schema" property won't be mapped to itself

January 3, 2026 - Next, we create a new class extending JsonSchemaFileProvider to provide our schema to the IDE. But that interface we are extending is not part of the standard IntelliJ API, but is an additional plugin that we need to declare as a build dependency in the Gradle configuration (despite its name, it's not a module but a plugin):

This guide walks you through the process of adding a JSON Schema validator in IntelliJ to enhance your JSON file validation and auto-completion.

April 15, 2012 - Polyaxon provides a JSON Schema that enables validation of YAML resources in your IntelliJ IDEA (PyCharm, …) IDE.

November 16, 2018 - IntelliJ (and IntelliJ based IDEs) can validate YAML https://www.jetbrains.com/help/idea/json.html https://www.jetbrains.com/help/pycharm/json.html This feature works to validate JSON or YAML.

April 27, 2020 - I'm using a product that has a ... to have schema validation and code completion. ... Yes, it it possible. Please check corresponding documentation topics for JSON and YAML. ... Andrey, the second link directs to rubyMine. Is the yaml validation available in other Jetbrains products, like IntelliJ...

You can map the Workflows JSON schema for the IntelliJ IDEA editor by adding an entry to jsonSchemas.xml. Adding syntax validation to your continuous integration, delivery, and deployment (CI/CD) processes helps to reduce errors during integration, testing, delivery, and deployment.

Reports inconsistence between a JSON file and the JSON schema that is assigned to it. ... Can be used to locate inspection in e.g. Qodana configuration files, where you can quickly enable or disable it, or adjust its settings.

August 24, 2023 - The JSON Schema, a distinctive style for specifying the shape and contents of such files, gives the IntelliJ idea code crowning glory in common configuration file formats. Additionally, you might utilise unique JSON Schemas to validate and permit complete code on your JSON documents.

March 22, 2016 - JSON files are validated against schemas, errors are shown directly in the editor as inspections warnings - for example, you will see errors if required properties are missing, incorrect types being used, etc.

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IntelliJ IDEA Community Edition & IntelliJ Platform - intellij-community/json/src/com/jetbrains/jsonSchema/impl at master · JetBrains/intellij-community

September 16, 2025 - The validator thinks ALL uses of “description” must be only a string. When we can't use such a common property as “description” in our JSON files but only in the Schema there's a problem. This is a BIG bug. ... { "$schema": "https://json-schema.org/draft/2019-09/schema", "type": "string", "enum": [ "ONE" ] } IntelliJ IDEA 2025.2.5 (Ultimate Edition) Build #IU-252.28238.7, built on November 19, 2025 Source revision: 7059016f3609e Runtime version: 21.0.9+10-b1038.76 aarch64 (JCEF 122.1.9) VM: OpenJDK 64-Bit Server VM by JetBrains s.r.o.