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#json-schema

Every repository in the public record carrying this tag — from its GitHub topics or the keywords its package registries publish. Health is measured under the same versioned methodology as the rest of the record.

238 records
Tagged “json-schema”Ranked by health index
npm
83Excellenthealth index
ajv-validator/ajv
The fastest JSON schema Validator. Supports JSON Schema draft-04/06/07/2019-09/2020-12 and JSON Type Definition (RFC8927)
TypeScript★ 14.8K↓ 1.4B/moSep 16, 2026
MITSep 16, 2026 · metrics 2.10.0
npm
83Excellenthealth index
ata-core/ata-validator
JSON Schema validator for Draft 2020-12, draft 7 and the v1 dialect. Compiles schemas to plain JavaScript on first use, falls back to an interpreter where code generation is blocked, and points at the line that failed. No required binaries.
JavaScript · C++★ 363↓ 9,687/moSep 13, 2026
MITSep 13, 2026 · metrics 2.10.0
npm
83Excellenthealth index
camunda/element-templates-json-schema
JSON Schema for (Camunda) Element Templates
JavaScript★ 9↓ 166.6K/moSep 12, 2026
No licenseSep 12, 2026 · metrics 2.10.0
NuGet · npm
83Excellenthealth index
corvus-dotnet/Corvus.JsonSchema
Support for Json Schema validation and entity generation
C#★ 197Aug 26, 2026
Apache-2.0Aug 26, 2026 · metrics 2.10.0
Go
83Excellenthealth index
giantswarm/schemalint
A JSON schema linter built for some specific purposes at Giant Swarm
Go★ 14Sep 19, 2026
Apache-2.0Sep 19, 2026 · metrics 2.10.0
Go
83Excellenthealth index
omissis/go-jsonschema
A tool to generate Go data types from JSON Schema definitions.
Go★ 806Sep 20, 2026
MITSep 20, 2026 · metrics 2.10.0
npm · Go
81Excellenthealth index
mitre/hdf-libs
Heimdall Data Format (HDF) is a standardized JSON schema for representing security assessment baselines and results across diverse tools and platforms.
Go · TypeScript★ 3↓ 6,038/moOct 22, 2026
Custom licenseOct 22, 2026 · metrics 2.10.0
npm
81Excellenthealth index
networknt/react-schema-form
react form based on json schema for form generation and validation
JavaScript★ 356↓ 2,239/moSep 14, 2026
MITSep 14, 2026 · metrics 2.10.0
npm
80Excellenthealth index
Authress-Engineering/openapi-explorer
OpenAPI Web component to generate a UI from the spec.
JavaScript★ 352↓ 44K/moSep 11, 2026
Apache-2.0Sep 11, 2026 · metrics 2.10.0
crates.io · RubyGems
80Excellenthealth index
GREsau/schemars
Generate JSON Schema documents from Rust code
Rust★ 1,411↓ 77.3M/moSep 16, 2026
MITSep 16, 2026 · metrics 2.10.0
npm
80Excellenthealth index
TightknitAI/slack-block-kit-validator
JSON Schema (draft 2020-12) and validation helpers for Slack Block Kit payloads.
TypeScript★ 5↓ 11K/moSep 15, 2026
MITSep 15, 2026 · metrics 2.10.0
crates.io · npm
80Excellenthealth index
YuniqueUnic/schemaui
schemaui turns JSON Schema documents into fully interactive terminal UIs powered by ratatui, crossterm, and jsonschema. The library parses rich schemas (nested sections, $ref, arrays, key/value maps, pattern properties…) into a navigable form tree, renders it as a keyboard-first editor, and validates the result after every edit
Rust · TypeScript★ 95↓ 18.4K/moOct 20, 2026
MITOct 20, 2026 · metrics 2.10.0
crates.io
80Excellenthealth index
drivercraft/ostool
Rust构建OS的工具集
Rust★ 13↓ 85.9K/moSep 10, 2026
MITSep 10, 2026 · metrics 2.10.0
crates.io · npm
80Excellenthealth index
gpu-cli/openapi-to-rust
OpenAPI generator for Rust: typed models, async Reqwest/SSE clients, and Axum server scaffolding for OpenAPI 3.0/3.1.
Rust★ 35↓ 12.6K/moSep 13, 2026
MITSep 13, 2026 · metrics 2.10.0
npm
80Excellenthealth index
jdutton/vibe-agent-toolkit
Toolkit for testing and packaging portable AI agents across various LLMs, frameworks, and deployment targets
TypeScript★ 2↓ 155.7K/moSep 8, 2026
MITSep 8, 2026 · metrics 2.10.0
npm · PyPI · Go
80Excellenthealth index
leji-org/leji
The open specification for the shared context layer of AI-native teams
TypeScript · Go · Python★ 5↓ 2,163/moSep 20, 2026
Custom licenseSep 20, 2026 · metrics 2.10.0
npm
80Excellenthealth index
runtime-env/runtime-env
Build once, deploy anywhere. Framework agnostic environment variables generator and validator
TypeScript★ 49↓ 39.1K/moSep 15, 2026
MITSep 15, 2026 · metrics 2.10.0
Packagist · npm
80Excellenthealth index
sunchayn/nimbus
Nimbus automatically analyzes your routes and validation rules to build interactive request schemas and a native interface for testing and exploring your APIs
PHP · TypeScript · Vue★ 345↓ 8,538/moOct 21, 2026
MITOct 21, 2026 · metrics 2.10.0
npm
78Goodhealth index
remcohaszing/monaco-yaml
YAML support for Monaco Editor
TypeScript · JavaScript★ 331↓ 1.9M/moAug 27, 2026
MITAug 27, 2026 · metrics 2.10.0
npm · PyPI · RubyGems +1
78Goodhealth index
tradik/schema-resume
JSON Schema for CV/Resume parsing and validation. Self-hosted with JSON-LD, Schema.org integration, online validator, converter tools, and XML support.
JavaScript · XSLT · HTML★ 8↓ 333/moSep 13, 2026
MITSep 13, 2026 · metrics 2.10.0
crates.io · npm · Go
78Goodhealth index
trustoverip/dtgwg-trust-tasks-tf
Trust Tasks - Transport Agnostic protocol for managing Tasks
Rust · Dart · TypeScript★ 5↓ 82.3K/moOct 20, 2026
Custom licenseOct 20, 2026 · metrics 2.10.0
npm · PyPI · Go +1
78Goodhealth index
wn-mitch/40kdc-data
Community-owned data schemas for Warhammer 40,000 developer tooling
TypeScript · Rust · Python★ 29↓ 5,782/moSep 10, 2026
Custom licenseSep 10, 2026 · metrics 2.10.0
npm
77Goodhealth index
AlexandrBukhtatyy/ReFormer
No repository description published.
TypeScript★ 2↓ 5,394/moSep 13, 2026
MITSep 13, 2026 · metrics 2.10.0
Go
77Goodhealth index
DebanganThakuria/narad
Lightweight, durable, queue-first event streaming system.
Go★ 4Sep 10, 2026
Apache-2.0Sep 10, 2026 · metrics 2.10.0
npm
77Goodhealth index
Plasius-LTD/schema
Entity schema definition & validation helpers for Plasius ecosystem
TypeScript · JavaScript★ 1↓ 2,443/moOct 21, 2026
Apache-2.0Oct 21, 2026 · metrics 2.10.0
PyPI
77Goodhealth index
alesanGreat/QZX-Quick-Zap-Exchange
QZX by Alejandro Sánchez: cross-platform commands and structured JSON for AI agents; reference implementation of QZX Result Contract v1 with MCP 2025-06-18 to 2026-07-28 interoperability profiles.
Python★ 1↓ 2,200/moOct 9, 2026
Apache-2.0Oct 9, 2026 · metrics 2.10.0
npm
77Goodhealth index
amritk/mjst
More JSON Schema Tools
TypeScript★ 0↓ 108.1K/moSep 8, 2026
MITSep 8, 2026 · metrics 2.10.0
npm
77Goodhealth index
basou-dev/basou
Provenance layer for AI agent sessions — record, replay, and reason about Claude Code (and other agent) work.
TypeScript★ 2↓ 17.6K/moOct 20, 2026
Apache-2.0Oct 20, 2026 · metrics 2.10.0