jsonlogic

A pure Java implementation of JsonLogic without using the Nashorn JS engine

A Streamlit component to build a condition tree

A fast JSONLogic rules engine: one Rust core with official bindings for Node.js, Python, Go, Java, .NET, PHP, and the browser (WASM), plus a React visual debugger.

Simple, configurable react query builder

Blockly based editor for JSONLogic structures.

A native Swift JsonLogic implementation. This parser accepts JsonLogic rules and executes them.

Agents can't skip steps: an MCP server that runs gated, API-only stepfiles on the client's own model.

Golang implementation of JsonLogic (jsonlogic.com)

Convert rules between json-rules-engine, JsonLogic, json-logic-engine, filtrex, jexl, expr-eval, expression-eval and Casbin matchers. Any-to-any through one canonical IR, Rust-style Result API, zero runtime dependencies.

The declarative runtime for AI agents, workflows, microservices, and event processing.

Build complex rules, serialize them as JSON, and execute them in JavaScript

JSON Logic to SQL Transpiler

Build complex rules, serialize them as JSON, and execute them in GO

JsonLogic skill for AI coding agents: generate, validate, run and debug JsonLogic rules. Claude Code, Cursor, Copilot, Codex, Gemini CLI. JSON logic playground, editor, validator, tester and evaluator: turn business rules into JSON. Works with JSON logic engines for JavaScript/npm, Python, Java, .NET/C#, PHP, Ruby, Go. JSON rules engine examples.

Customized Query Builder for creating Rules and Groups

An implementation of the json-logic rule parser using Kotlin and the Nashorn ScriptEngine

Additional tools for json-logic-js-jit

Build complex rules and execute them in ruby. json-logic is a ruby implementation for JsonLogic.

A TypeScript MCP server for Obsidian supporting vault operations, graph analytics, advanced search, and semantic tools.

Test suite for Compatibility check & benchmarking