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.

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

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

JSON Logic to SQL Transpiler

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

Customized Query Builder for creating Rules and Groups

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

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

Additional tools for json-logic-js-jit

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

Test suite for Compatibility check & benchmarking

Work with JsonLogic business rules — the JSON-based conditional-logic format at jsonlogic.com. Use whenever the user wants to turn a business requirement into a JsonLogic rule, needs an existing JsonLogic expression explained or debugged, asks whether a rule is valid, wants to execute JsonLogic in a specific language (JavaScript, TypeScript, Python