keywords:data-transformation

json-rest-schema

A flexible and extensible schema validation library for JavaScript objects, designed for REST APIs and beyond. Features include type casting, data transformation, and a pluggable architecture for custom rules.

mercmobily

published version 1.0.16, a month ago13 dependents licensed under $(GPL-3.0-only OR MIT)

6,218

csv-mcp

A Model Context Protocol (MCP) server for powerful CSV file operations - read, write, query, transform, analyze CSV data with formulas and charts.

nitaiaharoni1

published version 1.4.0, 8 months ago0 dependents licensed under $MIT

4,293

morphos

JSON-to-JSON mapper with user-defined JSON mapping specs, plain JS transformation expressions, and isolated VM execution.

snatalenko

published version 2.0.0-beta.1, 17 days ago0 dependents licensed under $Apache-2.0

2,945

@doeixd/csv-utils

Utilities for csv files / arrays of objects

doeixd

published version 2.3.4, 4 months ago0 dependents licensed under $MIT

3,261

declarative-mapper

Declarative JSON data transformation and object mapping library for JavaScript/TypeScript with mapping templates, schema-based helpers, and safe VM execution.

GitHub Actions

published version 1.7.2, 3 months ago0 dependents licensed under $Apache-2.0

1,455

@filefeed/sdk

Official TypeScript SDK for FileFeed API - seamlessly integrate file processing, data transformation, and pipeline management

sftpsync-api

published version 2.4.0, 5 days ago1 dependents licensed under $MIT

754

@outburn/format-converter

A TypeScript library for converting between various data formats including CSV, XML, HL7 v2, and JSON with specialized healthcare message parsing

GitHub Actions

published version 2.0.1, 4 months ago2 dependents licensed under $MIT

849

@jinaga/cascade-core

Incremental, event-driven data pipeline system for Jinaga Cascade

GitHub Actions

published version 0.10.0, 12 days ago0 dependents licensed under $MIT

604

@basd/encoder

Provides a convenient way to define models and their associated fields for encoding and decoding various data formats.

basedwon

published version 0.0.6, 3 years ago1 dependents licensed under $MIT

716

@bernierllc/data-transformer

Generic schema mapping execution for JSON/API data transformation

GitHub Actions

published version 0.8.0, 25 days ago1 dependents licensed under $SEE LICENSE IN LICENSE

696

node-es-transformer

Stream-based library for ingesting and transforming large data files (CSV/JSON) into Elasticsearch indices. Supports ES 8.x and 9.x with cross-version reindexing.

GitHub Actions

published version 1.2.2, 3 months ago1 dependents licensed under $Apache-2.0

298

@tehw0lf/n8n-nodes-toon

n8n node for TOON (Token-Oriented Object Notation) format conversion - bidirectional conversion between TOON and JSON with zero external dependencies

GitHub Actions

published version 1.3.1, 11 days ago0 dependents licensed under $MIT

560

castium

A lightweight and chainable utility for effortless data type conversation in JavaScript and Node.js

amindasoomi

published version 1.0.30, a month ago0 dependents licensed under $MIT

547

@mcabreradev/filter

A powerful, SQL-like array filtering library for TypeScript and JavaScript with advanced pattern matching, MongoDB-style operators, deep object comparison, and zero dependencies

mcabreradev

published version 5.10.1, 3 months ago1 dependents licensed under $MIT

271

declarative-based-flow

Build complex, structured workflows using a declarative and fluent TypeScript syntax. Perfect for ETL pipelines, data validation, and business process automation.

GitHub Actions

published version 0.2.0, 20 days ago0 dependents licensed under $MIT

246

goldenflow

Data transformation toolkit — standardize, reshape, and normalize messy data. TypeScript port of the goldenflow Python library.

benzsevern

published version 0.3.0, 19 days ago1 dependents licensed under $MIT

366

goldenpipe

Golden Suite orchestrator — chains GoldenCheck, GoldenFlow, and GoldenMatch into one adaptive pipeline. TypeScript port of the goldenpipe Python library.

benzsevern

published version 0.2.0, 19 days ago0 dependents licensed under $MIT

293

@ticatec/app-data-manager

A comprehensive TypeScript library providing hierarchical data manager classes for CRUD operations, pagination, and data management in frontend applications. Features include full list, paged, and stackable data managers with built-in caching and transfor

henry.feng

published version 2.0.0, 24 days ago0 dependents licensed under $MIT

293

chartforge-data-mcp

MCP server for data preparation and transformation — parse CSV/JSON, clean datasets, compute aggregations, detect outliers, pivot tables, and prepare data for chart visualization with ChartForge