Chepy is a python lib/cli equivalent of the awesome CyberChef tool.
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Updated
Apr 27, 2026 - Python
Chepy is a python lib/cli equivalent of the awesome CyberChef tool.
Toonify: Compact data format reducing LLM token usage by 30-60%
A Python API for working with Neurodata stored in the NWB Format
🔥 Token-efficient JSON alternative for LLMs & agentic AI — same data, fewer tokens. Python · JS/TS · Rust · Go · C++
Python API for geoh5, an open file format for geoscientific data
Data formats for gamma-ray astronomy
The welding data exchange format
Python modules and scripts for working with Concrete, a data serialization format for NLP
A simple utility that converts SPSS data to / from Pandas DataFrames, CSV, Excel, JSON, YAML, and dict.
A pure Python reader for the EnSight Gold format
Token-Oriented Object Notation (TOON) is an LLM-optimized data serialization format implemented in Python.
Examples of (mostly) real world NeXus files to inspect, test and train reading software with.
Python implementation with Rust backend of TOON
Implementations of flask response in many formats like: json, xml, html...
A collection-based format for serving clean, structured web content to AI training systems and search engines through pre-generated collections.
🚚 DESHIMA merge code for observed datasets
Prim is an AI-native file format: a self-contained, evidence-first pack of knowledge that agents and humans share. Store the concept, generate the files. Category spec, family map, registry and SDK.
Semantic Data Interchange Format. Compact, canonicalizable structured data for AI and deterministic workflows.
A Python library for reading and writing European Data Format (EDF) files
HTML templating helper functions written in a Continuation-Passing Style for JavaScript, Python, and Ruby
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