Changelog

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All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[0.2.0] - 2025-12-05

Added

  • Introspection operations (keys, typeof) for exploring data structure
  • New operations: sort_by, min_by, max_by for better data manipulation
  • PtcRunner.format_error/1 for LLM-friendly error messages
  • Explore mode for schema discovery (see demo app)

[0.1.0] - 2025-12-03

Initial release of PtcRunner - a BEAM-native Elixir library for Programmatic Tool Calling (PTC).

Features

  • JSON-based DSL for safe program execution
  • Sandboxed interpreter with configurable timeout and memory limits
  • Built-in operations: arithmetic, comparison, collection, string, and logic
  • Tool registry for user-defined functions
  • JSON Schema generation for LLM structured output
  • Comprehensive validation with helpful error messages