Context Engineering for Large Language Model Agents R package saber version 0.7.2 Context-engineering primitives for Artificial Intelligence (AI) coding agents working in R. Assembles agent context from memory and instruction files ('AGENTS.md', 'CLAUDE.md'), traces function call blast radius across projects, generates project briefings, parses source into Abstract Syntax Tree (AST) symbol indices, discovers dependency graphs, and introspects installed packages. Zero dependencies. Software Depends: R (>= 4.4.0) Suggests: tinytest Troy Hernandez <troy@cornball.ai> Comprehensive R Archive Network (CRAN) Troy Hernandez [aut, cre] (ORCID: <https://orcid.org/0009-0005-4248-604X>), cornball.ai [cph] Apache License (>= 2) 2026-06-25 application/tgz https://CRAN.R-project.org/package=saber doi:10.32614/CRAN.package.saber