Universal code & logic calculator for AI models: 51 MCP tools across 31 languages. Rust-sandboxed execution with verdicts, sessions, artifacts, exact arithmetic, and verified translation/optimization. No LLM, no gateway, no telemetry: the caller is the model. Apache-2.0.
Latest release v0.13.0 · 21 Sept 2026
2 files for Codex, OpenCode and Claude Code: codecalc AGENTS.md, codecalc CLAUDE.md — 222 tokens loaded in every session.
AGENTS.md A 194 tok CLAUDE.md C 28 tok These files are The-40-Thieves/codecalc's own configuration — they tell Codex, OpenCode and Claude Code how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.