Cargo.toml Validator

Validate Rust Cargo.toml manifest files for structural correctness, dependency hygiene, feature configuration, workspace setup, and crates.io publishing readiness. Uses Python 3.11+ tomllib for native TOML parsing — no external dependencies.

Commands

validate — Full validation with all rules

python3 scripts/cargo_toml_validator.py validate Cargo.toml
python3 scripts/cargo_toml_validator.py validate Cargo.toml --strict
python3 scripts/cargo_toml_validator.py validate Cargo.toml --format json

check — Quick check (errors and warnings only)