cargo-metadata

Output workspace and dependency metadata as JSON

TLDR

Output project metadata

$ cargo metadata

Output with format version

$ cargo metadata --format-version 1

Without dependencies

$ cargo metadata --no-deps

Filter to specific features

$ cargo metadata --features [feature1,feature2]

Pretty print JSON

$ cargo metadata --format-version 1 | jq .

SYNOPSIS

cargo metadata [options]

DESCRIPTION

cargo metadata outputs JSON to stdout containing information about workspace members, resolved dependencies, and build configuration. Useful for tooling and IDE integration.

PARAMETERS

--format-version version

Schema version (use 1 for stability)

--no-deps

Skip dependency resolution (faster, workspace only)

--features features

Enable specified features

--all-features

Enable all features

--no-default-features

Disable default features

--filter-platform triple

Filter to specified platform

--manifest-path path

Path to Cargo.toml

-v, --verbose

Verbose output

-q, --quiet

Suppress log messages

OUTPUT FIELDS

packages

Array of all packages and dependencies

workspace_members

Package IDs of workspace members

workspace_root

Absolute path to workspace root

target_directory

Path to build output directory

resolve

Dependency resolution graph

version

Schema version number

INSTALL

sudo apt install cargo

sudo dnf install cargo

sudo apk add cargo

sudo zypper install cargo

nix profile install nixpkgs#cargo

CAVEATS

Output format may change between Cargo versions. Always use --format-version for scripts. The cargo_metadata crate provides Rust parsing.

RESOURCES

Source code · Documentation