tombi
🦅 TOML Toolkit 🦅
Decision gist · record as of 2026-08-14
Yes. Tombi is actively maintained, has no external dependencies, carries a permissive MIT license, and offers a complete TOML toolkit (formatter, linter, language server) in one package. It's well-positioned in the ecosystem and has seen recent activity. Install it if you work regularly with TOML files and want a unified tool for formatting and validation.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Python 3.10 or later.
- Active maintenance with a recent release (1 day old) and no runtime dependencies.
- Medium install friction due to platform-specific wheels, but pre-built binaries are available for macOS, Linux, Windows, and multiple architectures.
License · maintenance · safety
permissive license (permissive) — Licensed under MIT (permissive), so you can use, modify, and distribute it freely with minimal restrictions.
last release 2026-08-13 (1 days) · last repo commit 2026-08-14 · 1,080 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 406,901 downloads/mo, #6,892 on PyPI
Alternatives
Verify before relying
pip install tombi
# Format a TOML file
tombi format config.toml
# Or use as a language server in your editor- Whether the language server integrates with specific editors (VS Code, Vim, etc.) and what setup is required.
- Performance characteristics on large TOML files or projects with many configuration files.
- Whether linting rules are configurable and what the default rule set covers.
What it is and what it does
Tombi is a TOML toolkit that bundles a formatter, linter, and language server into a single package. It's designed to help developers maintain consistent TOML file formatting and catch common issues in configuration files. The package is actively maintained, recently released, and has no external runtime dependencies, making it straightforward to install and use.
You can invoke Tombi from the command line to format or lint TOML files, or integrate it into your editor as a language server for real-time feedback. It supports modern Python versions (3.10 through 3.14) and is distributed as pre-built wheels across major platforms and architectures, so installation is typically fast and friction-free.
Use it for
- Format TOML configuration files consistently across a project or team.
- Lint TOML files in a CI/CD pipeline to catch syntax errors and style issues before deployment.
- Integrate into an editor or IDE for real-time TOML validation and formatting suggestions.
- Standardize pyproject.toml, Cargo.toml, or other TOML-based config files in development workflows.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes.
Tombi is actively maintained, has no external dependencies, carries a permissive MIT license, and offers a complete TOML toolkit (formatter, linter, language server) in one package. It's well-positioned in the ecosystem and has seen recent activity. Install it if you work regularly with TOML files and want a unified tool for formatting and validation.
Install
tombi on PyPI
Before you install
Active maintenance with a recent release (1 day old) and no runtime dependencies. Medium install friction due to platform-specific wheels, but pre-built binaries are available for macOS, Linux, Windows, and multiple architectures.
Requires Python 3.10 or later.
License in practice
Licensed under MIT (permissive), so you can use, modify, and distribute it freely with minimal restrictions.
Quickstart
pip install tombi
# Format a TOML file
tombi format config.toml
# Or use as a language server in your editorVerify before relying
- Whether the language server integrates with specific editors (VS Code, Vim, etc.) and what setup is required.
- Performance characteristics on large TOML files or projects with many configuration files.
- Whether linting rules are configurable and what the default rule set covers.
Package facts
| License | permissive license permissive |
| Python support | Supports the current Python release >=3.10 |
| Install friction | Medium. Platform-specific wheel |
| Runtime dependencies | None |
| Maintenance | Actively maintained 1 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 406,901 / month, #6,892 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Environment :: ConsoleIntended Audience :: DevelopersLicense :: OSI Approved :: MIT LicenseOperating System :: OS IndependentProgramming Language :: PythonProgramming Language :: Python :: 3Programming Language :: Python :: 3 :: OnlyProgramming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.13Programming Language :: Python :: 3.14Topic :: Software Development :: Build ToolsTopic :: Software Development :: Libraries :: Python ModulesTopic :: Text EditorsTopic :: Text Processing :: MarkupTopic :: Utilities |
Evidence: tombi-1.4.0-py3-none-macosx_10_12_x86_64.whl; tombi-1.4.0-py3-none-macosx_11_0_arm64.whl; tombi-1.4.0-py3-none-manylinux_2_17_armv7l.manylinux2014_armv7l.whl; tombi-1.4.0-py3-none-manylinux_2_17_i686.manylinux2014_i686.whl; tombi-1.4.0-py3-none-manylinux_2_17_ppc64le.manylinux2014_ppc64le.whl; tombi-1.4.0-py3-none-manylinux_2_17_s390x.manylinux2014_s390x.whl; tombi-1.4.0-py3-none-manylinux_2_17_x86_64.manylinux2014_x86_64.whl; tombi-1.4.0-py3-none-manylinux_2_28_aarch64.whl; tombi-1.4.0-py3-none-musllinux_1_2_aarch64.whl; tombi-1.4.0-py3-none-musllinux_1_2_armv7l.whl; tombi-1.4.0-py3-none-musllinux_1_2_i686.whl; tombi-1.4.0-py3-none-musllinux_1_2_x86_64.whl; tombi-1.4.0-py3-none-win32.whl; tombi-1.4.0-py3-none-win_amd64.whl
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