No. 15 of 26 ·SQL Linters and Formatters

Squawk

Web · Windows · Mac · Linux · Android · iPhone · Self-hosted · API · Extension

Freedom report

Two barsScore 5.8

Free tierNo free tier on record
Open codeNo open-source code on record
Runs widely6 of 6 device platforms
DocumentedPlans, terms and facts published

Squawk is ranked #15 of 26 in SQL linters and formatters on Freedom251. It runs on Android, API, Browser extension, iOS, Linux, macOS, Self-hosted, Web, Windows.

Compared on SQL linters and formatters

Supported SQL dialects: PostgreSQL
Automatic fixes: No
Custom rules: No
Editor extensions: Yes
CI/CD integration: Yes
Configuration file: Yes

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The record

Purpose: Squawk is a linter and language server for PostgreSQL migrations and SQL.
Downtime prevention: It checks schema changes for risks that can block database reads or writes.
Migration guidance: Its rules flag schema mistakes, incompatible changes, and migration patterns that can block reads or writes.
Editor support: Squawk provides a language server and a VS Code extension for linting in the editor.
Pull request integration: The GitHub Action can lint modified SQL migrations on pull requests.
GitHub comments: Squawk can comment on GitHub pull requests through its upload-to-github command or a GitHub App.
Other CI: The docs recommend configuring Squawk as a GitHub App when running outside GitHub Actions, with CircleCI as an example.
Ways to install: The project documents installation through npm, PyPI, direct release binaries, Docker, a browser playground, and VS Code.
Browser playground: The playground uses a WebAssembly build to lint SQL in the browser.
Rule configuration: Users can include or exclude rules, set a PostgreSQL version, and configure whether SQL files are assumed to run in transactions.
Opt-in rules: Some rules are disabled by default and must be enabled with an include option or configuration setting.
GitHub App permissions: The GitHub App setup guide specifies Pull Requests write permission so Squawk can comment on pull requests.
Platform binaries: The releases page lists macOS (darwin) and Linux binaries as well as VS Code extension packages.
Support route: The website links to GitHub Help for support.

Where it ranks on Freedom251

Best SQL Linters and Formatters in 2026#15 of 26

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Sources

squawkhq.com· checked 3 Oct 2026
squawkhq.com/docs/· checked 3 Oct 2026
squawkhq.com/docs/github_app· checked 3 Oct 2026
squawkhq.com/docs/cli· checked 3 Oct 2026
github.com/sbdchd/squawk/releases· checked 3 Oct 2026
squawkhq.com/docs/rules· checked 4 Oct 2026