Clippy
Clippy: A deeply configurable Rust linter with more than 800 checks and CI support. Ranked #6 of 33 in Linters by our editors (8.6/10); pricing: Open source; best for rust developers seeking extensive lint coverage.
At a glance
- Editor score8.6 / 10
- PricingOpen source
- Best forRust developers seeking extensive lint coverage
- Paid fromFree
- CI supportYes
- Facts checked21 Sep 2026
Where it wins
- More than 800 lints across correctness, style, performance, and more
- Runs with Cargo or clippy-driver for non-Cargo projects
- Supports configuration, workspace checks, autofix, and CI enforcement
Where it doesn't
- Supports Rust rather than multiple programming languages
- Autofix applies only to supported lint suggestions
- Integrations focus on Rustup, Cargo, and rust-analyzer
Our verdict on Clippy
Clippy is an open-source Rust linter for developers and teams that want automated checks for common mistakes and idiomatic improvements. It analyzes Cargo projects through the cargo clippy subcommand and can also run through clippy-driver for projects that do not use Cargo. Its lint groups cover correctness, suspicious code, style, complexity, performance, pedantic, restriction, nursery, and Cargo checks, giving Rust-focused projects a wide set of code-quality controls.
Clippy is distributed as part of the Rust toolchain or installed through rustup, with no commercial tier structure to evaluate. Configuration can be set through source attributes, command-line flags, Cargo.toml, and clippy.toml. Teams can also target workspaces or individual packages, then enforce standards in continuous integration by treating warnings as errors. The --fix option automatically applies some supported lint suggestions, while other findings require developer review and changes.
Its ecosystem fit is strongest inside the Rust toolchain: integrations include Rustup, Cargo, and rust-analyzer. That focus suits Rust projects seeking detailed lint coverage without adding a separate commercial service, but it is less suitable for teams that need one linter across multiple languages or a broader integration catalog. Choose Clippy when Rust-specific correctness, style, performance, and manifest checks matter; consider an alternative when multi-language analysis or wider platform coverage is the priority.
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Clippy pricing
Clippy fact sheet
| Free plan | Not verified |
|---|---|
| Paid from | Free |
| Languages supported | 1 |
| Autofix | Yes |
| Custom rules | No |
| Security rules | Yes |
| IDE support | Ide |
| CI support | Yes |
| Deployment | Desktop |
| Platforms | Windows, macOS, Linux |
| Support | Docs, Community |
| Built for | Solo, Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 3 integrations: Cargo, rustup, rust-analyzer |
| Pricing | Open source |
| Website | doc.rust-lang.org |
| Facts checked | 21 Sep 2026 |
Clippy integrations
Clippy lists 3 integrations on its own site.
- Cargo
- rustup
- rust-analyzer
Alternatives to Clippy
- ESLintA free, extensible JavaScript linter with autofix, plugins, and broad developer-tool integrations.9.4
- RuffFree Python linting and formatting with more than 900 built-in rules.9.2
- ShellCheckA free, open-source linter for shell syntax, portability, robustness and security checks.9.0
Clippy vs the competition
- Clippy vs ESLint
- Clippy vs Ruff
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Compare Clippy with any tool side by side →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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