Comparison

ast-grep vs Clippy

No leader: the top candidate Clippy has only 0.31 confidence (low), below the 0.35 needed to declare a winner. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

ast-grep full profile →Clippy full profile →

Machine formatsJSON Markdown GraphQLor send Accept: application/json

ast-grep60

Clippy66

Attribute comparison across 2 tools
Attribute	ast-grep	Clippy
Vioscale score	60 / 100low · 45%updating	66 / 100low · 31%updating
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	commercial	open_source
Price levelpricing.price_level	free	free
Security
Scorecardsecurity.scorecard	-	7.1
Vulnerabilitiessecurity.vulnerabilities	Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=%40ast-grep%2Fnapi&per_page=100 · Last 12m: 0	Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=cargo&package_name=rustc-ap-rustc_lexer&per_page=100 · Last 12m: 0
Adoption
Dependent reposadoption.dependent_repos	177	256
Github starsadoption.github_stars	15,649	116,179
Activity
Commits last 30dactivity.commits_last_30d	49	100
Release
Cadence daysrelease.cadence_days	14	30
Historyrelease.history	20 items	20 items
License
Spdxlicense.spdx	MIT	Apache-2.0
Language
Primarylanguage.primary	Rust	Rust

Score

Vioscale score

ast-grep60 / 100low · 45%updating

Clippy66 / 100low · 31%updating

Pricing

Free tier

ast-grep✓

Clippy✓

Model

ast-grepcommercial

Clippyopen_source

Price level

ast-grepfree

Clippyfree

Security

Scorecard

ast-grep–

Clippy7.1

Vulnerabilities

ast-grepCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=%40ast-grep%2Fnapi&per_page=100 · Last 12m: 0

ClippyCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=cargo&package_name=rustc-ap-rustc_lexer&per_page=100 · Last 12m: 0

Adoption

Dependent repos

ast-grep177

Clippy256

Github stars

ast-grep15,649

Clippy116,179

Activity

Commits last 30d

ast-grep49

Clippy100

Release

Cadence days

ast-grep14

Clippy30

History

ast-grep20 items

Clippy20 items

License

Spdx

ast-grepMIT

ClippyApache-2.0

Language

Primary

ast-grepRust

ClippyRust

Capabilities

Feature-by-feature on the axes that matter for code quality tools. “-” means undocumented, not absent.

Capability comparison for Code Quality Tools
Capability	ast-grep	Clippy
Core
Function	Static analyzer	Linter
Language scope	Multi-language	Single-language
Implementation language	Rust	Rust
Capability
Autofix	✓	-
Config
Config model	Rule packs	-
Extensibility
Custom rules	✓	-
Deployment
Deployment	CLI-local	CLI-local
Delivery
Editor integration	✓	-
CI / VCS gating	-	-
Insight
Code metrics	-	-
Performance
Incremental / monorepo aware	-	-
Licensing
Open-source	OSS	OSS
Commercial
Pricing model	Free	Free

Core

Function

ast-grepStatic analyzer

ClippyLinter

Language scope

ast-grepMulti-language

ClippySingle-language

Implementation language

ast-grepRust

ClippyRust

Capability

Autofix

ast-grep✓

Clippy-

Config

Config model

ast-grepRule packs

Clippy-

Extensibility

Custom rules

ast-grep✓

Clippy-

Deployment

ast-grepCLI-local

ClippyCLI-local

Delivery

Editor integration

ast-grep✓

Clippy-

CI / VCS gating

ast-grep-

Clippy-

Insight

Code metrics

ast-grep-

Clippy-

Performance

Incremental / monorepo aware

ast-grep-

Clippy-

Licensing

Open-source

ast-grepOSS

ClippyOSS

Commercial

Pricing model

ast-grepFree

ClippyFree

What each one is

The product in its own terms, so the numbers below have context.

ast-grep

A structural code search and rewriting tool that uses AST analysis to locate and modify code patterns across thousands of files, with support for linting and programmatic access via Node.js bindings.

Independently observed

Clippy

Clippy provides over 800 lints organized into configurable categories to catch common mistakes and improve Rust code quality. Lints are categorized by severity (correctness, suspicious, style, complexity, performance) and can be enabled or disabled individually.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

ast-grep

Open sourceFree tier

as of 2026-08-14verify ↗

Clippy

Open source

as of 2026-08-14verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platform and deployment support comparison
Supports	ast-grep	Clippy
CLIPlatforms	✓	✓
Self-hostedDeployment	✓	-

Platforms

CLI

ast-grep✓

Clippy✓

Deployment

Self-hosted

ast-grep✓

Clippy–

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.