Comparison

Foundry vs Slither

On the evidence we track, Foundry leads this comparison with a composite score of 60/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
★Foundry60
Slither38
Score
vioscaleAI score
Foundry60 / 100high · 75%
Slither38 / 100high · 77%
Pricing
Free tier
Foundry✓
Slither–
Model
Price level
Foundryfree
Slitherfree
Integrations
Count
Foundry3
Slither9
Reliability
Status page
Foundry✓
Slither–
Adoption
Dependent repos
Foundry1
Slither186
Github stars
Foundry10,662
Slither6,378
Activity
Commits last 30d
Foundry100
Slither0
Release
Cadence days
Foundry1
Slither68
History
Foundry20 items
Slither20 items
License
Spdx
FoundryApache-2.0
SlitherAGPL-3.0
Language
Primary
FoundryRust
SlitherPython
Market
Availability
Foundry–
Content
Faq
Foundry4 items
Slither5 items

Capabilities

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

Capabilities
Tooling type
FoundryFramework
SlitherSecurity analysis
Evm compatible only
Foundry✓
Slither-
Local dev network
Foundry✓
Slither-
Native fuzzing invariant testing
Foundry✓
Slither-
Mainnet forking
Foundry✓
Slither-
Contract verification integration
Foundry✓
Slither-
Trace debugger
Foundry✓
Slither-
Gas profiling
Foundry✓
Slither-
Archive node access
Foundry-
Slither-
Graphql indexing
Foundry-
Slither-
Static analysis security tool
Foundry✓
Slither✓
Open source
Foundry✓
Slither✓
Maintenance status
FoundryActive
Slither-

What each one is

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

Foundry

Leader

A Rust-based toolkit for building, testing, debugging, and deploying smart contracts on Ethereum networks

Independently observed

Slither

Detects issues in Solidity and Vyper smart contracts using static analysis, providing visual reports and a custom analysis API for security assessment.

Independently observed

Pricing

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

Foundry

Leader
Open sourceFree tier
as of verify ↗

Slither

Open source
as of verify ↗

Platform & deployment

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

Platforms
Linux
Foundry✓
Slither✗
CLI
Foundry✓
Slither✓
Deployment
Self-hosted
Foundry✓
Slither✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Foundry

Leader
3 total
  • Slither
  • Aderyn
  • Solar
Independently observed

Slither

9 total
  • GitHub Actions
  • Hardhat
  • Foundry
  • Brownie
  • Dapp
  • Pre-commit
  • Docker
  • Pyth Oracle detectors
  • Chronicle detectors
Independently observed
Still deciding?

Foundry or Slither: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

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