by Cyfrin
Solidity Static Analyzer that easily integrates into your editor
# Add to your Claude Code skills
git clone https://github.com/Cyfrin/aderynGuides for using mcp servers skills like aderyn.
Last scanned: 5/6/2026
{
"issues": [],
"status": "PASSED",
"scannedAt": "2026-05-06T06:33:24.340Z",
"semgrepRan": false,
"npmAuditRan": true,
"pipAuditRan": true
}aderyn is an open-source mcp servers skill for AI coding assistants such as Claude Code, Codex CLI, and ChatGPT, built by Cyfrin. Solidity Static Analyzer that easily integrates into your editor. It has 783 GitHub stars.
Yes. aderyn passed SkillsLLM's automated security scan — a dependency vulnerability audit plus prompt-injection heuristics — with no high-severity issues. You can read the full report in the Security Report section on this page.
Clone the repository with "git clone https://github.com/Cyfrin/aderyn" and add it to your Claude Code skills directory (see the Installation section above).
aderyn is primarily written in Rust. It is open-source under Cyfrin on GitHub, so you can review or fork the full source.
Yes. SkillsLLM lists many other MCP Servers skills you can browse and compare side by side. Open the MCP Servers category from the badge at the top of this page, or use the Related Skills and comparison links further down to weigh aderyn against similar tools.
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Aderyn is an open-source public good developer tool. It is a Rust-based solidity smart contract static analyzer designed to help protocol engineers and security researchers find vulnerabilities in Solidity code bases.
You can read the Cyfrin official documentation for an in-depth look at Aderyn's functionalities.
There is also an officially supported VSCode extension for Aderyn. Download from the Visual Studio Marketplace and start identifying vulnerabilities in your Solidity code with ease.
NOTE Windows users must have WSL installed
One time setup. - Run cyfrinup
Re-run cyfrinup to upgrade all Cyfrin tools to the latest version.
Once installed, run aderyn-update to upgrade.
curl --proto '=https' --tlsv1.2 -LsSf https://github.com/cyfrin/aderyn/releases/latest/download/aderyn-installer.sh | bash
Once installed, run brew upgrade cyfrin/tap/aderyn to upgrade.
brew install cyfrin/tap/aderyn
Once installed, re-run npm install @cyfrin/aderyn -g to upgrade.
npm install @cyfrin/aderyn -g
If you are installing with Curl or Homebrew or npm, ensure that the correct version of Aderyn in your path comes from either the Homebrew or npm global packages directory. If an older version exists at ~/.cyfrin/bin/aderyn, remove it using rm -f ~/.cyfrin/bin/aderyn, as this is no longer the default installation location.
Run aderyn --version to check if Aderyn is installed successfully.
Quick Start example with video guide.
cd path/to/solidity/project/root
aderyn
This generates a report.md
See examples using more CLI options here
Officially supported VSCode extension for Aderyn. Download from Visual Studio Marketplace
Checkout Aderyn CI Assistant in the marketplace. Performs Static analysis on Solidity codebases in CI to catch potential vulnerabilities before committing code.
Help us build Aderyn 🦜 Please see our contribution guidelines for in-depth developer environment setup and PR approval process. Aderyn is an open-source software licensed under the GPL-3.0 License.
To learn how to create your custom Aderyn detectors, checkout the official docs
Aderyn relies on a custom backend to generate AST for Solidity codebases. It leverages foundry-compilers
This project exists thanks to all the people who contribute.