Plugin

weasel

Name: weasel
Author: slvdev

AI-powered auditing of Solidity smart contracts: perform static analysis in quick/full modes, filter false positives, optimize gas for EVM/L2 chains, validate vulnerabilities, generate exploit POCs with tests, simplify/refactor code, explain risks, and produce Markdown reports.

security

code-quality

testing

Component Overview

Commands

Agents

weasel-analyzer, weasel-explainer +7

Skills

Hooks

weasel

MCP Servers

LSP Servers

Output Styles

Themes

Monitors

Install

npx claudepluginhub joshuarweaver/cascade-code-testing-misc --plugin slvdev-weasel

Component Details

Skills (9)

weasel-analyzer

/skills/weasel-analyzer

Static analysis and security review for Solidity smart contracts. Triggers on weasel analyze, weasel audit, weasel scan, weasel review, or weasel check.

weasel-explainer

/skills/weasel-explainer

Code explanation and understanding for Solidity smart contracts. Triggers on weasel explain, weasel what does, or weasel walkthrough.

weasel-filter

/skills/weasel-filter

False positive filtering for Weasel static analysis results. Triggers on weasel filter, weasel triage, or weasel clean report.

weasel-gas

/skills/weasel-gas

Gas optimization analysis and implementation for Solidity contracts. Triggers on weasel gas, weasel optimize, or weasel efficiency.

weasel-overview

/skills/weasel-overview

Project overview and audit preparation for smart contract security. Triggers on weasel overview, weasel scope, or weasel onboard.

weasel-poc

/skills/weasel-poc

Proof of Concept exploit writing for Solidity vulnerabilities. Triggers on weasel poc, weasel prove, weasel exploit, or weasel demonstrate.

weasel-report

/skills/weasel-report

Audit report writing for smart contract vulnerabilities. Triggers on weasel report, weasel write up, or weasel document.

weasel-simplify

/skills/weasel-simplify

Solidity code simplification and refactoring for clarity and maintainability. Triggers on weasel simplify, weasel refactor, or weasel clean up.

weasel-validate

/skills/weasel-validate

Attack hypothesis validation for smart contracts. Triggers on weasel validate, weasel check attack, or weasel verify.

MCP Servers (1)

Connects to external services

weasel

README

Weasel

Solidity static analyzer you can talk to

Ask your AI assistant to audit your contracts. Get explained results.

Weasel demo

# 1. Install weasel
curl -L https://raw.githubusercontent.com/slvDev/weasel/main/weaselup/install | bash

# 2. Add to your AI tool:
# Claude Code (recommended - MCP + skills)
/plugin marketplace add slvDev/weasel
/plugin install weasel

# MCP only for Claude Code, Cursor, Windsurf, Codex, Gemini
weasel mcp add

Now just say weasel <command>:

"weasel analyze my contracts"

"weasel poc for this reentrancy bug"

"weasel report this finding"

"weasel explain this function"

Weasel skills activate. Your AI runs analysis, writes PoCs, formats reports, and more.

Features

AI-Native Skills — 9 specialized skills for Claude Code (PoC writing, report formatting, gas optimization, and more)
Blazing Fast — Parallel Rust analysis, instant MCP responses
MCP Server — Works with Claude Code, Cursor, Windsurf, OpenAI Codex, Gemini CLI, and any MCP-compatible tool
Extensive Detectors — Vulnerabilities, gas optimizations, and code quality checks
Auto-Detection — Automatically configures for Foundry, Hardhat, and Truffle projects

Why Weasel?

	Weasel	Other Analyzers
AI Integration	Native skills + MCP	Copy-paste output to ChatGPT
Setup	`plugin install` / `mcp add`	Manual config, scripts
Workflow	"weasel poc for this bug"	Read reports, search fixes
Context	AI knows Solidity security patterns	Context lost between tools
Speed	Parallel Rust analysis	Often single-threaded

Installation

curl -L https://raw.githubusercontent.com/slvDev/weasel/main/weaselup/install | bash

Update anytime with weaselup. Use weaselup --nightly for latest dev build.

From Source

git clone https://github.com/slvDev/weasel.git
cd weasel && cargo build --release

Claude Code Integration

For Claude Code users, install the Weasel plugin for intelligent skills:

/plugin marketplace add slvDev/weasel
/plugin install weasel

Use weasel prefix to activate skills:

Audit:

Skill	What it does
`weasel analyze`	Security review (quick scan / manual review / full audit)
`weasel validate`	Verify if attack hypothesis is exploitable
`weasel filter`	Triage findings, filter false positives
`weasel poc`	Write exploit PoC (Foundry/Hardhat)
`weasel report`	Format findings as professional audit report
`weasel overview`	Scope project, map architecture/attack surface

Dev:

Skill	What it does
`weasel gas`	Find and implement gas optimizations
`weasel explain`	Explain code logic, patterns, and risks
`weasel simplify`	Refactor for clarity without changing behavior

Skills provide context-aware expertise — Claude knows how to analyze Solidity, write PoCs in Foundry/Hardhat, format audit reports, and more. The weasel prefix ensures skills only activate when you want them.

To update the plugin, run /plugin update weasel in Claude Code.

IDE Integration (MCP)

For Cursor, Windsurf, Codex, Gemini, or Claude Code without skills:

weasel mcp add                      # auto-detect all installed IDEs
weasel mcp add --target cursor      # Cursor only
weasel mcp add --target windsurf    # Windsurf only
weasel mcp add --target claude      # Claude Code only
weasel mcp add --target codex       # OpenAI Codex only
weasel mcp add --target gemini      # Gemini CLI only

View full README on GitHub

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Stats

Version0.5.0

Parent Repo Stars16

MaintenanceExcellent

AddedJan 10, 2026

Actions

View on GitHub View README Plugin Marketplace JSON

Available In

cascade-code-testing-misc

Weasel

Solidity static analyzer you can talk to

Ask your AI assistant to audit your contracts. Get explained results.

Weasel demo

# 1. Install weasel
curl -L https://raw.githubusercontent.com/slvDev/weasel/main/weaselup/install | bash

# 2. Add to your AI tool:
# Claude Code (recommended - MCP + skills)
/plugin marketplace add slvDev/weasel
/plugin install weasel

# MCP only for Claude Code, Cursor, Windsurf, Codex, Gemini
weasel mcp add

Now just say weasel <command>:

"weasel analyze my contracts"

"weasel poc for this reentrancy bug"

"weasel report this finding"

"weasel explain this function"

Weasel skills activate. Your AI runs analysis, writes PoCs, formats reports, and more.

Features

AI-Native Skills — 9 specialized skills for Claude Code (PoC writing, report formatting, gas optimization, and more)
Blazing Fast — Parallel Rust analysis, instant MCP responses
MCP Server — Works with Claude Code, Cursor, Windsurf, OpenAI Codex, Gemini CLI, and any MCP-compatible tool
Extensive Detectors — Vulnerabilities, gas optimizations, and code quality checks
Auto-Detection — Automatically configures for Foundry, Hardhat, and Truffle projects

Why Weasel?

	Weasel	Other Analyzers
AI Integration	Native skills + MCP	Copy-paste output to ChatGPT
Setup	`plugin install` / `mcp add`	Manual config, scripts
Workflow	"weasel poc for this bug"	Read reports, search fixes
Context	AI knows Solidity security patterns	Context lost between tools
Speed	Parallel Rust analysis	Often single-threaded

Installation

curl -L https://raw.githubusercontent.com/slvDev/weasel/main/weaselup/install | bash

Update anytime with weaselup. Use weaselup --nightly for latest dev build.

From Source

git clone https://github.com/slvDev/weasel.git
cd weasel && cargo build --release

Claude Code Integration

For Claude Code users, install the Weasel plugin for intelligent skills:

/plugin marketplace add slvDev/weasel
/plugin install weasel

Use weasel prefix to activate skills:

Audit:

Skill	What it does
`weasel analyze`	Security review (quick scan / manual review / full audit)
`weasel validate`	Verify if attack hypothesis is exploitable
`weasel filter`	Triage findings, filter false positives
`weasel poc`	Write exploit PoC (Foundry/Hardhat)
`weasel report`	Format findings as professional audit report
`weasel overview`	Scope project, map architecture/attack surface

Dev:

Skill	What it does
`weasel gas`	Find and implement gas optimizations
`weasel explain`	Explain code logic, patterns, and risks
`weasel simplify`	Refactor for clarity without changing behavior

To update the plugin, run /plugin update weasel in Claude Code.

IDE Integration (MCP)

For Cursor, Windsurf, Codex, Gemini, or Claude Code without skills:

weasel mcp add                      # auto-detect all installed IDEs
weasel mcp add --target cursor      # Cursor only
weasel mcp add --target windsurf    # Windsurf only
weasel mcp add --target claude      # Claude Code only
weasel mcp add --target codex       # OpenAI Codex only
weasel mcp add --target gemini      # Gemini CLI only

weasel

Component Overview

Install

Component Details

Skills (9)

MCP Servers (1)

README

Weasel

Features

Why Weasel?

Installation

Claude Code Integration

IDE Integration (MCP)

Similar Plugins

fullstack-dev-skills

weasel

Component Overview

Install

Component Details

Skills (9)

MCP Servers (1)

README

Weasel

Features

Why Weasel?

Installation

Claude Code Integration

IDE Integration (MCP)

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