agentmods.dev

fhenix-toolkit marketplace

A Claude Code plugin for developing confidential smart contracts and applications on Fhenix CoFHE, a system for performing computations while keeping data private.

In plain words
What is it for?
Use it to build, test, and audit confidential Solidity contracts and TypeScript applications with Fhenix tools.
Why use it?
It provides project-specific guidance for writing, testing, and auditing the Solidity and TypeScript used with CoFHE.

Plugin for Claude Code

12 3mo ago A scan tokens not measured original MIT
View the source file FhenixProtocol/fhenix-toolkit
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Claude Code
/plugin marketplace add FhenixProtocol/fhenix-toolkit
agentmods
npx agentmods add plugins/fhenixprotocol/fhenix-toolkit/marketplace
Clone the repo
git clone --depth 1 https://github.com/FhenixProtocol/fhenix-toolkit

Made for: Claude Code.

Per session not measured What this adds to a session before it is invoked.
When invoked not measured Not applicable: nothing here is loaded into a session.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Security

Grade A, and why

fhenix-toolkit marketplace scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

.claude-plugin/marketplace.json · 49 lines

What it actually says

{
  "name": "fhenix-toolkit",
  "description": "Fhenix Protocol's official Claude Code plugin for CoFHE development.",
  "owner": {
    "name": "Fhenix Protocol",
    "url": "https://www.fhenix.io"
  },
  "metadata": {
    "description": "Skills for building, testing, and auditing confidential smart contracts and dApps on Fhenix CoFHE — FHE.sol, @cofhe/sdk, mocks, and a 30+ gotcha catalog.",
    "version": "0.2.0",
    "homepage": "https://cofhe-docs.fhenix.zone",
    "repository": "https://github.com/FhenixProtocol/fhenix-toolkit"
  },
  "plugins": [
    {
      "name": "fhenix-toolkit",
      "source": {
        "source": "git-subdir",
        "url": "FhenixProtocol/fhenix-toolkit",
        "path": "plugins/fhenix-toolkit"
      },
      "description": "Write, test, and audit confidential Solidity and TypeScript on Fhenix CoFHE. Ships fhenix-contracts, fhenix-sdk (pending), fhenix-review, fhenix-tests skills plus the fhe-reviewer audit subagent.",
      "version": "0.2.0",
      "author": {
        "name": "Fhenix Protocol",
        "url": "https://www.fhenix.io"
      },
      "homepage": "https://cofhe-docs.fhenix.zone",
      "repository": "https://github.com/FhenixProtocol/fhenix-toolkit",
      "license": "MIT",
      "category": "development-tools",
      "keywords": [
        "fhenix",
        "cofhe",
        "fhe",
        "confidential-contracts",
        "solidity",
        "ethereum",
        "homomorphic-encryption",
        "smart-contracts",
        "privacy",
        "security-review",
        "audit",
        "testing"
      ]
    }
  ]
}
Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2d ago First seen · 49 lines scan A 064e83e7e182

Subscribe to this mod's changes

fhenix-toolkit marketplace is a plugin published in the GitHub repository FhenixProtocol/fhenix-toolkit (12 stars, last pushed 3mo ago), licensed MIT. Its token cost is not measured: this kind of file is read by the harness, not the model. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

Web3 and blockchain
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