ai-agent

LayerDomainFinder: Find Subdomains

Discover subdomains with LayerDomainFinder, a tool for startup founders.

From the repo · “Layer子域名挖掘机”

466 stars+1★ this week81 forksC#Guide quality 8/10 · reviewed Aug 6Updated 7/17/2019100% free · open source
What it does

LayerDomainFinder is a tool that helps discover subdomains of a given domain using various techniques and wordlists.

When to use it
  • •When you need to identify potential entry points for security testing or penetration testing
  • •When you want to uncover hidden services or applications within a domain
  • •When you're conducting reconnaissance on a target domain for bug bounty or cybersecurity research
Ready-to-paste prompt
dotnet LayerDomainFinder.dll -d example.com -w wordlist.txt -o output.txt -t 5
Heads up: Make sure you have the .NET Core 3.1 or later runtime installed on your system, as LayerDomainFinder is built using C# and requires this version to run
Saves to your device
Use with Claude
New

Skip the builder — one click puts this in Claude, Cursor, Antigravity and more.

🛠️ Technical setup

Expect 20–40 minutes in a terminal — or let your AI agent drive it.

Try it instantly — no install
Claude Code
mkdir -p ~/.claude/skills/layerdomainfinder && curl -fsSL https://workflowstacks.com/api/skills/layerdomainfinder/claude-skill -o ~/.claude/skills/layerdomainfinder/SKILL.md
Open in another AI app

Opens the app with this repo with the prompt ready to go — no copy-paste needed.

Connect the whole catalog (MCP)
claude mcp add --transport http workflowstacks https://workflowstacks.com/api/mcp

Adds a WorkflowStacks connector to Claude Code: search and load any skill here by chatting.

How LayerDomainFinder: Find Subdomains works
Codeflow
Free to inspect

LayerDomainFinder: Find Subdomains is a medium C# project (~3.6k lines across 42 code files). Expect some technical setup — comfortable with a terminal, or ask a developer. Last commit 89 months ago, no license file, no tests found.

Size
Medium codebase
~3.6k lines · 42 code files · 30 min skim
Setup
Some technical setup
Comfortable with a terminal? 20–40 min. Otherwise ask a dev.
Runs on
C#
No API keys detected
C# 100%
Where to start reading
  1. 1
    README.md
    Start here — what it does and how to install it
READMENo tests foundDocumentedNo CINo licenseLast update 89 mo ago
Quick Actions
Details
Creator
euphrat1ca
Language
C#
Category
ai-agent
Published
7/17/2019

Are you the creator of this tool? and earn 85% of every sale.

Show it off in your README:

Featured on WorkflowStacks
[![Featured on WorkflowStacks](https://workflowstacks.com/api/badge/layerdomainfinder.svg)](https://workflowstacks.com/skills/layerdomainfinder?utm_source=github&utm_medium=badge)
🔥 Hot this week, in your inbox
Skills like this, every Monday.

The five fastest-growing open-source AI skills, ranked by GitHub star growth. One email a week, unsubscribe anytime.