Domain-Finding-Tools
April 26, 2026 · View on GitHub
A point-in-time collection of open-source tools for finding, checking, and brainstorming domain names — with a particular focus on AI agent skills, Claude Code skills, and MCP servers that bring domain lookups into agentic workflows.
Compiled: 26 April 2026 Maintenance: This index may not be actively maintained — entries reflect the state of each repo at the time of compilation.
Compiled by Daniel Rosehill.
AI Agent Skills, Claude Code Skills & MCP Servers
Tools designed to plug domain availability and naming workflows directly into AI assistants.
| Repo | Description |
|---|---|
| imprvhub/mcp-domain-availability | MCP server that lets Claude Desktop check domain availability across 50+ TLDs. DNS/WHOIS verification, bulk checking, smart suggestions. Zero-clone install via uvx. (Python) |
| saidutt46/domain-check | Fast universal domain availability checker — 1,200+ TLDs, pattern generation, RDAP with WHOIS fallback. CLI + Rust library + MCP server for AI agents. |
| iscale-llc/domain-finder-claude-code | Interactive domain brainstorming for Claude Code. Describe a business idea, get brandable suggestions, check .com availability via Namecheap API. |
| J3012B/domain-finder | Claude Code skill: brainstorm startup names and bulk-check domain availability via api-ninjas.com. |
| bluei98/claudecode-skill-domain-search | Claude Code skill: brand-name generator + multi-TLD WHOIS availability check in one command. Generates 10 candidates, checks 5 default TLDs (+custom), 9-point ranking. Multilingual (en/ko/ja/zh), optional Gmail HTML email delivery. |
| CesareGambs/naming-startup | Claude Code slash command /naming — naming candidates with domain checks, TMview EU trademark lookups, and web checks. |
CLI & Library Tools
Command-line and library-based domain availability checkers — composable into your own scripts and agent pipelines.
| Repo | Description |
|---|---|
| brandonyoungdev/tldx | Domain availability research tool. (Go, 1.8k★) |
| yuyudhn/TLDHunt | Domain availability checker. (Shell) |
| xuemian168/domain-scanner | Powerful, flexible domain name availability checker with patterns and filters. (Go) |
| murat-exp/Domain-Checker-Tool | High-performance Go tool for checking availability and responsiveness — combines HTTP requests with browser automation. |
Web Apps & Naming Tools
Hosted or self-hostable web apps for naming, scoring, and discovering domains.
| Repo | Description |
|---|---|
| vasilytrofimchuk/domainsearcher-app | Score and choose the best domain for your startup — AI-powered generation, real-time availability, multi-dimensional scoring (LEN, PRO, MEM, BRD, FIT). Free, no signup. |
| gregives/recommend.domains | Find the perfect domain name for your next project. (TypeScript) |
| thedev-me/register | Get a free {name}.thedev.me subdomain. (JavaScript) |
Domain Portfolio Management
For after you've registered the names.
| Repo | Description |
|---|---|
| Lissy93/domain-locker | All-in-one tool for keeping track of your domain name portfolio. (TypeScript, 1.3k★) |
Contributing
Suggestions welcome — open an issue or PR with the repo URL and a one-line description. Priority is given to:
- MCP servers and AI agent skills (Claude Code, Cursor, etc.)
- Open-source CLIs and libraries that compose well into agentic workflows
- Self-hostable web tools
License
This index is released under CC0 / Public Domain. Linked projects retain their own licenses.