Enables AI agents to create instant public HTTPS URLs by leveraging Cloudflare Tunnels for secure external access.
Allows for the reservation of permanent subdomains through payment verification on the Solana mainnet.
Click on "Install Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type
@followed by the MCP server name and your instructions, e.g., "@mycrab-mcpset up a free temporary tunnel for my local server"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
mycrab-mcp
MCP server for mycrab.space — instant public HTTPS URLs via Cloudflare Tunnels for AI agents.
Install
uvx mycrab-mcpClaude Desktop config
Add to ~/.claude/claude_desktop_config.json:
{
"mcpServers": {
"mycrab": {
"command": "uvx",
"args": ["mycrab-mcp"]
}
}
}Tools
Tool | Description |
| Check if a subdomain is available on mycrab.space |
| Get the command for a free tunnel (auto subdomain, expires 61 min) |
| Reserve a permanent subdomain after paying 0.05 SOL on Solana mainnet |
| Fetch the full SKILL.md — all templates, commands, and advanced usage |
Usage
After install, agents have native mycrab tools in every session:
# Check availability
check_domain("mybot")
# Free throwaway tunnel — live in <60 seconds
setup_free_tunnel()
# → "curl -s https://mycrab.space/agent-setup-auto.sh | bash"
# Permanent custom subdomain (autonomous x402 flow)
buy_domain_sol("mybot", "<solana_tx_signature>")
# → {"setup_token": "...", "setup_command": "..."}Links
Resources
Unclaimed servers have limited discoverability.
Looking for Admin?
If you are the server author, to access and configure the admin panel.