MyCrab MCP Server

1

Add it to Claude Code

Run this in a terminal.

Run in terminal
claude mcp add mycrab -- uvx mycrab-mcp
README.md

Instant public HTTPS URLs via Cloudflare Tunnels for AI agents.

mycrab-mcp

MCP server for mycrab.space — instant public HTTPS URLs via Cloudflare Tunnels for AI agents.

Install

uvx mycrab-mcp

Claude Desktop config

Add to ~/.claude/claude_desktop_config.json:

{
  "mcpServers": {
    "mycrab": {
      "command": "uvx",
      "args": ["mycrab-mcp"]
    }
  }
}

Tools

Tool Description
check_domain Check if a subdomain is available on mycrab.space
setup_free_tunnel Get the command for a free tunnel (auto subdomain, expires 61 min)
buy_domain_sol Reserve a permanent subdomain after paying 0.05 SOL on Solana mainnet
get_skill_docs 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

Tools (4)

check_domainCheck if a subdomain is available on mycrab.space
setup_free_tunnelGet the command for a free tunnel (auto subdomain, expires 61 min)
buy_domain_solReserve a permanent subdomain after paying 0.05 SOL on Solana mainnet
get_skill_docsFetch the full SKILL.md — all templates, commands, and advanced usage

Configuration

claude_desktop_config.json
{"mcpServers": {"mycrab": {"command": "uvx", "args": ["mycrab-mcp"]}}}

Try it

Check if the subdomain 'mybot' is available on mycrab.space.
Set up a free temporary tunnel for my current local development session.
I have paid 0.05 SOL for the subdomain 'mybot', please register it using transaction signature <tx_signature>.
Show me the advanced usage documentation for mycrab.

Frequently Asked Questions

What are the key features of MyCrab?

Instant public HTTPS URL generation via Cloudflare Tunnels. Subdomain availability checking. Temporary tunnels with 61-minute expiration. Permanent subdomain reservation via Solana blockchain payments.

What can I use MyCrab for?

Exposing local AI agent webhooks to the public internet for testing. Providing temporary public access to local development environments. Registering permanent custom subdomains for long-running AI services. Automating tunnel setup workflows directly from within an AI agent session.

How do I install MyCrab?

Install MyCrab by running: uvx mycrab-mcp

What MCP clients work with MyCrab?

MyCrab works with any MCP-compatible client including Claude Desktop, Claude Code, Cursor, and other editors with MCP support.

Turn this server into reusable context

Keep MyCrab docs, env vars, and workflow notes in Conare so your agent carries them across sessions.

Need the old visual installer? Open Conare IDE.
Open Conare