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DevelopersMCP server

MCP server

Add HARD to Claude Code or Claude Desktop as an MCP server, and the security checks it gives your assistant: messages, sites, calls and your Mac.

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AI assistants that speak the Model Context Protocol, such as Claude, can use HARD’s checks. Add HARD to Claude Code:

claude mcp add hard -- /Applications/HARD.app/Contents/MacOS/hard-bridge mcp

Or to Claude Desktop, in its configuration file:

{
  "mcpServers": {
    "hard": {
      "command": "/Applications/HARD.app/Contents/MacOS/hard-bridge",
      "args": ["mcp"]
    }
  }
}

Tools

Tool What it does
check_message Is this legit? for a text, email or pasted text.
check_website One address: lookalike, reported phishing, domain age.
check_call Is the person on the phone a scam, from yes-or-no answers.
security_report HARD’s latest full check of this Mac.
live_traffic Programs using the internet now, and who they talk to. Takes about 12 seconds.
firewall_log Recent connections seen by the firewall, allowed or blocked.
explain_program What a program is, who made it, and whether its signature is valid.

What a tool returns goes to the assistant you’re using, under that assistant’s own terms.

Still stuck? Write to support, and tell us what you’ve tried.