LocalFree server, account needed

HydraDNS MCP server

hydradns/hydradns

Manage a self-hosted DNS firewall: block domains, create policies, read query logs and metrics.

1 GitHub stars
Source code

Install HydraDNS in Claude Code

Claude Code
claude mcp add hydradns -e HYDRA_API_URL=... -e HYDRA_TOKEN=... -- docker run -i --rm -e HYDRA_API_URL -e HYDRA_TOKEN ghcr.io/hydradns/hydra-cli:0.1.0
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
{
  "mcpServers": {
    "hydradns": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-e",
        "HYDRA_API_URL",
        "-e",
        "HYDRA_TOKEN",
        "ghcr.io/hydradns/hydra-cli:0.1.0"
      ],
      "env": {
        "HYDRA_API_URL": "...",
        "HYDRA_TOKEN": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the HydraDNS MCP server do?

Manage a self-hosted DNS firewall: block domains, create policies, read query logs and metrics.

Is the HydraDNS MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does HydraDNS run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add HydraDNS to Claude Code?

Run: claude mcp add hydradns -e HYDRA_API_URL=... -e HYDRA_TOKEN=... -- docker run -i --rm -e HYDRA_API_URL -e HYDRA_TOKEN ghcr.io/hydradns/hydra-cli:0.1.0

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