A self-hosted DNS firewall you can manage by talking to an AI agent. It blocks ads, malware and trackers at the DNS level like Pi-hole, rebuilt in Go with an API-first control plane and a built-in Model Context Protocol server, so Claude or any MCP agent can run your network for you.
- hydradns the product: DNS engine, gRPC control plane, web dashboard, CLI and MCP server. GPL-3.0.
- hydradns-landing the site at hydradns.app.
- Blocks ads, malware and trackers at the DNS layer, before they reach a device
- Policy engine with allow, block and redirect rules via API, CLI or an AI agent
- Blocklists in hosts, domain and adblock formats, refreshed automatically
- A built-in MCP server (14 tools) so an AI assistant can manage the firewall
- Optional client-IP pseudonymisation for query logs
Pre-1.0 and moving fast. Runs with docker compose up on a Raspberry Pi, a NUC
or a cloud box.