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8 clients · secrets stay placeholders

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{
  "mcpServers": {
    "hydra-mcp": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-e",
        "HYDRA_API_URL",
        "-e",
        "HYDRA_TOKEN",
        "-e",
        "MCP_ROLE",
        "ghcr.io/hydradns/hydra-cli:0.1.0",
        "mcp"
      ],
      "env": {
        "HYDRA_API_URL": "http://host.docker.internal:8080",
        "HYDRA_TOKEN": "${HYDRA_TOKEN}",
        "MCP_ROLE": "admin"
      }
    }
  }
}

claude mcp add hydra-mcp -e "HYDRA_API_URL=http://host.docker.internal:8080" -e "HYDRA_TOKEN=${HYDRA_TOKEN}" -e "MCP_ROLE=admin" -- docker run -i --rm -e HYDRA_API_URL -e HYDRA_TOKEN -e MCP_ROLE ghcr.io/hydradns/hydra-cli:0.1.0 mcp

[mcp_servers.hydra-mcp]
command = "docker"
args = ["run", "-i", "--rm", "-e", "HYDRA_API_URL", "-e", "HYDRA_TOKEN", "-e", "MCP_ROLE", "ghcr.io/hydradns/hydra-cli:0.1.0", "mcp"]
env = { "HYDRA_API_URL" = "http://host.docker.internal:8080", "HYDRA_TOKEN" = "${HYDRA_TOKEN}", "MCP_ROLE" = "admin" }

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "hydra-mcp": {
      "type": "local",
      "command": [
        "docker",
        "run",
        "-i",
        "--rm",
        "-e",
        "HYDRA_API_URL",
        "-e",
        "HYDRA_TOKEN",
        "-e",
        "MCP_ROLE",
        "ghcr.io/hydradns/hydra-cli:0.1.0",
        "mcp"
      ],
      "enabled": true,
      "environment": {
        "HYDRA_API_URL": "http://host.docker.internal:8080",
        "HYDRA_TOKEN": "{env:HYDRA_TOKEN}",
        "MCP_ROLE": "admin"
      }
    }
  }
}

{
  "mcpServers": {
    "hydra-mcp": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-e",
        "HYDRA_API_URL",
        "-e",
        "HYDRA_TOKEN",
        "-e",
        "MCP_ROLE",
        "ghcr.io/hydradns/hydra-cli:0.1.0",
        "mcp"
      ],
      "env": {
        "HYDRA_API_URL": "http://host.docker.internal:8080",
        "HYDRA_TOKEN": "${HYDRA_TOKEN}",
        "MCP_ROLE": "admin"
      }
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=hydra-mcp&config=eyJjb21tYW5kIjoiZG9ja2VyIiwiYXJncyI6WyJydW4iLCItaSIsIi0tcm0iLCItZSIsIkhZRFJBX0FQSV9VUkwiLCItZSIsIkhZRFJBX1RPS0VOIiwiLWUiLCJNQ1BfUk9MRSIsImdoY3IuaW8vaHlkcmFkbnMvaHlkcmEtY2xpOjAuMS4wIiwibWNwIl0sImVudiI6eyJIWURSQV9BUElfVVJMIjoiaHR0cDovL2hvc3QuZG9ja2VyLmludGVybmFsOjgwODAiLCJIWURSQV9UT0tFTiI6IiR7SFlEUkFfVE9LRU59IiwiTUNQX1JPTEUiOiJhZG1pbiJ9fQ%3D%3D"
}

{
  "servers": {
    "hydra-mcp": {
      "type": "stdio",
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-e",
        "HYDRA_API_URL",
        "-e",
        "HYDRA_TOKEN",
        "-e",
        "MCP_ROLE",
        "ghcr.io/hydradns/hydra-cli:0.1.0",
        "mcp"
      ],
      "env": {
        "HYDRA_API_URL": "http://host.docker.internal:8080",
        "HYDRA_TOKEN": "${HYDRA_TOKEN}",
        "MCP_ROLE": "admin"
      }
    }
  }
}

{
  "mcpServers": {
    "hydra-mcp": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-e",
        "HYDRA_API_URL",
        "-e",
        "HYDRA_TOKEN",
        "-e",
        "MCP_ROLE",
        "ghcr.io/hydradns/hydra-cli:0.1.0",
        "mcp"
      ],
      "env": {
        "HYDRA_API_URL": "http://host.docker.internal:8080",
        "HYDRA_TOKEN": "${HYDRA_TOKEN}",
        "MCP_ROLE": "admin"
      }
    }
  }
}

extensions:
  "hydra-mcp":
    enabled: true
    name: "hydra-mcp"
    type: stdio
    cmd: "docker"
    args:
      - "run"
      - "-i"
      - "--rm"
      - "-e"
      - "HYDRA_API_URL"
      - "-e"
      - "HYDRA_TOKEN"
      - "-e"
      - "MCP_ROLE"
      - "ghcr.io/hydradns/hydra-cli:0.1.0"
      - "mcp"
    envs:
      "HYDRA_API_URL": "http://host.docker.internal:8080"
      "HYDRA_TOKEN": "${HYDRA_TOKEN}"
      "MCP_ROLE": "admin"
    timeout: 300

Placeholders to fill from your own secret store: ${HYDRA_TOKEN}. The registry never accepts secret values.

This is a local package: the command runs on your machine.

Quality – / 100not scored

Not scored: fewer than three checks apply, usually because no remote answered a credential-free probe or the server is a local package.

protocoln/a · weight 25

n/a
protocol.modern, protocol.stateless, protocol.transport, protocol.list_ttlno remote answered a protocol handshake (not probed yet, unreachable, or local-only)

authorizationn/a · weight 15

n/a
auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
n/a
auth.secret_in_urlno templated URL

tool hygienen/a · weight 30

n/a
tools.descriptions, tools.description_length, tools.schemas, tools.annotations, tools.directory_hints, tools.token_cost, tools.api_dumptool list unknown (behind auth, not probed, or empty)

stabilityn/a · weight 15

n/a
stability.changes, stability.rug_pulltool list unknown

dependenciesn/a · weight 15

n/a
deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

Tool list unknown · checked 2026-10-20 05:45 UTC

Tool changes

No tool definition changes recorded. A server's first observation is its baseline; later probes record what changes.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 94 / 100

provenance90

livenessn/a

freshness100

hygiene95

+repository +namespace-matches-repo +website ~liveness-unmeasured +updated-29d-ago -unpinned-packages(1)

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

package	registry	version	runtime	secrets
`ghcr.io/hydradns/hydra-cli:0.1.0`	oci	unpinned	docker	`HYDRA_TOKEN`

Tools (0)

No tools observed. Local packages are never executed by the registry.

Schemas: list_tools.

Similar MCP servers

Official server.json

{
  "name": "io.github.hydradns/hydra-mcp",
  "_meta": {
    "io.modelcontextprotocol.registry/publisher-provided": {
      "tool": "manual",
      "version": "0.1.0"
    }
  },
  "title": "HydraDNS",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "version": "0.1.0",
  "packages": [
    {
      "transport": {
        "type": "stdio"
      },
      "identifier": "ghcr.io/hydradns/hydra-cli:0.1.0",
      "runtimeHint": "docker",
      "registryType": "oci",
      "packageArguments": [
        {
          "type": "positional",
          "value": "mcp",
          "valueHint": "mcp"
        }
      ],
      "environmentVariables": [
        {
          "name": "HYDRA_API_URL",
          "default": "http://host.docker.internal:8080",
          "isRequired": true,
          "description": "Base URL of the HydraDNS controlplane API. Inside a container, 'localhost' means the container itself, not the host running the controlplane. On Docker Desktop (Mac/Windows) the default below resolves automatically. On plain Docker Engine (Linux) either run the container with --add-host=host.docker.internal:host-gateway, or use --network host with http://localhost:8080 instead. Full instructions: docs/mcp.md in the repo, 'Running it -> As the container image'."
        },
        {
          "name": "HYDRA_TOKEN",
          "isSecret": true,
          "isRequired": true,
          "description": "Bearer token for the HydraDNS API, obtained via `hydra login` or the setup wizard. Grants whatever access the token's account has; MCP_ROLE narrows what the MCP tool layer will call, not what the token itself can do against the API directly."
        },
        {
          "name": "MCP_ROLE",
          "default": "admin",
          "description": "Permission scope for this MCP session: admin (default, every tool), operator (every mutating tool except toggle_engine), or reporter (read-only tools only). Any unrecognized value safe-defaults to reporter."
        }
      ]
    }
  ],
  "repository": {
    "url": "https://github.com/hydradns/hydradns",
    "source": "github",
    "subfolder": "apps/cli"
  },
  "websiteUrl": "https://github.com/hydradns/hydradns",
  "description": "Manage a self-hosted DNS firewall: block domains, create policies, read query logs and metrics."
}