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pihole-mcp

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Consolidated Pi-hole v6 MCP server (FastMCP + httpx). Unifies tools from three upstream Pi-hole MCPs.

pihole-mcp

testLicense: MITPythonMCPPi-hole v6

Unified Pi-hole v6 MCP server. Consolidates the useful tools from three upstream MCPs (aplaceforallmystuff/mcp-pihole, sbarbett/pihole-mcp-server, cwdcwd/mcp-server-pihole) into one Python server that matches the chris2ao-unifi-mcp stack (FastMCP + httpx + Pydantic v2).

Tools (28)

Stats (8): get_stats, get_top_blocked, get_top_permitted, get_top_clients, get_query_types, get_forward_destinations, get_recent_blocked, get_history

Queries (2): get_query_log (rich filters: time range, domain, client, upstream, cursor), get_query_suggestions

Blocking (3): get_blocking_status, enable_blocking, disable_blocking (with optional timer)

Domain lists (6): get_whitelist, get_blacklist, add_to_whitelist, add_to_blacklist, remove_from_whitelist, remove_from_blacklist

Local DNS (5): list_local_dns, add_local_a_record, remove_local_a_record, add_local_cname_record, remove_local_cname_record

Maintenance (4): update_gravity, flush_cache, flush_logs, get_tail_log

Plus server_info.

See docs/plans/consolidated-tool-map.md for per-tool endpoint mapping.

Auth

Pi-hole v6 uses session-based auth. This server handles it automatically:

  1. POST /api/auth with {"password": "<app-password>"} returns a session SID.
  2. All subsequent calls include X-FTL-SID: <sid>.
  3. On 401 or near-expiry, the client re-authenticates and retries once.
  4. On shutdown, DELETE /api/auth releases the session.

App password is created in the Pi-hole Web UI: Settings > Web Interface > "Application password" > Generate. This is separate from the main admin web password and is the correct credential for API clients.

Install

cd /Users/chris2ao/GitProjects/chris2ao-pihole-mcp
uv sync
cp .env.example .env   # fill in PIHOLE_URL and PIHOLE_PASSWORD
uv run pytest

Or via the wrapper (production use with Claude Code):

~/.claude/scripts/pihole-wrapper.sh

Register with Claude Code

In ~/.claude.json, add to mcpServers:

"pihole": {
  "command": "/Users/chris2ao/.claude/scripts/pihole-wrapper.sh",
  "args": []
}

The wrapper sources ~/.claude/secrets/secrets.env for PIHOLE_URL and PIHOLE_PASSWORD, then invokes uv run.

Development

  • Run tests: uv run pytest
  • Coverage: uv run pytest --cov --cov-report=term
  • Python: 3.12+

Relation to chris2ao-unifi-mcp

Same stack (FastMCP, httpx, Pydantic-settings, hatchling, uv). Simpler than unifi-mcp because Pi-hole is a single product (no dynamic product loading or discovery). If you extend this for multi-Pi-hole or for the gap items (adlist/gravity CRUD, groups, DHCP, Teleporter), follow the unifi-mcp module-per-capability pattern.

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