pp-hotel-goat

Original：🇺🇸 English
Translated

Free Google Hotels CLI — per-hotel data with deep booking links, agent-native JSON, and local wishlist. No API key. Trigger phrases: `find a hotel in <city>`, `search hotels for <city> <dates>`, `cheapest dates for <city>`, `hotels near <address>`, `compare hotel prices for <city>`, `what hotels are available in <city>`, `save this hotel`, `use hotel-goat`, `run hotel-goat`.

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Sourcemvanhorn/printing-press-library
Added on

NPX Install

npx skill4agent add mvanhorn/printing-press-library pp-hotel-goat

Tags

Translated version includes tags in frontmatter
hotel-search-cliagent-integrationtravel-utilitieslocal-wishlistprice-comparison

SKILL.md Content

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Google Hotels — Printing Press CLI

Prerequisites: Install the CLI

This skill drives the 
hotel-goat-pp-cli
binary. You must verify the CLI is installed before invoking any command from this skill. If it is missing, install it first:
  1. Install via the Printing Press installer:
    bash
    npx -y @mvanhorn/printing-press-library install hotel-goat --cli-only
  2. Verify: 
    hotel-goat-pp-cli --version
  3. Ensure 
    $GOPATH/bin
    (or 
    $HOME/go/bin
    ) is on 
    $PATH
    .
If the 
npx
install fails (no Node, offline, etc.), fall back to a direct Go install (requires Go 1.26.3 or newer):
bash
go install github.com/mvanhorn/printing-press-library/library/travel/hotel-goat/cmd/hotel-goat-pp-cli@latest
If 
--version
reports "command not found" after install, the install step did not put the binary on 
$PATH
. Do not proceed with skill commands until verification succeeds.
hotel-goat fans out across two cash-price sources by default:
  • Google Hotels — scraped from the server-rendered page
  • Trivago — called via the public Trivago MCP server (no key); aggregates OTA rates from Booking.com, Expedia, Agoda, Hotels.com, Priceline, etc.
Control which sources run with 
--source google|trivago|both
on the 
hotels
command. Default is 
both
. Matched hotels (lat/lng within 250m and name token-overlap ≥ 0.5, with both sides carrying ≥2 informative tokens after stopword stripping) get a unified 
prices[]
array with one entry per source; Trivago-only properties are appended as standalone rows with 
property_token
prefixed 
trivago:
.
Trivago is geolocated server-side and returns EUR regardless of client hints. When the headline currency differs from Trivago's, each Trivago price is converted via the Frankfurter ECB FX endpoint (free, no key, 24h cache) so cross-source comparisons are apples-to-apples. Source label semantics:
  • trivago/<OTA> [EUR 802 -> USD]
    — FX conversion ran. The numeric 
    price
    field is in the target currency; the original EUR amount is in the label.
  • trivago/<OTA> [EUR]
    — FX lookup failed. The numeric 
    price
    is native EUR and the headline 
    price_per_night
    is NOT overridden.
  • trivago/<OTA>
    (no suffix) — currencies already matched.
v1 ships:
  • hotels <loc> <ci> <co>
    — multi-source search with brand / hotel-class / price / rating / amenity / 
    --source
    filters
  • dates <loc> --from --to --nights N
    — sweep a date window for the cheapest pair per stay
  • near "<address>" --radius Nmi
    — geo-radius around any address (auto-geocoded via OSM Nominatim)
  • hotel show/reviews <token>
    — single-property detail + reviews
  • wishlist add/list/remove <token>
    — local SQLite save
Brand-loyalty expansion, full month-window scans, price drift, multi-room family logic, and per-OTA breakdown are deferred to v0.2.

When to Use This CLI

Reach for hotel-goat whenever a user needs to search hotels by location and date range, find the cheapest dates in a window, find hotels near a specific address, or save properties to a local wishlist. Pair it with flight-goat when composing an itinerary; both share the same flag and envelope shape so a future travel-pp-cli orchestrator is a thin merge layer. Skip it when the user wants to actually book (Google Hotels is metasearch — hotel-goat surfaces the OTA deep-link, then the user books on the OTA).

When Not to Use This CLI

Do not activate this CLI for requests that require creating, updating, deleting, publishing, commenting, upvoting, inviting, ordering, sending messages, booking, purchasing, or changing remote state. This printed CLI exposes read-only commands for inspection, export, sync, and analysis.

Unique Capabilities

These capabilities aren't available in any other tool for this API.

Agent-native plumbing

  • hotels
     — Dotted-path selection through nested results.prices[], results.booking_urls, results.images[]. Returns only the fields the agent needs.
    Use when you need only a couple of fields per hotel rather than the full nested response.
    bash
    hotel-goat-pp-cli hotels "San Francisco" 2026-08-15 2026-08-17 --agent --select results.name,results.rating,results.price_per_night,results.booking_urls.primary

Command Reference

hotels — Hotel search results from Google Hotels for a location + date range
  • hotel-goat-pp-cli hotels
    — Search hotels by location and date range.
hotel — Single-property commands
  • hotel-goat-pp-cli hotel show <property-token>
    — Full property detail by Google's property_token
  • hotel-goat-pp-cli hotel reviews <property-token>
    — Review breakdown for one property

Finding the right command

When you know what you want to do but not which command does it, ask the CLI directly:
bash
hotel-goat-pp-cli which "<capability in your own words>"
which
resolves a natural-language capability query to the best matching command from this CLI's curated feature index. Exit code 
0
means at least one match; exit code 
2
means no confident match — fall back to 
--help
or use a narrower query.

Recipes

Filtered search with European currency

bash
hotel-goat-pp-cli hotels "Paris" 2026-07-20 2026-07-23 --currency EUR --hotel-class 4,5 --max-price 300 --sort cheapest
Premium 4-5 star hotels in Paris under €300/night, sorted cheapest.

Agent-friendly nested-field selection

bash
hotel-goat-pp-cli hotels "San Francisco" 2026-08-15 2026-08-17 --agent --select results.name,results.rating,results.price_per_night,results.booking_urls.primary
Returns only the four fields the agent needs, not the full per-result payload.

Property detail by token

bash
hotel-goat-pp-cli hotel show <property-token>
Full property details (amenities, nearby places, full image gallery) from a property_token returned by the search.

Save and recall properties

bash
hotel-goat-pp-cli wishlist add <property-token> && hotel-goat-pp-cli wishlist list
Local-SQLite wishlist: save properties from searches, list them later.

Health check

bash
hotel-goat-pp-cli doctor
Confirms network reachability to Google Hotels and that the parser still finds AF_initDataCallback blobs.

Auth Setup

No authentication required. Google Hotels SSR is publicly accessible. Set 
Accept-Language
via the system locale; pass 
--currency EUR
to get pricing in another currency.
Run 
hotel-goat-pp-cli doctor
to verify setup.

Agent Mode

Add 
--agent
to any command. Expands to: 
--json --compact --no-input --no-color --yes
.
  • Pipeable — JSON on stdout, errors on stderr
  • Filterable — 
    --select
    keeps a subset of fields. Dotted paths descend into nested structures; arrays traverse element-wise. Critical for keeping context small on verbose APIs:
    bash
    hotel-goat-pp-cli hotels "San Francisco" 2026-08-15 2026-08-17 --agent --select results.name,results.price_per_night,results.booking_urls.primary
  • Previewable — 
    --dry-run
    shows the request without sending
  • Offline-friendly — sync/search commands can use the local SQLite store when available
  • Non-interactive — never prompts, every input is a flag
  • Read-only — do not use this CLI for create, update, delete, publish, comment, upvote, invite, order, send, or other mutating requests

Response envelope

Commands that read from the local store or the API wrap output in a provenance envelope:
json
{
  "meta": {"source": "live" | "local", "synced_at": "...", "reason": "..."},
  "results": <data>
}
Parse 
.results
for data and 
.meta.source
to know whether it's live or local. A human-readable 
N results (live)
summary is printed to stderr only when stdout is a terminal AND no machine-format flag (
--json
, 
--csv
, 
--compact
, 
--quiet
, 
--plain
, 
--select
) is set — piped/agent consumers and explicit-format runs get pure JSON on stdout.

Agent Feedback

When you (or the agent) notice something off about this CLI, record it:
hotel-goat-pp-cli feedback "the --since flag is inclusive but docs say exclusive"
hotel-goat-pp-cli feedback --stdin < notes.txt
hotel-goat-pp-cli feedback list --json --limit 10
Entries are stored locally at 
~/.hotel-goat-pp-cli/feedback.jsonl
. They are never POSTed unless 
HOTEL_GOAT_FEEDBACK_ENDPOINT
is set AND either 
--send
is passed or 
HOTEL_GOAT_FEEDBACK_AUTO_SEND=true
. Default behavior is local-only.
Write what surprised you, not a bug report. Short, specific, one line: that is the part that compounds.

Output Delivery

Every command accepts 
--deliver <sink>
. The output goes to the named sink in addition to (or instead of) stdout, so agents can route command results without hand-piping. Three sinks are supported:
SinkEffect
stdout
Default; write to stdout only
file:<path>
Atomically write output to 
<path>
(tmp + rename)
webhook:<url>
POST the output body to the URL (
application/json
or 
application/x-ndjson
when 
--compact
)
Unknown schemes are refused with a structured error naming the supported set. Webhook failures return non-zero and log the URL + HTTP status on stderr.

Named Profiles

A profile is a saved set of flag values, reused across invocations. Use it when a scheduled agent calls the same command every run with the same configuration - HeyGen's "Beacon" pattern.
hotel-goat-pp-cli profile save briefing --json
hotel-goat-pp-cli --profile briefing hotels "San Francisco" 2026-08-15 2026-08-17
hotel-goat-pp-cli profile list --json
hotel-goat-pp-cli profile show briefing
hotel-goat-pp-cli profile delete briefing --yes
Explicit flags always win over profile values; profile values win over defaults. 
agent-context
lists all available profiles under 
available_profiles
so introspecting agents discover them at runtime.

Exit Codes

CodeMeaning
0Success
2Usage error (wrong arguments)
3Resource not found
5API error (upstream issue)
7Rate limited (wait and retry)
10Config error

Argument Parsing

Parse 
$ARGUMENTS
:
  1. Empty, 
    help
    , or 
    --help
     → show 
    hotel-goat-pp-cli --help
    output
  2. Starts with 
    install
     → ends with 
    mcp
    → MCP installation; otherwise → see Prerequisites above
  3. Anything else → Direct Use (execute as CLI command with 
    --agent
    )

MCP Server Installation

  1. Install the MCP server:
    bash
    go install github.com/mvanhorn/printing-press-library/library/travel/hotel-goat/cmd/hotel-goat-pp-mcp@latest
  2. Register with Claude Code:
    bash
    claude mcp add hotel-goat-pp-mcp -- hotel-goat-pp-mcp
  3. Verify: 
    claude mcp list

Direct Use

  1. Check if installed: 
    which hotel-goat-pp-cli
    If not found, offer to install (see Prerequisites at the top of this skill).
  2. Match the user query to the best command from the Unique Capabilities and Command Reference above.
  3. Execute with the 
    --agent
    flag:
    bash
    hotel-goat-pp-cli <command> [subcommand] [args] --agent
  4. If ambiguous, drill into subcommand help: 
    hotel-goat-pp-cli <command> --help
    .