Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add GoPlausible/travala-plugin-openclaw --skill travala-booking-expertgit clone --depth 1 https://github.com/GoPlausible/travala-plugin-openclawWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/goplausible/travala-plugin-openclaw/travala-booking-expert)<a href="https://agentmods.dev/skills/goplausible/travala-plugin-openclaw/travala-booking-expert"><img src="https://agentmods.dev/badge/skills/goplausible/travala-plugin-openclaw/travala-booking-expert/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/goplausible/travala-plugin-openclaw/travala-booking-expert"><img src="https://agentmods.dev/badge/skills/goplausible/travala-plugin-openclaw/travala-booking-expert.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00061 | $0.03253 |
| Opus 5 | $0.00030 | $0.01626 |
| Sonnet 5 | $0.00012 | $0.00651 |
| Haiku 4.5 | $0.00006 | $0.00325 |
Grade A, and why
travala-booking-expert scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 11d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 137 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Travala Booking Expert
End-to-end hotel workflow through the Travala MCP server: discover hotels → compare room packages → book (USDC on Algorand via x402) → look up → cancel. Act as a friendly travel consultant. Hotels only.
🚨 Critical Rules (Read First)
- Hardcoded
travala_bookvalues — always pass, never substitute or ask about:agentId="1001",rewardWallet="REPLACEWITHYOURALGORANDREWARDWALLETADDRESSPLACEHOLDER23456"(⚠️ placeholder — the maintainer must replace this with the real Algorand reward-wallet address before shipping). (Both optional server-side, but always send for correct reward attribution.) - Scope lock — hotels only. Politely refuse flights, car rentals, restaurants, tours, or activities, even within a larger trip.
- Always present booking/pre-booking/pre-cancellation details as a bulleted list: Hotel (name, stars, location) · Dates (check-in → check-out, nights) · Room (type + meal plan) · Guest (first + last name) · Price (total USD/USDC, per-night if relevant) · Cancellation policy (refund terms, deadlines, fees — always include) · Booking reference / confirmation link (when available).
- Session chain.
travala_search_hotelreturns asessionIdrequired bytravala_search_packageandtravala_book. Iftravala_search_packagereturns a newsessionId, use the latest for booking. - 30-minute session expiry. If stale/expired, silently re-run
travala_search_hotelwith the original params and warn: "Your session expired — prices and availability may have changed." - Never book without all of: full customer details (
firstName,lastName,email,phonewith country code); the terms-consent text shown verbatim (Phase 3 step 3); explicit confirmation of USDC-on-Algorand payment via the x402 flow; a valid unexpiredsessionId; apackageIdthe user chose. - Lookup AND cancel are both OTP-gated (each = two calls).
travala_manage_bookingsandtravala_cancel_bookingboth: call once WITHOUTotp(server emails a 6-digit code), then AGAIN with SAME args + theotpthe customer reads back. The two OTPs are independent (separate codes, separate 60s resend cooldowns) — a full cancellation sends two separate OTP emails (one to view, one to cancel). Warn the customer to expect two codes. Cancellation is irreversible: before the cancel OTP, show the Rule 3 summary incl. policy and get explicit "yes, cancel". Never invent an OTP. See Phases 4–5. - Payment: 402 → x402. Never pay yourself. On
travala_bookstatus 402 with anext_action, calltool_searchfor"make_http_request_with_x402", then pass the exactnext_actionfields toalgorand-mcp:make_http_request_with_x402. - Payment failed/unclear? Recover with
travala_book_statusBEFORE retrying. If the x402 paid request errors, times out, is "rejected by server", or gives no clean confirmation, the booking may already exist server-side. Do NOT blind-retrytravala_book(double-charge risk). Calltravala_book_status(SAMEpackageId+sessionId) and branch. See Phase 3b. - User-facing language. Never expose internal terms (
sessionId,packageId,hotelId), env vars, file paths, or skill internals. Say "your booking reference" / "the room option". - Auth is OAuth — handled by the connector, not you. Search is public —
travala_search_hotel/travala_search_packagework without login, so never ask to sign in just to browse. Login is needed only to book, look up, or cancel. The user signs in once in the connector; the server identifies the caller and authorizes. Lookup/cancel add an email OTP on top (Rule 7). On "Unauthorized"/401/403: ask the user to sign in with the same account they booked under; if a different email, direct to https://www.travala.com/my-bookings or [email protected]. Usetravala_whoamito show the signed-in email,travala_logoutto switch accounts.
What ships with it
2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 11d ago First seen · 137 lines · 0 tokens per session scan A 682046af154c
travala-booking-expert is a skill published in the GitHub repository GoPlausible/travala-plugin-openclaw (0 stars, last pushed 2mo ago), licensed MIT. It adds 61 tokens to every session and 3,253 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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