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 mtnrabi/travel-agent-skills --skill travel-briefgit clone --depth 1 https://github.com/mtnrabi/travel-agent-skillsWrote 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/mtnrabi/travel-agent-skills/travel-brief)<a href="https://agentmods.dev/skills/mtnrabi/travel-agent-skills/travel-brief"><img src="https://agentmods.dev/badge/skills/mtnrabi/travel-agent-skills/travel-brief/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/mtnrabi/travel-agent-skills/travel-brief"><img src="https://agentmods.dev/badge/skills/mtnrabi/travel-agent-skills/travel-brief.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 | $0.00305 | $0.02354 |
| Opus 5 | $0.00152 | $0.01177 |
| Sonnet 5 | $0.00061 | $0.00471 |
| Haiku 4.5 | $0.00030 | $0.00235 |
Grade A, and why
travel-brief scanned grade A with 1 finding 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 12d 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.
Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
curl -sS -X POST 'https://google-flights-live-api.p.rapidapi.com/api/google_flights/roundtrip/v1' \ How it starts
The opening of the file, as written. The whole thing — 97 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Travel Brief
Overview
This skill is the presentation layer: it re-runs the search itself under one fresh timestamp — rather than reformatting numbers quoted earlier in the conversation — and lays the results out the way a human travel agent would send them to a client: recommendation first, then a comparison table, then the price verdict, then the links, then the timestamp. Use travel-data-api for auth, base URL, and endpoint details, and prefer the hosted MCP tools when a client is configured. Both trip types carry buy_link, price_range_in_relation_to_other_periods, price_insights_low, and price_insights_high. The rest of the table is built from different keys per trip type: one-way items give price / price_as_number, airline, stops, duration, departure_description, and arrival_description; round-trip items give total_price / total_price_as_number, total_stops, total_duration_seconds, and per-leg fields such as departure_flight_airline, departure_flight_stops, departure_flight_duration, departure_flight_departure_description, and their return_flight_* counterparts. Hotel shortlist items from POST /search give name, price_string, price, review_score, review_count, room_type, location, image_url, and link; POST /hotel_by_name returns those for a single property plus available and nights.
Sources for a Brief
| Section of the brief | REST endpoint | MCP tool |
|---|---|---|
| Flight options, one-way | POST /api/google_flights/oneway/v1 |
search_oneway_flights |
| Flight options, round-trip | POST /api/google_flights/roundtrip/v1 |
search_roundtrip_flights |
| Hotel shortlist at a destination | POST /search |
n/a |
| One named property's price and availability | POST /hotel_by_name |
n/a |
Flights host: google-flights-live-api.p.rapidapi.com. Hotels host: booking-live-api.p.rapidapi.com.
Workflow
- Refetch, never reformat old data. If the results are more than a few minutes old, or came from an earlier message, run the search again. A brief is a document someone will act on, so it must carry a fresh fetch and the moment it happened.
- Stamp the fetch time before you call, in UTC, and carry that one timestamp through the whole brief.
- Pick the recommendation yourself. Choose one option and say why in one sentence — cheapest, shortest, non-stop, best value against the historical band. A list with no pick is not a brief.
- Build the comparison table from at most 3–5 options, sorted client-side on
price_as_numberortotal_price_as_number. - Read the verdict off the recommended item:
price_range_in_relation_to_other_periodsplus theprice_insights_low–price_insights_highband, and put it in its own line. - Close with the links, the checked-at line, and the non-affiliation line.
What ships with it
1 file 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.
- 12d ago First seen · 97 lines · 305 tokens per session scan A 3231d65269dc
travel-brief is a skill published in the GitHub repository mtnrabi/travel-agent-skills (4 stars, last pushed 8d ago), licensed MIT. It adds 305 tokens to every session and 2,354 once invoked, about $0.0015 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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