Getting it into your agent
It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.
git clone --depth 1 https://github.com/larsboes/Axonnpx agentmods add skills/larsboes/axon/travelWrote 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/larsboes/axon/travel)<a href="https://agentmods.dev/skills/larsboes/axon/travel"><img src="https://agentmods.dev/badge/skills/larsboes/axon/travel/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/larsboes/axon/travel"><img src="https://agentmods.dev/badge/skills/larsboes/axon/travel.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 | $0.00096 | $0.00928 |
| Opus 5 | $0.00048 | $0.00464 |
| Sonnet 5 | $0.00019 | $0.00186 |
| Haiku 4.5 | $0.00010 | $0.00093 |
Grade A, and why
travel 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 9d 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.
axon capability call <name> <get|post|put|patch|delete> <path> [body] [curl-args...] How it starts
The opening of the file, as written. The whole thing — 84 lines — stays where its author put it; the contents beside it link to each section on GitHub.
travel
Five capabilities answer five different questions, and the order they are asked in decides whether the answer is worth anything. That order, and the joins that quietly return nothing, are what this skill carries. The routes are not: every capability serves its own manifest.
axon capability list
axon capability call transit get /routes
Who answers what
| Capability | Owns | Worth knowing |
|---|---|---|
| calendar | feasibility verdicts, feasible windows, dated commitments | A verdict is soft. conflicts is still returned, never hidden |
| transit | journey search, split-ticket chains, rail ticket extraction | Owns no idea why a day is possible |
| punctuality | measured delay history per station, train type and hour | Measured, not predicted, and not transfer risk |
| scouting | opportunity discovery, scoring and event routing | Owns no time and no itinerary |
| trips | the plan and its items | Owns no search at all. It stores what was decided |
The order
- calendar —
GET /api/windows?from=&to=&min_days=returns the runs of days travel is possible in, each carrying the days inside it that would cost a travel day. - transit — search only those days. Over HTTP that is
GET /api/search?from=&to=&time=per day. For a fuzzy multi-destination fan-out use the CLI:transit plan --datestakes the day list from step 1 verbatim. There is noplanroute on the server. - trips —
POST /api/plans, thenPOST /api/plans/:id/itemsfor the connection, event or stay that was chosen.
Running 2 before 1 samples a month of dates and prices the ones nobody can travel on. Calendar
publishes the days and transit never asks for them; the caller moves the list across. The
argument for that direction is in capabilities/calendar/README.md § Calendar hands the days
over.
--dates is mutually exclusive with --date-from/--date-to, and --max-queries still caps
the fan-out.
Calling a capability
axon capability call <name> <get|post|put|patch|delete> <path> [body] [curl-args...]
axon capability url calendar
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.
- 9d ago First seen · 84 lines · 96 tokens per session scan A aa0ff9fd04ef
travel is a skill published in the GitHub repository larsboes/Axon (1 stars, last pushed today), licensed MIT. It adds 96 tokens to every session and 928 once invoked, about $0.0005 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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