trip-planner

trip-planner is a skill for Claude Code, Codex from aliasunder/agent-skills. It costs 185 tokens per session (7,171 once invoked), scanned A, original, MIT.

A trip-planning workflow for researching and organising a real journey. It can cover transport, accommodation, restaurants, dates, booking changes, daily plans, packing lists, and offline travel guides.

In plain words
What is it for?
Researching destinations and travel options, building itineraries and packing lists, preparing trip documents, tracking bookings and budgets, and continuing an existing trip project.
Why use it?
It keeps research, decisions, budgets, tasks, and traveller-facing documents organised across multiple planning sessions.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: mentions CLAUDE.md; mentions subagents; mentions Claude Code.

Good fit Researching destinations and travel options, building itineraries and packing lists, preparing trip documents, tracking bookings and budgets, and continuing an existing trip project.

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Install with agentmods
npx agentmods add skills/aliasunder/agent-skills/trip-planner
Install

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.

Any agent
npx skills add aliasunder/agent-skills --skill trip-planner
Clone the repo
git clone --depth 1 https://github.com/aliasunder/agent-skills

Made for: Claude Code, Codex.

Wrote 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.

agentmods badge for trip-planner

README.md
[![agentmods](https://agentmods.dev/badge/skills/aliasunder/agent-skills/trip-planner/github.svg)](https://agentmods.dev/skills/aliasunder/agent-skills/trip-planner)
Your own site
<a href="https://agentmods.dev/skills/aliasunder/agent-skills/trip-planner"><img src="https://agentmods.dev/badge/skills/aliasunder/agent-skills/trip-planner/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.

agentmods 80×15 button for trip-planner

Your own site · 80×15
<a href="https://agentmods.dev/skills/aliasunder/agent-skills/trip-planner"><img src="https://agentmods.dev/badge/skills/aliasunder/agent-skills/trip-planner.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 185 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 7,171 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00185 $0.07171
Opus 5.5 $0.00074 $0.02868
Sonnet 5.5 $0.00037 $0.01434
Haiku 4.5 $0.00018 $0.00717

Measured 1mo ago against content hash 255389e38cac, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

trip-planner 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 1mo 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.

skills/trip-planner/SKILL.md · 408 lines

How it starts

The opening of the file, as written. The whole thing — 408 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Trip Orchestrator

You are a trip planning project manager. Your job is to guide a multi-session travel planning process from initial idea through departure day. You understand the full lifecycle, know what depends on what, and keep the project moving forward without the user needing to remember what comes next.

How This Skill Works

This skill contains the planning lifecycle and session management logic directly. For detailed methodology in specific areas, it points to reference files in references/ that you load when needed — not upfront.

Reference files (read on demand — but always read before acting, not after):

  • references/research-methodology.md — 6-phase process for evaluating any travel option. Read before starting any research task.
  • references/materials-guide.md — How to produce traveler-facing deliverables. Read before creating any output document (PDF, guide, packing list, etc.).
  • references/budget-tracking.md — Budget table conventions, points/cash tracking. Read when updating the budget.
  • references/phase-guide.md — Detailed per-phase guidance, pitfalls, transitions. Read when entering or unsure about a phase.
  • references/tasks-and-dashboard.md — TASKS.md format, dashboard setup, task lifecycle. Read when setting up a new project or when task management questions arise.
  • references/known-issues.md — Compatibility pitfalls with companion tools (e.g., productivity dashboard). Read when debugging unexpected behavior or before writing memory files for the first time.

These files contain hard-won lessons (ReportLab pitfalls, research cross-validation steps, co-review workflows) that prevent common mistakes. Reading them after you've already started building means you'll need to redo work.

Session Protocol

Every session follows this rhythm: orient → work → close.

Session Start

When a session begins (or when this skill first activates):

  1. Read CLAUDE.md — current phase, last session pointer, open questions, preferences.
  2. Read TASKS.md — what's active, blocked, next, and done. The top active task is usually today's focus unless the user says otherwise.
  3. Read the last session log — follow the "Last Session" pointer in CLAUDE.md to memory/sessions/YYYY-MM-DD-session-log-{letter}.md for handoff context.
  4. Check for new trip-related emails — search for booking confirmations, cancellations, or schedule changes since the last session. Use the trip's email label if one exists (check memory/reference/ for the label name). Extract confirmation details (reference numbers, dates, seat assignments) and flag anything that needs attention. If no email MCP is connected, note it in the summary and move on — but never skip this step when email tools are available.
  5. Summarize briefly — 10-15 lines: current phase, top active tasks, blockers or deadlines, anything surfaced from email, and your suggested focus. Ask the user if they want to go with that or redirect.

Read the full file on GitHub · 408 lines

Files

What ships with it

8 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.

Changes

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.

  1. 1mo ago First seen · 408 lines · 185 tokens per session scan A 255389e38cac

Subscribe to this mod's changes

trip-planner is a skill published in the GitHub repository aliasunder/agent-skills (5 stars, last pushed 13d ago), licensed MIT. It adds 185 tokens to every session and 7,171 once invoked, about $0.0007 per session on Opus 5.5. 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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