close-day-checklist

close-day-checklist is a skill for Claude Code from DaizeDong/buy-me-a-car. It costs 114 tokens per session (4,539 once invoked), scanned A, original, MIT.

A day-of checklist for a car buyer who is ready to sign a purchase agreement. It covers cash, financing, trade-ins, electric vehicles, pickups, dealer add-ons, lien payoff, and vehicle pickup.

In plain words
What is it for?
Use it before or during closing to prepare payment, handle a trade-in or loan payoff, refuse unwanted finance-office add-ons, complete electric-vehicle paperwork, and check the vehicle at pickup.
Why use it?
It helps prevent last-minute paperwork mistakes and unexpected charges at the dealership. It is intended for a deal whose out-the-door price is already agreed in writing.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: positional $N argument; mentions Codex.

Part of the buy-me-a-car plugin — 16 skills shipped together

Good fit Use it before or during closing to prepare payment, handle a trade-in or loan payoff, refuse unwanted finance-office add-ons, complete electric-vehicle paperwork, and check the vehicle at pickup.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/daizedong/buy-me-a-car/close-day-checklist
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 DaizeDong/buy-me-a-car --skill close-day-checklist
Clone the repo
git clone --depth 1 https://github.com/DaizeDong/buy-me-a-car

Made for: Claude Code.

Or install buy-me-a-car, the plugin that ships this one along with the rest of its 16 skills.

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 close-day-checklist

README.md
[![agentmods](https://agentmods.dev/badge/skills/daizedong/buy-me-a-car/close-day-checklist/github.svg)](https://agentmods.dev/skills/daizedong/buy-me-a-car/close-day-checklist)
Your own site
<a href="https://agentmods.dev/skills/daizedong/buy-me-a-car/close-day-checklist"><img src="https://agentmods.dev/badge/skills/daizedong/buy-me-a-car/close-day-checklist/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 close-day-checklist

Your own site · 80×15
<a href="https://agentmods.dev/skills/daizedong/buy-me-a-car/close-day-checklist"><img src="https://agentmods.dev/badge/skills/daizedong/buy-me-a-car/close-day-checklist.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 114 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 4,539 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 $0.00114 $0.04539
Opus 5 $0.00057 $0.02269
Sonnet 5 $0.00023 $0.00908
Haiku 4.5 $0.00011 $0.00454

Measured 12d ago against content hash be99565d455f, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

close-day-checklist 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 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.

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/close-day-checklist/SKILL.md · 311 lines

How it starts

The opening of the file, as written. The whole thing — 311 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Close Day Checklist

Caveat: this skill is one author's playbook + 5-scenario stress test. Verify state fees / CPO terms / EV credits / dealer practices against current sources before quoting numbers to a dealer or making financial decisions. Not tax, legal, or financial advice. last_verified: 2026-05-18

Narrow sub-skill: buyer has a locked OTD in writing and is heading to the dealer to sign. No re-negotiation, no fresh outreach. For the full 9-phase workflow load ../orchestrator/SKILL.md; for upstream counter / follow-up drafting load dealer-reply-drafter.

When To Use

  • Buyer is signing today or tomorrow and needs a sub-checklist by buyer type
  • Buyer wants the F&I add-on refusal script to read verbatim at the F&I desk
  • Buyer has a trade with active lien and needs the payoff workflow
  • Buyer is an EV buyer and needs day-of EV mechanics (state rebate paperwork, battery/SoH, charging, NOTE: federal §30D POS credit transfer is TERMINATED 2025-09-30, historical only)
  • Buyer is buying a pickup and needs the truck-specific PPI quick checklist

When NOT To Use

  • OTD not yet locked in writing (use orchestrator Phase 6 / dealer-reply-drafter first)
  • CARFAX not yet reviewed (use carfax-pdf-review sub-skill)
  • PPI not yet booked (use ../orchestrator/references/ppi_booking.md)
  • Buyer wants to renegotiate at the F&I desk (don't - escalate per gotcha P3 F&I hard-no script)

Critical Rules Invoked

  • Critical Rule #4: Read the actual CARFAX PDF yourself. Verbal "clean 1-owner" has a real failure rate. See gotcha V2. Re-confirm CARFAX was read end-to-end BEFORE close day.
  • Critical Rule #1: Plain ASCII in every outbound email. Close-day GM heads-up email + F&I hard-no email must be ASCII only.

Close-Day Re-Confirmation (do this BEFORE buyer drives to dealer)

Re-read the close-day logistics mini-table from criteria.md and confirm each line:

  • Bank cut-off + branch + hours (cashier's check issued same morning?)
  • Insurance carrier (for binder + policy number)
  • Plate decision (transfer existing vs new plates - saves $25-150 in most states)
  • Available time windows on close day
  • ID set (driver's license, secondary ID, proof of residence)
  • Funding instrument (cash, cashier's check, wire, captive financing, CU financing)

Read the full file on GitHub · 311 lines

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. 12d ago First seen · 311 lines · 114 tokens per session scan A be99565d455f

Subscribe to this mod's changes

close-day-checklist is a skill published in the GitHub repository DaizeDong/buy-me-a-car (5 stars, last pushed 8d ago), licensed MIT. It adds 114 tokens to every session and 4,539 once invoked, about $0.0006 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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