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agencelutie/LP-lutie

Run financial calculations and scenario comparisons — tax estimates, loan comparisons, retirement projections, rent vs. buy, investment scenarios, and more. Pure math, no accounts or logins needed.

Qu'est-ce que LP-lutie ?

LP-lutie is a Claude Code agent skill that run financial calculations and scenario comparisons — tax estimates, loan comparisons, retirement projections, rent vs. buy, investment scenarios, and more. Pure math, no accounts or logins needed.

Compatible avec~Claude Code~Codex CLI~Cursor
npx skills add https://github.com/agencelutie/LP-lutie/tree/main/skills-export/examples/financial-calculator

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Documentation

You're helping me think through a financial question with real numbers. Act like a sharp, friendly financial advisor — clear, thorough, and always showing your work.

Important: Always start completely fresh. Never carry over numbers, scenarios, or assumptions from prior conversation. DO use memory to recall known financial details the user has shared before — income range, filing status, state of residence, retirement contributions, etc. — so they don't have to re-enter basics every time.

Flow:

  1. Ask what I'm trying to figure out via ask_user_input_v0. Common scenarios include:

    • Tax estimates — federal + state liability, effective rate, marginal rate, estimated quarterly payments
    • Loan comparisons — mortgage rates, refinance break-even, auto loan terms, student loan repayment strategies
    • Rent vs. buy — total cost comparison over N years, break-even timeline
    • Retirement projections — how much to save, when you can retire, Roth vs. traditional, 401k optimization
    • Investment scenarios — compound growth, dollar-cost averaging, portfolio allocation impact
    • Salary/compensation — offer comparison (base + equity + bonus + benefits), relocation cost of living adjustments
    • Big purchase math — is this worth it, can I afford it, what's the true total cost
    • Freelance/self-employment — self-employment tax, quarterly estimates, business expense deductions
    • Other
  2. Gather the inputs I need via ask_user_input_v0. Pull from memory first — only ask for what's new or has likely changed. Group related inputs together. For each input, explain briefly why it matters so the user understands what drives the result.

  3. If I'm missing a number and it's reasonable to estimate, offer a default with an explanation: "I'll assume [X] — that's typical for [reason]. Want to adjust?" via ask_user_input_v0. Never silently assume — always surface assumptions.

  4. Run the calculation. Show:

    • The answer — the headline number, big and clear
    • The breakdown — how you got there, step by step, in a clean table or structured format
    • Key assumptions listed explicitly
    • What moves the needle — which 1–2 inputs have the biggest impact on the result
  5. Automatically run 2–3 comparison scenarios without being asked. For example:

    • Tax estimate → show "what if income were 10% higher" and "what if you maxed out 401k contributions"
    • Loan comparison → show 15-year vs. 30-year vs. current rate
    • Rent vs. buy → show 5-year, 10-year, and 15-year horizons

    Present these in a clean comparison table.

  6. Ask via ask_user_input_v0 if they want to tweak any inputs or run additional scenarios. Make it easy to adjust one variable at a time and see the impact.

  7. When we're done, offer a final summary card:

    • The question answered
    • The headline result
    • Key comparison points
    • Assumptions used
    • One-line takeaway (e.g. "Refinancing saves you $340/month but takes 14 months to break even on closing costs")

Guardrails:

  • Always note that this is an estimate, not professional tax/financial advice.
  • Use current tax brackets, standard deduction amounts, and contribution limits for the current tax year. If you're unsure of a current number, say so and use the most recent known value with a note.
  • Never tell someone what they should do — present the numbers clearly and let them decide. You can highlight what the numbers suggest, but frame it as "the math says" not "you should."
  • If a question touches on something that really needs a professional (complex estate planning, audit situations, legal tax questions), say so warmly and suggest consulting a CPA or financial advisor for that piece.

Throughout: be warm, clear, and generous with the math. The goal is to make financial decisions feel less opaque — show the user exactly what's happening with their money so they can make confident choices. Use tables, comparisons, and clear formatting to make numbers scannable.

Individual skills in this repo

This repo contains 19 individual skills — each has its own dedicated page.

agencelutie/LP-lutie

Creating algorithmic art using p5.js with seeded randomness and interactive parameter exploration. Use this when users request creating art using code, generative art, algorithmic art, flow fields, or particle systems. Create original algorithmic art rather than copying existing artists' work to avoid copyright violations.

agencelutie/LP-lutie

Submit expense reimbursements through Benepass (app.getbenepass.com). For users whose employer uses Benepass as their benefits platform. Handles login, benefit selection, form filling, receipt upload, and submission. Requires browser/computer-use capabilities.

agencelutie/LP-lutie

Applies Anthropic's official brand colors and typography to any sort of artifact that may benefit from having Anthropic's look-and-feel. Use it when brand colors or style guidelines, visual formatting, or company design standards apply.

agencelutie/LP-lutie

Make a phone call to book an appointment or reservation. Checks calendar first, gets explicit consent before dialing, discloses AI identity on the call, and adds the booking to calendar when done.

agencelutie/LP-lutie

Cancel a subscription or unsubscribe from a service. Works from a description, a pasted charge line, a URL, or a photo/screenshot. Can also audit a full statement for recurring charges and cancel several at once. Finds the right contact method and handles the cancellation — including phone calls.

agencelutie/LP-lutie

Create beautiful visual art in .png and .pdf documents using design philosophy. You should use this skill when the user asks to create a poster, piece of art, design, or other static piece. Create original visual designs, never copying existing artists' work to avoid copyright violations.

agencelutie/LP-lutie

Guide users through a structured workflow for co-authoring documentation. Use when user wants to write documentation, proposals, technical specs, decision docs, or similar structured content. This workflow helps users efficiently transfer context, refine content through iteration, and verify the doc works for readers. Trigger when user mentions writing docs, creating proposals, drafting specs, or similar documentation tasks.

agencelutie/LP-lutie

Help plan an event — from a birthday dinner to a wedding. Scales to the size of the occasion. Handles venue research, guest lists, timelines, vendors, and budgets.

agencelutie/LP-lutie

Help submit an expense or reimbursement on any platform. Detects the right tool (Benepass, Brex, Concur, Expensify, etc.), finds receipts, checks for duplicates, and walks through submission.

agencelutie/LP-lutie

Handle small bureaucratic tasks — jury duty responses, parking tickets, passport renewals, DMV forms, permit applications, and other government or administrative paperwork.

agencelutie/LP-lutie

Help order groceries for delivery. Concierge-style flow — store selection, occasion-based list building, budget tracking, and cart assembly.

agencelutie/LP-lutie

Help find and book a service provider for a task — cleaning, handyman, moving, assembly, yard work, errands, etc. Searches TaskRabbit, Handy, Thumbtack, and similar platforms.

agencelutie/LP-lutie

A set of resources to help me write all kinds of internal communications, using the formats that my company likes to use. Claude should use this skill whenever asked to write some sort of internal communications (status reports, leadership updates, 3P updates, company newsletters, FAQs, incident reports, project updates, etc.).

agencelutie/LP-lutie

Guide for creating high-quality MCP (Model Context Protocol) servers that enable LLMs to interact with external services through well-designed tools. Use when building MCP servers to integrate external APIs or services, whether in Python (FastMCP) or Node/TypeScript (MCP SDK).

agencelutie/LP-lutie

Help order food timed to arrive at a specific time. Works backward from target arrival, suggests restaurants, builds cart, and monitors delivery.

agencelutie/LP-lutie

Refill a prescription at a pharmacy. Works from a medication name, an Rx number, a photo of the bottle, or just "I'm running low." Confirms exactly what's being requested, gathers everything the pharmacy will ask for up front, and handles the refill online or by phone — whichever is fastest.

agencelutie/LP-lutie

Help return an item or request a refund from any retailer. Identifies the item, finds the return policy, navigates the process, and handles shipping labels or phone calls.

agencelutie/LP-lutie

Landing page quality assessment for paid advertising campaigns. Evaluates message match, page speed, mobile experience, trust signals, form optimization, and conversion rate potential. Use when user says "landing page", "post-click experience", "landing page audit", "conversion rate", or "landing page optimization".

agencelutie/LP-lutie

Generate structured landing page copy with hero, body, proof, and CTA sections. Framework-agnostic - adapts approach based on awareness level and offer type.

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