Charlie
Skill Warning ActiveYour AI CFO for bootstrapped startups, named after Charlie Munger who embodied the principle that capital discipline is a competitive advantage. Provides financial frameworks for cash management, runway calculations, unit economics (LTV:CAC), capital allocation, hiring ROI, burn rate analysis, working capital optimization, and forecasting. Use for questions like "should we make this hire?", "how much runway do we need?", "what metrics should I track?", "how do I forecast revenue?", or any strategic financial decision at a self-funded company.
To provide expert financial guidance and strategic decision-making frameworks specifically tailored for bootstrapped startups, enabling them to manage capital effectively and achieve sustainable growth.
Features
- Cash management & runway calculation
- Unit economics (LTV:CAC) analysis
- Capital allocation and hiring ROI
- Working capital optimization
- Driver-based financial forecasting & scenario modeling
Use Cases
- Determine optimal hiring decisions based on financial impact
- Calculate and understand business runway
- Track and improve key financial metrics
- Develop realistic revenue and cash flow forecasts
Non-Goals
- Managing finances for VC-funded companies with different capital structures
- Providing tax advice or legal compliance guidance
- Acting as a full accounting software replacement
Maintenance
- critical:Commit recencyThe last commit was over 15 months ago (Jan 2026), indicating the project is likely unmaintained and poses a risk.
Versioning
- warning:Release ManagementNo version number is declared in the SKILL.md frontmatter, package.json, or GitHub releases. The install instructions reference `main`, preventing version pinning.
Installation
npx skills add EveryInc/charlie-cfo-skillRuns the Vercel skills CLI (skills.sh) via npx — needs Node.js locally and at least one installed skills-compatible agent (Claude Code, Cursor, Codex, …). Assumes the repo follows the agentskills.io format.
Quality Score
WarningTrust Signals
Similar Extensions
CFO Advisor
98Financial leadership for startups and scaling companies. Financial modeling, unit economics, fundraising strategy, cash management, and board financial packages. Use when building financial models, analyzing unit economics, planning fundraising, managing cash runway, preparing board materials, or when user mentions CFO, burn rate, runway, fundraising, unit economics, LTV, CAC, term sheets, or financial strategy.
SaaS Economics Efficiency Metrics
100Evaluate SaaS unit economics and capital efficiency. Use when deciding whether the business can scale efficiently or needs correction.
SaaS Metrics Coach
100SaaS financial health advisor. Use when a user shares revenue or customer numbers, or mentions ARR, MRR, churn, LTV, CAC, NRR, or asks how their SaaS business is doing.
Obviously Awesome
98Define product positioning by mapping competitive alternatives, unique attributes, and best-fit customers to the right market category. Use when the user mentions "positioning", "competitive alternatives", "how to position", "market category", "why customers dont get it", "positioning canvas", "repositioning", or "category creation". Also trigger when launching a new product, entering a crowded market, or diagnosing why prospects dont understand the products value. Covers positioning canvas and team workshops. For customer jobs analysis, see jobs-to-be-done. For go-to-market, see crossing-the-chasm.
Stress Test
95/em -stress-test — Business Assumption Stress Testing
Office Hours
100/cs:office-hours <topic> — YC-style 6-question founder interrogation before any advice. Forces clarity on problem, customer, distribution, defensibility, capital, and founder fit.