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npx skills add seb1n/awesome-ai-agent-skills --skill budget-planning
Create and manage budgets with variance analysis and departmental allocation. Use when the user requests budget planning or provides relevant inputs for this workflow.
npx skills add seb1n/awesome-ai-agent-skills --skill budget-planning
Create structured budgets by department, track actual spending against targets, and produce variance analyses that explain deviations. This skill supports top-down and bottom-up budgeting approaches, handles multi-department allocation, and generates actionable reports that highlight where spending is on track and where corrective action is needed.
Gather Historical Data Collect 6-12 months of actual spending data broken down by department and cost category. Identify trends, seasonal patterns, and one-time expenses that should be excluded from baseline calculations. Compute trailing averages and growth rates for each line item to establish a data-driven starting point.
Set Budget Targets by Department Define top-level budget envelopes for each department based on company revenue targets, strategic priorities, and historical run rates. Apply growth adjustments — departments investing in new initiatives may get 15-25% increases while mature cost centers target flat or declining budgets. Ensure the sum of department budgets aligns with the company-wide operating expense target.
Allocate Line Items Break each department budget into specific line items: personnel (salaries, benefits, contractors), software and tools, travel, marketing spend, office and facilities, professional services, and discretionary. Assign monthly phasing — some costs are evenly distributed while others are front-loaded (annual software renewals) or seasonal (Q4 marketing pushes).
Track Actuals vs. Budget As actual spending data comes in, map each transaction to the corresponding budget line item and period. Calculate period-to-date (MTD, QTD, YTD) actuals and compare against the phased budget. Compute both absolute dollar variance and percentage variance for each line item.
Generate Variance Reports Produce variance analysis showing over- and under-budget categories with explanations. Classify variances as timing (spending shifted between months but will normalize), volume (more/less activity than planned), rate (unit costs differ from plan), or permanent (structural change requiring budget revision). Project year-end estimates based on current run rates.
Recommend Adjustments Based on variance trends, recommend specific budget reallocations: pull forward unused budget from under-spending departments to cover overages elsewhere, or flag line items where a formal budget revision is warranted. Provide a revised forecast alongside the original budget for comparison.
Provide historical spending data, department structure, and any top-level targets or constraints. Specify the budget period (monthly, quarterly, annual) and any known upcoming expenses.
Example prompt:
Create a Q1 2025 budget for our Engineering, Marketing, and G&A departments. Engineering had $180K/month average spend last quarter, Marketing $95K, G&A $45K. We're targeting 10% overall expense reduction. Show the budget with monthly phasing and major line items.
Input: 3 departments, Q1 2025, 10% reduction target from Q4 2024 baseline of $320K/month.
Output — Q1 2025 Budget:
| Line Item | Department | January | February | March | Q1 Total |
|---|---|---|---|---|---|
| Salaries & Benefits | Engineering | $112,000 | $112,000 | $112,000 | $336,000 |
| Contractors | Engineering | $25,000 | $25,000 | $20,000 | $70,000 |
| Cloud Infrastructure | Engineering | $18,500 | $19,000 | $19,500 | $57,000 |
| Software & Tools | Engineering | $8,200 | $6,200 | $6,200 | $20,600 |
| Engineering Subtotal | $163,700 | $162,200 | $157,700 | $483,600 | |
| Salaries & Benefits | Marketing | $42,000 | $42,000 | $42,000 | $126,000 |
| Advertising & Paid Media | Marketing | $22,000 | $25,000 | $28,000 | $75,000 |
| Events & Sponsorships | Marketing | $5,000 | $2,000 | $12,000 | $19,000 |
| Content & Creative | Marketing | $8,000 | $8,000 | $8,000 | $24,000 |
| Marketing Subtotal | $77,000 | $77,000 | $90,000 | $244,000 | |
| Salaries & Benefits | G&A | $22,000 | $22,000 | $22,000 | $66,000 |
| Rent & Facilities | G&A | $12,000 | $12,000 | $12,000 | $36,000 |
| Insurance & Legal | G&A | $4,500 | $4,500 | $4,500 | $13,500 |
| Office & Miscellaneous | G&A | $2,500 | $2,500 | $2,500 | $7,500 |
| G&A Subtotal | $41,000 | $41,000 | $41,000 | $123,000 | |
| Company Total | $281,700 | $280,200 | $288,700 | $850,600 |
vs. Baseline: Q4 2024 run rate was $320K/month ($960K/quarter). Q1 budget of $850.6K represents an 11.4% reduction, exceeding the 10% target by $9.4K.
Input: February actuals received, compare against Q1 budget from Example 1.
Output — February Variance Report:
| Line Item | Budget | Actual | Variance $ | Variance % | Classification |
|---|---|---|---|---|---|
| Engineering — Salaries | $112,000 | $112,000 | $0 | 0.0% | On track |
| Engineering — Contractors | $25,000 | $31,200 | +$6,200 | +24.8% | Volume |
| Engineering — Cloud | $19,000 | $22,400 | +$3,400 | +17.9% | Volume |
| Engineering — Software | $6,200 | $6,200 | $0 | 0.0% | On track |
| Marketing — Salaries | $42,000 | $42,000 | $0 | 0.0% | On track |
| Marketing — Advertising | $25,000 | $18,500 | -$6,500 | -26.0% | Timing |
| Marketing — Events | $2,000 | $0 | -$2,000 | -100.0% | Timing |
| Marketing — Content | $8,000 | $9,200 | +$1,200 | +15.0% | Rate |
| G&A — All Lines | $41,000 | $40,100 | -$900 | -2.2% | On track |
| Total | $280,200 | $281,600 | +$1,400 | +0.5% |
Analysis: