Files
pm-claude-skills/exports/aider/pm-finance/budget-variance-analysis/budget-variance-analysis.md
T
mohitagw15856 036511ab3e Windsurf + Aider targets, MCP server, and demo placement (#33)
Broadens both reach (more tools) and content types (an MCP server), continuing
the multi-platform story.

Windsurf + Aider:
- build-exports.mjs gains two platforms: exports/windsurf/*.md (workspace rules,
  trigger: model_decision) and exports/aider/*.md (conventions for `aider --read`).
  Now 5 platforms (ChatGPT, Gemini, Cursor, Windsurf, Aider).
- install.sh + bin/cli.mjs install both (windsurf -> .windsurf/rules, aider ->
  .aider/skills with a --read hint); generated README index is excluded from copies.
- One-line windsurf-install.sh / aider-install.sh wrappers for parity.

MCP server (new content type):
- mcp/server.mjs — zero-dependency stdio MCP server exposing list_skills,
  search_skills, get_skill. Published as a second bin (pm-claude-skills-mcp).
  Logs to stderr; reads bundled skills/ at startup. mcp/README.md documents
  client config.

Also: README hero "See it in action" demo placement (ready to swap in a GIF;
recording guide in web/docs-assets/README.md), Works-With table + exports +
install docs updated, CHANGELOG Unreleased. package.json files/bin updated.


Claude-Session: https://claude.ai/code/session_016JWn5jRD5tcEFKrubjQ6Px

Co-authored-by: Claude <noreply@anthropic.com>
2026-06-17 23:15:38 +01:00

2.4 KiB

Budget Variance Analysis Skill

Produces a complete variance analysis from numbers through to root cause explanation and management commentary.

Required Inputs

  • Actuals and budget figures (paste as table or describe line by line)
  • Period (month / quarter / YTD)
  • Materiality threshold (e.g. £10k or 5%)
  • Known reasons for variances (if any)
  • Audience (CFO / board / management / auditor)

Output Structure

1. Variance Summary Table

Line Item Budget Actual Variance £ Variance % F/A
Revenue
Cost of Sales
Gross Profit
Opex
EBITDA

F = Favourable | A = Adverse

2. Material Variance Commentary

For each variance above threshold:

[Line item] — £[amount] F/A ([%])

  • Root cause: [Specific explanation — not "timing" without detail]
  • Permanent or timing? Will this reverse next period?
  • Management action: What is being done
  • Forecast impact: Does this change full-year outlook?

3. Top 3 Variances Requiring Attention

Ranked by materiality and strategic significance.

4. Forecast Revision

Does the full-year forecast need updating? State revised expectation and key assumptions.

5. Executive Summary

3-4 sentences of management commentary suitable for a board pack.

Quality Checks

  • All variances above threshold explained
  • Root causes specific (not vague)
  • Favourable/Adverse correctly labelled
  • Forecast impact stated for material variances

Anti-Patterns

  • Do not explain a variance as "timing" without specifying which period it will reverse into and what amount is expected
  • Do not label a favourable variance on a cost line without checking whether it is due to underspend, delayed spend, or reduced activity — the cause determines whether it is genuinely good news
  • Do not omit variances below the materiality threshold entirely — note them collectively so the reader knows they exist and were reviewed
  • Do not present a variance analysis without a forecast impact statement for material items — historical variances without forward implications are incomplete

Example Trigger Phrases

  • "Write a variance analysis for these actuals vs budget: [paste]"
  • "Explain why we are over budget on [cost line]"
  • "Write the variance commentary for our finance review"
  • "Produce a budget vs actual analysis for Q[N]"