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harshith-vaddiparthyharshith-vaddiparthy/finance-skills/skills/contract-to-invoice/SKILL.md

contract-to-invoice

Skill4 starsChanged 7 months agoMITView on GitHub

Use when extracting billing obligations from contracts, order forms, SOWs, pricing tables, or amendments and comparing them against draft or issued invoices.

The file

We split this skill into the rules it gives an agent

3 rules. About 0 are common, 3 are distinctive, and 0 are very specific to this project.

  • ≈0

    Common · estimate

    Many files like this have a rule of this kind.

  • ≈3

    Distinctive · estimate

    This author's own choices. Worth a look.

  • 0

    Very specific

    Tied to their project's names, files or tools. Probably skip.

  • Common
  • Distinctive
  • Very specific
  1. Distinctive:

    Use this skill to compare what a customer contract says should be billed against what an invoice shows.

    line 8
  2. Distinctive:

    Do not interpret ambiguous legal terms as final.

    line 45
  3. Distinctive:

    Do not approve an invoice for sending when material terms are missing.

    line 46

≈ “Common” is an estimate: at least 1 in 5 of the 350,495 skill files we read have a rule of the same kind, not the same words. “Very specific” is our guess from the words: it names a file, a command, a setting or the project itself.

Keep what fits and drop the rest. Your version, ready for your agents.
Files
SKILL.md

Contract To Invoice

Use this skill to compare what a customer contract says should be billed against what an invoice shows.

Inputs

  • Contract, order form, SOW, amendment, or pricing excerpt.
  • Invoice draft or issued invoice.
  • Billing period, subscription start and end dates, renewal terms, usage terms, and discounts.
  • Any billing policy for proration, taxes, credits, or minimums.

Workflow

  1. Extract billing terms: customer, product, quantity, price, discount, term, billing frequency, start date, end date, minimums, overages, taxes, payment terms, and special conditions.
  2. Compare extracted terms to invoice lines.
  3. Recalculate invoice expectations where enough data exists.
  4. Classify exceptions:
    • Missing line.
    • Extra line.
    • Incorrect quantity.
    • Incorrect rate.
    • Incorrect billing period.
    • Missing discount or credit.
    • Tax or payment-term mismatch.
    • Ambiguous contract language.
  5. Identify whether each exception is customer-facing, accounting-only, or requires legal or sales review.

Output

Return:

  • Contract billing summary.
  • Invoice comparison table with expected value, invoice value, variance, source reference, and confidence.
  • Exception list with severity and owner.
  • Questions for sales, legal, billing, or the customer.

Guardrails

  • Quote short source snippets only when needed and keep them minimal.
  • Do not interpret ambiguous legal terms as final. Escalate ambiguity.
  • Do not approve an invoice for sending when material terms are missing.
  • Preserve source references so reviewers can verify every variance.

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