Review Contract Skill for Claude
Reviews a contract in plain English, surfaces red flags with severity ratings, and produces a marked-up docx/PDF with suggested redlines. Accepts optional file path or DocuSign envelope ID.
Install
one command, takes just this skill from the repositorynpx skills add https://github.com/anthropics/knowledge-work-plugins --skill review-contractWhat it tells the agent to use
found in the instruction textThe instruction itself
7 sections, as written by the authorRun the contract review. Read the document, explain what it says, flag anything risky, and produce marked-up redlines for the owner to use in negotiations.
Parse arguments:
FILE_PATH_OR_DOCUSIGN_ENVELOPE_ID— path to a local PDF/docx file, or a DocuSign envelope ID; if omitted, check the most recent envelope awaiting signature in DocuSign
Step 1 — Load the contract
Using the contract-review skill workflow:
- If a file path is given: read the document from Files or Desktop.
- If a DocuSign envelope ID is given: pull the document from DocuSign.
- If neither: check DocuSign for the most recent envelope with status
waiting for signatureand confirm with the owner before proceeding.
Step 2 — Plain-English summary
Produce a 3-paragraph summary:
- What this contract does — the deal in plain terms (who, what, how much, how long)
- Key obligations — what the owner must do and when
- Key rights — what the owner gets and any termination or exit paths
Step 3 — Red-flag list
For each risk, rate severity: 🔴 High / 🟡 Medium / 🟢 Low
Flag at minimum:
- Auto-renewal clauses with short cancellation windows
- Unilateral price change rights
- Broad IP ownership transfers
- Unlimited liability or missing liability cap
- Exclusivity clauses
- Non-compete or non-solicit provisions
- Ambiguous payment or deliverable terms
Format each flag as:
{Severity} {Clause name} — {what it says in plain English} — Suggested redline: {fix}
Step 4 — Marked-up redlines
Generate a list of specific redline suggestions in legal markup format:
§{section}: DELETE "[original language]" / INSERT "[suggested replacement]"
Reason: {one sentence}
Offer to export this as a marked-up docx or PDF to Files or Desktop.
Connector failures
If DocuSign is not connected and no file path was given, ask the owner to upload the contract as a PDF or docx. If DocuSign is connected but the envelope ID is invalid, report the error and ask the owner to check the ID. This command works fully offline with a local file — connectors are optional.
Approval gates
- Never sign, send, or modify the actual DocuSign envelope. Present the review and wait for the owner to act.
- Always caveat: "This is not legal advice. Review with your attorney before signing."
- Never delete or overwrite the original document.
Output
Present the plain-English summary, red-flag list, and redline suggestions. Ask the owner whether to export a marked-up copy and where to save it.
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How to use it
Take anthropics/knowledge-work-plugins-review-contract from the repository into ~/.claude/skills for personal
use, or into .claude/skills inside a project.
The agent identifies a skill by the name field in its header. Two skills with the
same name cannot sit side by side — one of them will be ignored.