OpenAgreements

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Demo: Claude fills a Common Paper Mutual NDA in under 2 minutes. Sped up for brevity.

Fill standard legal agreement templates and get signable DOCX files. 41 templates covering NDAs, cloud service agreements, employment docs, contractor agreements, SAFEs, and NVCA financing documents.

Works with Claude Code, Gemini CLI, and Cursor.

Install

npm install -g open-agreements

Or run directly with zero install:

npx -y open-agreements@latest list

Quick Start

With Claude Code (zero install)

Just ask Claude:

> Fill the Common Paper mutual NDA for my company

Claude discovers templates, interviews you for field values, and renders a signed-ready DOCX. No install needed — Claude runs npx on demand.

With Gemini CLI

gemini extensions install https://github.com/open-agreements/open-agreements

Then ask Gemini to draft an agreement.

With the CLI

# See all available templates
open-agreements list

# Fill a template from a JSON data file
open-agreements fill common-paper-mutual-nda -d values.json -o my-nda.docx

# Fill with inline values
open-agreements fill common-paper-mutual-nda --set party_1_name="Acme Corp" --set governing_law="Delaware"

Example Prompts

• "Draft an NDA for our construction subcontractor"
• "Create a consulting agreement for our insurance agency"
• "Fill the independent contractor agreement for a freelance designer"
• "Generate a SAFE with a $5M valuation cap"

What Happens

1. The agent runs list --json to discover templates and their fields
2. It interviews you for field values (grouped by section, a few at a time)
3. It runs fill <template> to render a DOCX preserving all original formatting
4. You review and sign the output document

Templates

41 templates across 7 categories. Run open-agreements list for the full inventory.

• NDAs — Mutual and one-way (Common Paper, Bonterms)
• Cloud & SaaS — Cloud service agreements, order forms, SLAs, pilot agreements, software licenses
• Services & Contractors — Professional services, independent contractor, SOW (Common Paper, Bonterms)
• Employment — Offer letter, IP assignment, confidentiality acknowledgement, restrictive covenant
• Data Privacy — DPA, BAA, AI addendum (Common Paper)
• SAFEs — Valuation cap, discount, MFN, pro rata side letter (Y Combinator)
• Venture Financing — Stock purchase, certificate of incorporation, investors' rights, voting, ROFR, indemnification, management rights letter (NVCA)

Internal templates are CC BY 4.0. YC SAFEs are CC BY-ND 4.0 (vendored unchanged). NVCA documents are downloaded on demand from nvca.org (not bundled).

What Gets Installed

open-agreements/
  bin/                    # CLI entry point
  dist/                   # Compiled TypeScript
  content/
    templates/            # Fillable DOCX templates with {tag} placeholders
    external/             # YC SAFE templates (vendored unchanged)
  skills/                 # Agent skill definitions (Claude Code, Gemini, Cursor)
  server.json             # MCP server manifest
  gemini-extension.json   # Gemini CLI extension config
  README.md, LICENSE

NVCA recipe templates (7) are downloaded at runtime — not bundled in the package.

open-agreements list

# Machine-readable JSON (for agent skills and automation)
open-agreements list --json

# From a JSON data file
open-agreements fill common-paper-mutual-nda -d data.json -o output.docx

# With inline --set flags
open-agreements fill common-paper-mutual-nda --set party_1_name="Acme Corp" --set governing_law="Delaware"

open-agreements validate                          # All templates
open-agreements validate common-paper-mutual-nda  # One template

npx skills add open-agreements/open-agreements

gemini extensions install https://github.com/open-agreements/open-agreements

Privacy

• Local mode (npx, global install, stdio MCP): all processing happens on your machine. No document content is sent externally.
• Hosted mode (https://openagreements.org/api/mcp): template filling runs server-side. No filled documents are stored after the response is returned.

See our Privacy Policy for details.

Built With OpenAgreements

• Safe Clause — AI-powered contract platform for startups. #1 on vibecode.law, March 2026.

Building on OpenAgreements? Open a PR to add your project.

See Also

• safe-docx — surgical editing of existing Word documents with coding agents (MCP server)

Contributing

See CONTRIBUTING.md for how to add templates, recipes, and other improvements.

License

MIT. Template content is licensed by their respective authors — CC BY 4.0 (Common Paper, Bonterms), CC BY-ND 4.0 (Y Combinator), or proprietary (NVCA, downloaded at runtime). See each template's metadata.yaml for details.

This tool generates documents from standard templates. It does not provide legal advice. Consult an attorney for legal guidance.