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Spellbook

AI contract drafting inside Microsoft Word.

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About

Spellbook (spellbook.legal) is the AI contract tool: drafting, redlining, and review inside Microsoft Word, aimed at transactional lawyers and in-house teams.

The Word-native pick — meets lawyers where they already draft. Per-user pricing (provider list price).

What it can do

  • Word-native drafting
  • AI redlining
  • Contract review
  • Clause library

Setup

  1. Sign up at spellbook.legal.
  2. Install the Word add-in.
  3. Draft and redline with AI.
  4. Review suggestions inline.

Prerequisites

Account; Microsoft Word.

Use cases

legalautomation

Works with

Generic APIAny agent (.md)

Trust score — 6/10

/10 trustMetrics-checked

Scored 6/10 (metrics tier). Strong Word-native contract tool with real traction, but smaller than the platform players. Proprietary, provider-estimated adoption. Metrics tier.

How the trust score is built

Full methodology →
Adoption · stars/downloads, log-scaled vs peers
7.0/10
Maintenance · recency, releases, issue load
5.0/10
Openness · license + docs
4.8/10
Manual review · sanity read + red-flag check
7.0/10
  • · provider-tier estimate — thinner evidence (no public adoption metric)
  • · Real traction — provider-tier estimate
  • · no release date — neutral maintenance score
  • · Word-native contract tool; real traction, smaller scale. Closed SaaS.

Sources

Every fact above was checked against these sources. Where a claim comes from the provider and couldn't be independently verified, the text says so.