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mixus/The Platform
The Platform

Work in email.
Work in Word.

mixus connects the places legal work already happens. Use the agent from email, Word, or both, and use playbooks to control what it drafts, flags, and cites.

Book a demoAdd to Word
System 01

Playbooks: rules the agent can actually follow.

Upload prior work and mixus turns it into review rules: preferred language, fallback positions, required clauses, and unacceptable terms. Attorneys can edit the playbook before the agent uses it.

PlaybookMSA v3.1 · Lumengrid

§ 4.2 Limitation of Liability

Starting position2× annual fees, with $2.5M floor for enterprise customers.
Fallback1.5× annual fees with $1.5M floor; escalate to senior reviewer if counterparty refuses.
UnacceptableAny cap below $1M · mutual exclusions of indirect damages without carve-outs.
Versioned · 14 rules · Last edited by M. Hartwell · 03 Apr
System 02

Attorney decisions
improve every run.

Accepted, edited, and dismissed suggestions show where the playbook needs to change. mixus turns repeated reviewer decisions into proposed rules attorneys can approve.

Reviewer signals28 days
↑ Accepted · §4.2 liability fallback
✎ Edited · §7 IP assignment carve-out
↑ Accepted · §4.2 liability fallback
× Dismissed · §12 audit rights
↑ Accepted · §4.2 liability fallback
✎ Edited · §9 termination notice
Synthesized ruleconf 0.91 · 14 signals

“In enterprise MSAs, always propose liability caps at ≥ 2× annual fees with a $2.5M floor, and preserve carve-outs for gross negligence, willful misconduct, and Section 8 indemnification. Fallback: 1.5× / $1.5M.”

Rule MSA-LIAB-021 · authored by the system, approved by M. Hartwell
System 03

Start in email or Word

Start a review from an email thread or directly inside Word. Either way, the agent uses the same playbook and all decisions are tracked.

Institutional Memory4 playbooks · 218 rules · v.2026.04
  • PB·001MSA Redline: Enterprise63 rules · 0.87 avg confv3.1 · 03 Apr
  • PB·002NDA Redline: Disclosing Party41 rules · 0.92 avg confv2.4 · 28 Mar
  • PB·003Series A Pro Forma74 rules · 0.84 avg confv1.9 · 12 Mar
  • PB·004M&A Waterfall: Participating Pref.40 rules · 0.81 avg confv1.2 · 04 Mar
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built for confidential client work.

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