Codex Memory Kit
Repo-local memory + workflow rules for Codex. Ship fast without rewriting history.
.codex/
Memory Bank
decisions
Keep workflows append-only
Lock modes per repo
Guard context with scopes
Modes
design-first
Consistency enforced
Guard
Mutation
Append-only logs
Memory active
Working directory locked
Seamless across tools
Work anywhere, stay consistent
Terminal, editor, or browser—MemKit keeps context synchronized with append-only history and modes.
memkit sync && memkit log --append
Seamless
Command Line
Memory scope locks · Mode: design-first
Seamless
VS Code Extension
Memory Bank (Local)
Keep every decision locked in place
Memory Bank (Local)
Keep every decision locked in place
Everything stored in .codex/ — context, constraints, patterns, glossary. Append-only decision + history logs. No silent rewrites.
Modes
Different workflows for different stages
Modes
Different workflows for different stages
Pick the right workflow: design-first, yolo, existing, or memory-only. Choose once, stay consistent.
features
Built for Codex teams, powered by consistency
Smart, flexible, and built around your team workflow
Memory Bank (Local)
Everything stored in .codex — context, constraints, patterns, glossary.
Mutation Guards
Append-only decision + history logs. No silent rewrites.
Memory Scope Locks
Lock files or sections so nothing changes without explicit unlock.
Git Hygiene
Standard .gitignore block keeps artifacts and noise out.
Skills + MCP Heuristics
Codex picks the right skill and uses tools automatically.
Spec Kit Integration
Optional Spec Kit integration and Spec YOLO from MASTER_SPEC.md.
integrations
Integrates seamlessly with tools you already use
“MemKit stopped our constant context loss. Now Codex ships features without rewriting decisions.”
Sarah Chen
Engineering Lead, Vercel
As a fast-moving team, we needed Codex to stay predictable. MemKit’s modes and guards make that happen.
MemKit User
Product Team
We used to lose hours to Codex rewrites. Memory locks changed everything.
MemKit User
Product Team
MemKit’s design-first mode keeps our UI consistent without micromanagement.
MemKit User
Product Team
Managing Codex used to mean constant supervision. This platform keeps our AI agent disciplined.
MemKit User
Product Team
As a fast-moving team, we needed Codex to stay predictable. MemKit’s modes and guards make that happen.
MemKit User
Product Team
We used to lose hours to Codex rewrites. Memory locks changed everything.
MemKit User
Product Team
MemKit’s design-first mode keeps our UI consistent without micromanagement.
MemKit User
Product Team
Managing Codex used to mean constant supervision. This platform keeps our AI agent disciplined.
MemKit User
Product Team
pricing
Simple plans for serious teams
MemKit Basic
Free
For solo developers with light needs.
- Memory bank
- Mutation guards
- Git hygiene
- One mode (memory-only)
MemKit Premium
$249/yr
Save 20% with annual billing
Everything in Basic plus full modes and locks.
- All four modes
- Memory scope locks
- Skill heuristics
- Priority support
MemKit Enterprise
Custom
For teams who need bespoke workflows and integrations.
- Custom skill integrations
- Team onboarding
- SSO support
- Dedicated support
blog
Ideas to level-up your Codex workflow
Must Read
How to structure memory for AI agents
Learn the append-only pattern that stops context drift.
Workflows
Top 10 Codex workflow patterns
ReadGuards
A complete guide to mutation guards
ReadModes
Memory-only mode: when to use it
ReadCommunity
Stay in the loop
Ready to get started?
Download MemoryKit or dive into the docs to wire append-only memory, scoped locks, and modes into your repos.