← All use casesCortex for developers

Your coding brain —
persistent across sessions.

Every AI session starts fresh. Cortex fixes that. Architecture decisions, incident logs, meeting notes — one searchable memory whether you're in Cursor, Claude.ai, or Claude Code.

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Free to start · 7-day trial on paid plans/Works with every MCP client/Solo or team
A day in the life
“Monday 9:03am. You open Cursor in a repo you haven't touched in three weeks. Instead of re-explaining the project, Claude pulls up the last ADR, the open issues, and the decisions from the brain. By 9:07 you're coding, not context-loading.”
· Workflows ·

How you’ll actually use it.

Four specific workflows — not the glossy marketing version, the one-hand-on-keyboard version.

01

Onboarding a stale repo

A repo you haven't touched in three weeks. Standup is in 30 minutes.

  1. 1Open Cursor. Ask Claude: "what's the state of this project?"
  2. 2Cortex returns the last ADR, recent decisions, open threads — via MCP.
  3. 3You walk into standup with full context, four minutes after opening the editor.
>what's the state of this project? recap recent decisions and open threads.
02

ADRs that stick

You decide to switch from Redis to DragonflyDB. Three weeks later, a new engineer asks why.

  1. 1Write the decision in Cortex as you make it — Claude saves it via chat in seconds.
  2. 2Auto-tagged `#adr #infra` and scoped to the project it belongs to.
  3. 3New engineer asks "why Dragonfly?" — Cortex finds the note, cites it, onboarding done.
>remember: switched cache from redis to dragonflydb because of pubsub latency. ADR #12.
03

Incident context, retained

A production regression at 11pm on Friday. You debug, fix, ship. You need the story for Monday.

  1. 1Drop your postmortem draft into Cortex — it becomes a searchable neuron.
  2. 2AI summarises the incident into one neuron with timeline and root cause.
  3. 3Monday: open the neuron, read it to the team, file it in the project brain.
04

PR review without amnesia

A teammate opens a PR touching auth code you wrote six months ago.

  1. 1Ask Claude "review this PR against our auth decisions" — it queries Cortex.
  2. 2Old ADRs surface. Claude flags the exact line where the PR diverges.
  3. 3You leave a 2-line comment instead of a 40-minute archaeology session.
>review this PR against our auth decisions. flag any divergence.
· From a beta user ·
“Cortex replaced our team wiki and half our Slack threads. The memory layer means nobody asks "where is that doc?" anymore.”
S
Sarah K.
Engineering Lead

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