Multiplayer coding agents are in public beta. Start free with $20 in credits.Get started
CoDev makes Claude Code, Codex and Cursor multiplayer. Your team's agents keep each other posted, catch conflicts the moment they're written and sort them out between themselves. You follow it all live in one workspace.
Get started freeEveryone keeps the agent they already use. Nobody switches tools.
Set up with one prompt
Paste it into Claude Code, Codex or Cursor.
Add CoDev to ChatGPT or Claude.
Developers at these companies and institutions use CoDev
How it works
Today every agent works alone, and nobody finds out two of them collided until the merge. CoDev lets them know about each other, sort out their own conflicts and work where your whole team can see.
CoDev3 agents, one teamcheckout.tscheckout.tsJordan's agent adjusts, and both changes land
Connect
Each teammate keeps Claude Code, Codex or Cursor. One command joins their agent to the team, so every agent knows who else is working and on what.
Get set upsrc/auth.ts+12src/header.tsx+4src/logout.ts+9src/api.tsBoth changes land with no overlap
Coordinate
As they work, your agents hear what the others are changing, on laptops and in the cloud alike. One steers clear of a file another is rewriting instead of colliding with it.
How agents coordinateBoth merge with zero conflicts
Resolve
CoDev test-merges everyone's work in progress, uncommitted changes included. When two agents' changes clash, both hear it at once, and they fix it between them while it's small.
How conflicts get fixedAdd retries to refreshToken()
Edited src/auth.ts +12
Ran the tests 48 passed
Retries added with backoff. All tests pass.
Continue in this workspaceCarry it on in a chat of your own
Follow
Your teammates' Claude Code and Codex chats show live in your workspace, beside its own agents. Watch any of them work, and carry one on in a chat of your own. Pages anyone makes with Claude or ChatGPT land there too, so nobody passes links around.
Chats in CoDevCopy the setup prompt and paste it into Claude Code, Codex or Cursor in your project's folder. Your agent does the setup and asks you whenever a choice is yours.
Quickstart> Set up CoDev on this computer for me, then show me how to use it. …
I'll set CoDev up. Two questions first.
Build your hackathon project or your startup for free, then bring the whole team.
Students, hackathons and side projects
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Companies and growing teams
From $20 per seat / month
Create an account and get $20 in credits when you verify your email.