Price checked Nov 1, 2026

New launch review · AI coding tools

agentmash Review (2026)

agentmash review: a coordination layer for teams whose developers each run their own coding agents (Claude Code, Codex, Cursor, Copilot and more). Before an agent edits a file a teammate’s agent has changed, agentmash warns it, and you can ask a teammate’s agent a question that runs only after they approve.

  • Free: $0, up to 2 developers, 1 private repo
  • Team: $20/dev/mo ($16 billed yearly), first month free
  • Agents: never counted, unlimited
  • Launched: Product Hunt, Oct 31, 2026

Last updated: . First reviewed November 1, 2026. Official-site review of a new launch. We have not tested agentmash hands-on. Prices come from agentmash.dev/pricing.

This is the price at the moment we wrote this review (November 1, 2026). The price may have changed by the time you read it, so check the official site for today’s price.

New launch, not tested hands-on. agentmash (“open-source multiplayer AI for teams’ coding agents”) was in the Product Hunt feed on October 31, 2026 (2:08 PM ET). Everything below comes from agentmash.dev and its pricing page. We have not run it with a team.

No affiliate program found. We found no affiliate program for agentmash (agentmash.dev/affiliate returns 404, checked November 1, 2026). We earn nothing from links on this page.

Summary

Quick verdict: a smart answer to a new problem: five developers, each with two or three coding agents, all editing the same repo. agentmash tells each agent who changed a file first and keeps edits additive, so conflicts show up before the merge. You pay per developer, never per agent: free for two developers on one private repo, then $20 per developer a month ($16 billed yearly). The impressive benchmark charts on the site are agentmash’s own numbers.

  • Every agent gets a heads-up before it edits a file a teammate changed: who, when and on which branch.
  • Agents can claim paths up front so they divide the work; with strict mode, an edit into a teammate’s change waits for a reason.
  • Ask a teammate’s agent to look at something; nothing runs until they approve, and it runs on their machine and account.
  • Desktop app for Mac and Windows runs 8 agents on your own logins; the CLI (npx agentmash login) connects 20.
  • Price: Free $0 (2 developers, 1 private repo, 7 days of history); Team $20 per developer a month, or $16 billed yearly; Enterprise from $15,000 a year with self-hosting.
  • Code stays on your machine by default; the shared “room” sees the shape of the work, and live diffs, if turned on, are held in memory only.

Watch: agentmash in 60 seconds

Made by SaaS Finder Hub from agentmash’s public website screenshots. Voiceover is AI-generated. Prices in the video are as of Nov 1, 2026 and may have changed; check the official site for today’s price.

Pricing

Source: agentmash.dev/pricing, checked November 1, 2026. Prices in US dollars; sales tax or VAT is added at checkout by Polar, the reseller and merchant of record.

PlanPriceDevelopersPrivate reposHistoryHosting
Free$0Up to 21 (public unlimited)7 daysagentmash servers
Team$20 per developer a month; $16 billed yearly; first month freeAs many as you haveUnlimitedUp to 90 daysagentmash servers
EnterpriseFrom $15,000 a year, invoicedScoped with youScopedScopedSelf-hosted (private Docker image)

On a phone, swipe the table sideways to see every column.

Price snapshot: This is the price at the moment we wrote this review (November 1, 2026). The price may have changed by the time you read it, so check the official site for today’s price.

  • Agents are never counted. A developer counts once per period if their agent reported to agentmash at least once.
  • On Free, a third developer is asked to upgrade; the first two keep working.
  • Team history starts at 7 days until a room admin raises it (up to 90).
  • The coding agents themselves (Claude, ChatGPT, Cursor, Copilot) are billed by their own providers.

What agentmash costs a team (our math)

Team sizeMonthly billingYearly billing
2 developers$0 (Free)$0 (Free)
5 developers$100 a month ($1,200 a year)$80 a month ($960 a year)
10 developers$200 a month ($2,400 a year)$160 a month ($1,920 a year)

Our arithmetic from the official per-developer prices on November 1, 2026 (the 5-developer figures match the site’s own example), before tax. Team’s first month is free.

See agentmash official pricing

Not an affiliate link. agentmash has no affiliate program that we could find, so we earn nothing from this link.

Price history

CheckedFreeTeam (monthly)Team (yearly)Enterprise
$0 (2 devs)$20/dev/mo$16/dev/moFrom $15k/yr

We re-check this page every month and add a row.

Features

From agentmash.dev and its pricing page, November 1, 2026. Described, not tested.

  • Parallel-edit warnings: before a write, the agent is told a teammate has uncommitted changes to that file, even ones that only exist on their machine.
  • Claims: agents say which paths they are taking, so work is split before it starts.
  • A person decides overlaps: Claude Code, Codex and Copilot tell the developer at the keyboard when two agents change one file.
  • Ask a teammate’s agent: send a prompt (read only or can edit) that waits for their approval.
  • Live room view: who is online, which agent is doing what, and history per repository.
  • MCP tools: your agent can ask “who else is in this repo?” mid-plan.
  • The crew: 22 ready-made Claude Code agents, one per job.
  • Team chat: recent messages reach every agent in the room before its next prompt.

Who it’s for

  • Teams of 3 to 20 developers who each run coding agents on a shared repo and keep hitting merge conflicts.
  • Leads who want to see what every agent on the team is doing right now.
  • Pairs and duos: two developers on one private repo pay nothing.
  • Not for you if you code alone, or your company can’t send even file names and branch activity to an outside server (self-hosting starts at $15,000 a year).

Related on SaaS Finder Hub

The catch

The big numbers are self-reported, and it’s brand new.

  • The charts (98.6% of overlaps caught, 33% lower cost per task) are agentmash’s own benchmark, not an independent test.
  • Product Hunt calls it open source, but we found no public repository or license linked on agentmash.dev.
  • Below Enterprise, the coordination data (file names, branches, claims) goes through agentmash’s servers.
  • It only helps if every developer on the repo installs it; Free stops at 2 developers.
  • Launched October 31, 2026, so there is no track record yet.

Verdict

  • Start free with two developers on one private repo to see whether the warnings actually prevent conflicts.
  • Move to Team ($20 per developer a month, or $16 billed yearly) only once the whole team runs agents daily; the first month is free.
  • Ask about data before rolling it out at work: check what the room stores and for how long.

This is the price at the moment we wrote this review (November 1, 2026). The price may have changed by the time you read it, so check the official site for today’s price.

Worth trying if: several people on your team run coding agents on the same repo and merge conflicts eat your afternoons.

Skip it if: you work alone, or you can’t route any repository activity through a third-party server.

Not tested hands-on. Prices can change; re-check agentmash.dev/pricing before you buy.

agentmash FAQ

How much does agentmash cost?

As of November 1, 2026, agentmash is free for up to 2 developers (1 private repo, 7 days of history). Team costs $20 per developer a month, or $16 per developer a month billed yearly, with the first month free. Enterprise with self-hosting starts at $15,000 a year. Agents are never counted.

What is the main downside of agentmash?

It is brand new, its performance claims come from its own benchmark, and on Free and Team plans the coordination data runs through agentmash’s servers; self-hosting needs the Enterprise plan.

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