DevMesh

Agentic Development Environment - DevMesh

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DevMesh What inspired me to build it I was using every coding agent at once — and none of them knew the others existed. Claude in one terminal tab. Codex in another. Gemini somewhere else. A fourth window where I was trying opencode. No shared context, no coordination — just me, copy-pasting between windows like a human API gateway, holding the whole plan in my head because none of the tools could. At some point I stopped and asked: why am I the integration layer? I don't manage my human teammates by pasting messages between their desks. I wanted something that felt like running a small dev team — assign roles, let them coordinate, watch the work, step in when needed. That tool didn't exist. So I built it. The problems I'm actually trying to solve 1. Vendor lock-in is a tax on developers. Every model is best at something different, but the tools force you to pick one ecosystem. DevMesh runs Claude, Codex, Gemini and opencode side by side — OAuth in with your accounts, or bring your own keys. Your models, your billing, your choice. 2. "One super-agent" is less reliable than a coordinated team. A single agent can write code. But shipping software is planning + building + reviewing + testing — different perspectives with different priorities. That's a team problem, not a prompt problem. So DevMesh has Swarm mode: a Coordinator decomposes the goal, Builders implement, Scouts explore, Reviewers and QA check the work — all in parallel, coordinating through a shared kanban and mailbox. 3. Agentic tools went black-box, and developers hate that. I don't want a summary of what an agent decided — I want to read the terminal. DevMesh keeps everything in tabbed terminals you watch in real time. Full transparency, full ability to intervene. 4. Your source code shouldn't leave your machine to get this. DevMesh is local-first. Agents, terminals and state all run on your Mac. Nothing routes through someone else's cloud. That's not a feature bullet — it's the whole foundation. How the approach evolved while building it It started as a weekend prototype: an Electron app with tabbed terminals. Honestly just a nicer way to juggle the tabs I already had. Then I added the ability to run agents from different providers in the same window — and that was the first moment it felt like more than a terminal multiplexer. Mixing models wasn't a gimmick; it was the point. But independent agents weren't enough. They'd duplicate work, step on each other, burn tokens going in circles. That's when I realized parallelism without coordination is just faster chaos — and Swarm mode was born: roles, a coordinator, a structured communication layer. A few things I learned the hard way: - Multi-agent orchestration is 80% communication design, 20% model capability. The hard part isn't the models — it's how they talk to each other. - Developers don't want dashboards. They want terminals they can read. Every time I added abstraction, it got worse. I kept ripping it back out. - A well-coordinated team of mid-tier models beats one frontier model doing everything. Same as human teams. - Desktop apps are still a viable path in 2026. Not everything needs to be SaaS — and "local-first" turned out to be the most-requested thing, not a niche preference. Today it's the tool I use every single day to build itself. And now it's live for everyone. Orchestrate every coding agent. Locally. → devmesh.app