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Published on · by The Bromure team

Bromure Agentic Coding 3.0: Fusion mode

Bromure Agentic Coding 3.0 introduces Fusion: flip the ⚡ in a session's title bar and every prose turn is answered by a panel of up to three models — judged and synthesized in the proxy, handed back to your coding agent as a single answer, with every leg recorded in the trace. This release also shares subscriptions across sessions, lets session VMs talk to each other, and fixes double-character Backspace in the Codex and Grok TUIs.

Bromure Agentic Coding runs your coding agent inside a disposable Linux VM, with a man-in-the-middle proxy on the host watching every byte it sends to the model APIs. Version 3.0 puts that vantage point to new use with Fusion — and rounds out the release with shared subscriptions, VM-to-VM networking, and a handful of TUI fixes.

New

  • Fusion mode — a panel of models, on the wire. Flip the ⚡ in an agent session's title bar and Fusion turns one outbound Claude request into a quick committee: the prompt goes to up to three models in parallel, a judge maps where they agree, conflict, and fall short, and a synthesizer writes the single final answer — handed back to your coding agent in the exact wire shape it expected. It fuses only the prose turns, so the fast tool loop (run-tests, read-failure, patch-file) is never touched, and every leg lands in the same session trace as everything else the agent did. Read the deep dive → or see Bromure Agentic Coding.

Improvements

  • Subscriptions are shared across sessions. Sign in once with your Claude, ChatGPT, or Grok plan and every session reuses that subscription — no more registering each session separately with Anthropic, OpenAI, and x.ai. Tokens are swapped on the wire per request, so the agent never holds a real credential.
  • Session VMs can talk to each other. Bromure now runs its own DHCP server on the shared virtual switch, so every session's VM gets a distinct address and can reach the others — handy for multi-agent and multi-service workflows that span more than one box.

Fixed

  • Backspace deletes one character in Codex and Grok. The Codex and Grok TUIs enable kitty's keyboard protocol, which re-emitted each Backspace, Enter, and Tab on key release — so one keypress registered twice and deleted two characters. Each key now sends a single byte, on press only.

Bromure Agentic Coding is free and open source on Apple Silicon. Grab 3.0 on the downloads page, or learn more →.