LarkiumGive your agent the right context.
Mention files, add terminal output, search your codebase, or connect approved MCP tools. Choose your model and keep its credentials in the OS keychain.
Set up your model → An open-source editor by 
Your editor.
Your models.
Your control.
Code with agents that work alongside you. Choose your model, follow the evidence, and review changes before they reach your project.
No Larkium account. Bring your own provider or run a local model.
- Cloud or local models
- Reviewed agent edits
- Isolated worktrees
- Inspectable test evidence
- Open source · MIT
OPEN SOURCE MIT licensedMODEL CHOICE Cloud or localAGENT WORK Visible and reviewableYOUR WORKSPACE Always in context
From request to reviewed change
Keep the work close.
Keep the decisions yours.
Chat, code, terminal output and proposed changes belong together. Larkium makes the path between them inspectable.
Chat + context
Let specialists work alongside you.
Define agents for your project. Writing specialists use isolated worktrees, attach test evidence and propose changes for explicit review and Apply.
Meet your specialists →Run a command. Keep the evidence.
Run a suggested command in the right workspace terminal. Inspect output, exit status and test failures, then let the originating agent follow up.
Try Run in terminal →Switch chats without losing momentum.
Submitted work continues in its own conversation. History flags unread completions and failures, with saved tool output ready when you return.
Follow background work →Built to be yours
A familiar editor.
An open foundation.
Larkium builds on VSCodium and the open-source editor ecosystem. Use Open VSX extensions, your existing tools, and models you configure yourself.
No Larkium account or Larkium service subscription. Cloud providers may charge for model use; local models use your own hardware.
Explore the sourceGet started
Make room for your next idea.
Current development version 0.1.1. Public binary downloads appear here once they are published with checksums.
macOS
Apple SiliconLocally validated preview. Public download pending.
No public binary yetWindows
x64Package validation is still in progress.
No public binary yetLinux
x64Package validation is still in progress.
No public binary yetExtension
VSCodium / compatible editorsBuild and install the extension from source.
Source availableTry it from source today.
Build instructions ↗Build the extension for a compatible editor, or follow the native build guide. Public signing and broader platform validation are still in progress.