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Catenary

Catenary

AI

Local-first spatial IDE that orchestrates Claude Code, Codex, Cursor, and other coding agents on an infinite canvas with visual context wires.

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Starting from Free
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About Catenary

Catenary is a desktop IDE that gives AI coding agents a spatial workspace instead of a stack of terminal tabs. Terminals, Monaco editors, browsers, and parallel git worktrees all float on one infinite canvas that users pan, zoom, and rearrange, so several agents — Claude Code, Codex, Cursor, Grok, OpenCode, Pi — can be watched working at once. Context moves between them through directed wires: drag a wire from one panel to an agent and the context follows, either relaying automatically when the source goes quiet or standing as a permission the downstream agent draws on. A one-click New Task button spins up an isolated branch, working directory, and agent so experiments never touch the working tree, and Monaco's side-by-side diffs show exactly what each agent changed before anything is kept. Maestro Mode lets one agent recruit and brief a team of up to ten helpers, with every action surfacing an editable approval card first. The app is local-first with no account and no telemetry: it contacts only two hosts, a GitHub Releases file for update checks and its own licence endpoint, and never transmits source code, prompts, terminal output, or API keys.

Key Features

Infinite Canvas: Terminals, Monaco editors, browsers, and git worktrees float on one pannable, zoomable surface so every agent stays visible at once.
Context Wires: Drag a directed wire between panels to pass context to another agent, set to relay automatically or act as a standing permission.
One-Click Worktrees: The New Task button creates an isolated branch, working directory, and agent, colour-coded across sidebar, dock, and canvas.
Monaco Diffs: VS Code's editor inside the canvas with git-aware file tree and side-by-side diffs of everything an agent touched.
Maestro Mode: One agent recruits, briefs, and wires a team of up to ten helpers, with an editable approval card before every action.
Multi-Project Parallelism: Run several projects at once, each with its own canvas and multiple isolated branches, with state preserved on switch.
Local-First Privacy: No account, no telemetry, and zero bytes of source code, prompts, or keys sent anywhere; only two outbound hosts total.
Bring Your Own Keys: Agent CLIs talk directly to Anthropic, OpenAI, or Google with your own keys, or to Ollama and LM Studio on localhost.

Use Cases

A developer runs three coding agents on separate branches simultaneously and watches all of them without losing track of any.
An engineer delegates a specific subtask from one agent to another by dragging a wire instead of copy-pasting context between windows.
A team working under strict data policies needs an agent IDE that provably never uploads source code.
A solo builder ships several experiments in parallel isolated worktrees without polluting the main working tree.
A reviewer wants side-by-side diffs of agent-authored changes before deciding what to keep.
A user orchestrates a self-organizing squad of agents while keeping human approval on every structural change.

Frequently asked questions about Catenary

What is Catenary?

Local-first spatial IDE that orchestrates Claude Code, Codex, Cursor, and other coding agents on an infinite canvas with visual context wires.

How does Catenary work?

Catenary works by combining Infinite Canvas: Terminals, Monaco editors, browsers, and git worktrees float on one pannable, zoomable surface so every agent stays visible at once., Context Wires: Drag a directed wire between panels to pass context to another agent, set to relay automatically or act as a standing permission., One-Click Worktrees: The New Task button creates an isolated branch, working directory, and agent, colour-coded across sidebar, dock, and canvas., Monaco Diffs: VS Code's editor inside the canvas with git-aware file tree and side-by-side diffs of everything an agent touched., Maestro Mode: One agent recruits, briefs, and wires a team of up to ten helpers, with an editable approval card before every action. to help users with A developer runs three coding agents on separate branches simultaneously and watches all of them without losing track of any., An engineer delegates a specific subtask from one agent to another by dragging a wire instead of copy-pasting context between windows., A team working under strict data policies needs an agent IDE that provably never uploads source code., A solo builder ships several experiments in parallel isolated worktrees without polluting the main working tree., A reviewer wants side-by-side diffs of agent-authored changes before deciding what to keep..

What are the main features of Catenary?

Key features include Infinite Canvas: Terminals, Monaco editors, browsers, and git worktrees float on one pannable, zoomable surface so every agent stays visible at once., Context Wires: Drag a directed wire between panels to pass context to another agent, set to relay automatically or act as a standing permission., One-Click Worktrees: The New Task button creates an isolated branch, working directory, and agent, colour-coded across sidebar, dock, and canvas., Monaco Diffs: VS Code's editor inside the canvas with git-aware file tree and side-by-side diffs of everything an agent touched., Maestro Mode: One agent recruits, briefs, and wires a team of up to ten helpers, with an editable approval card before every action..

Who is Catenary for?

Catenary is useful for anyone interested in A developer runs three coding agents on separate branches simultaneously and watches all of them without losing track of any., An engineer delegates a specific subtask from one agent to another by dragging a wire instead of copy-pasting context between windows., A team working under strict data policies needs an agent IDE that provably never uploads source code., A solo builder ships several experiments in parallel isolated worktrees without polluting the main working tree., A reviewer wants side-by-side diffs of agent-authored changes before deciding what to keep..

How much does Catenary cost?

Catenary offers a free tier with paid plans for advanced features.

How do I get started with Catenary?

Visit https://thecatenary.app/ to sign up and explore Catenary.

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