Bring Caether into your terminal.

A powerful coding agent and CLI for complex coding work.

> irm https://caether.ai/cli/install.ps1 | iex
[ 02 ]
What Caether Build can do
01 · Skills

Adapts to your workflow. Instantly.

Caether Build adapts to your workflows and preferences with skills. AGENTS.md, plugins, hooks, and MCP servers all work out of the box.

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>caether-build · always-approve
  • AGENTS.md, plugins, hooks, and MCP servers out of the box
  • Auto-invoked when a task matches, or called by name
  • Capture any session as a new skill with /skillify
02 · Plan

Architect complex projects. With control.

The plan viewer makes it easy to architect complex projects. Start in plan mode — every edit is blocked until you approve the full strategy.

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>caether-build · plan
  • Start in plan mode for complex tasks — every edit is blocked until you approve
  • Approve the plan, comment on individual steps, or rewrite it entirely
  • Every approved change shows up as a clean diff
03 · Plugins

Share capabilities across your team.

Marketplaces help you share capabilities across your team. Bundle skills, agents, hooks, and MCP servers behind one install.

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>caether-build · ask
  • Bundle skills, agents, hooks, and MCP servers behind one install
  • Marketplace install, or self-host from any git repo
  • Linear, Sentry, Postgres, browsers — anything with MCP
04 · Q&A

Asks the right questions to nail the details.

Caether Build asks the right questions to nail the details. Ambiguous tasks get a quick multiple-choice — answers flow straight into the plan.

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>caether-build · ask
  • Ambiguous tasks get a quick multiple-choice
  • Pick a design direction, a framework, or a schema
  • Answers flow straight into the plan
05 · Subagents

Research, build, and review in parallel.

Subagents run in parallel to research, build, and review at once. Caether Build delegates larger tasks to specialised subagents with their own context windows.

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>caether-build · subagents
  • Caether Build delegates larger tasks to specialized subagents
  • Each child runs in parallel with its own context window
  • Deep worktree support — launch subagents in their own worktrees

Everything you need to ship.

One tool for the entire development workflow — plan, build, test, and deploy.

Plan mode

Propose a structured approach before writing code

Subagents

Spawn parallel agents for testing and research

Skills

Turn workflows into reusable slash commands

Hooks

Run scripts on file edits and tool calls

MCP servers

Connect to Linear, Sentry, Grafana, and more

AGENTS.md

Set conventions and rules per directory

Memory

Persist decisions and context across sessions

Code search

Grep and navigate large codebases fast

Multi-file edits

Refactor across files with search-and-replace

Git integration

Stage, commit, push, and manage branches

Deep reasoning

Step-by-step thinking for hard problems

Web search

Look up docs and packages from the terminal

Terminal execution

Run builds and tests with live streaming

Headless mode

Script Caether Build in CI/CD pipelines

Code review

Line-by-line feedback before opening a PR

Sandboxed execution

Run untrusted code in isolated environments

Background tasks

Monitor long-running builds and processes

Theming

Customize colors, fonts, and appearance

Slash commands

Your whole workflow, one keystroke away.

Every command is a composable building block. Chain them, alias them, or capture a whole session into a single reusable skill — no config required.

Type a command…⌘K
/planDraft a structured approachP
/reviewLine-by-line PR feedbackR
/skillifySave this session as a skillS
/subagentsFan out work in parallelA
/deployShip to productionD
↑↓ navigate · ↵ run5 commands

Bring Caether into your terminal.

Install now and start building with the early beta of Caether Build.

> irm https://caether.ai/cli/install.ps1 | iex

Free during Beta · macOS · Linux · Windows