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Agent Selector
How it works

The brain thinks. The body acts. The soul is yours.

An AI agent isn't a model — it's what happens when a frontier brain gets a body built for your work, and a soul made of your rules.

Build an agentBrowse 12 templates
Frontier LLMs — the reasoning

The Brain

Large language models do the thinking: understanding your brief, planning steps, drafting language, weighing options. We use only frontier models — never a quiet downgrade.

  • Claude Opus 4.8 designs your agent's blueprint
  • GPT-5.5 powers interactive sandbox chats
  • Claude Sonnet 4.6 runs hosted automation
  • Bring your own key: Anthropic, OpenAI, or Moonshot (Kimi)
Your agent — the one that acts

The Body

The brain alone can't do work. The body is the agent we build around it: instructions shaped by your brief, least-privilege tools, connectors to your apps, and an autonomy level you choose.

  • Instructions and guardrails generated from your brief
  • Least-privilege tools — it gets only what it needs
  • Runnable code plus behavior tests, exportable anytime
  • Connectors to the apps you already use
Your rules — the part that stays you

The Soul

Skills amplify what an agent can do; your rules decide what it may do. Your voice, your facts, your limits — encoded into the agent and enforced on every run.

  • Approval gates on every sensitive action
  • Hard spend caps — a budget, not a surprise
  • A kill switch that stops everything instantly
  • A full audit trail of every action taken

Born in four steps

From a sentence to a supervised agent on a schedule — no code required.

01

Describe

Tell us what you want in plain English — or start from one of 12 guardrailed templates.

02

Blueprint

The brain designs the body: tools, model, guardrails, autonomy level, runnable code.

03

Sandbox

Chat with your agent before you trust it. Break it, fix the brief, rebuild — free trial covers it.

04

Deploy

Put it on a schedule with approval gates on and a spend cap set. It works; you supervise.

A chat window is not an employee

The model is the brain. Without a body and your rules, a brain can only talk.

A chat answers. An agent acts.

ChatGPT ends at advice. An agent has tools and a schedule — it triages the inbox, drafts the follow-ups, and briefs you every morning.

A chat forgets. An agent is shaped.

Your facts, your voice, your policies live in the agent's instructions — every reply sounds like you, not like a fresh session.

A chat has no brakes. An agent has yours.

Approval gates, spend caps, a kill switch, and an audit trail. Autonomy with a leash — and you hold the leash.

Approval gates Hard spend caps Kill switch Full audit trail Cost shown before every run BYO key — zero markup

Give a frontier brain your body of work.

Describe the agent you wish existed. We'll build the body, you write the rules — and the brain gets to work.

Start buildingStart from a template