Replit Agent

Cloud IDE with autonomous build agent

Free tier + paidAI app buildersreplit.com

What it is

A full cloud IDE where Agent 3 plans, writes, tests and deploys in any language — Node, Python, Go — with built-in Postgres, object storage and hosting. You get a real filesystem and shell, and can export or push to GitHub at any time.

Why it earns a slot

The only entry here that is a genuine development environment rather than a code generator with a preview pane. Reach for it when the app needs a background worker, a cron job, or a language other than TypeScript.

Know before you commit

Effort-based pricing means you do not learn a task's cost until after it runs, and you are billed for failed attempts too. After Agent 3 shipped, users reported weekly bills near $1,000 against a prior $200/month. Set a spend cap first.

Getting started

Set a hard usage limit under Account then Usage before running long agent tasks.

Field notes

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Field check

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Pricing snapshot

Starter free (daily agent credits, 1 published app) · Core $25/mo ($25 credits) · Pro $100/mo ($100 credits) · effort-based usage

Snapshots move fast — verify at checkout, and post a field note if it changed.

Drop into your Lovable chat

Evaluate Replit Agent (https://replit.com) for this project, then use it only if it fits what we are already building.
Context: Cloud IDE with autonomous build agent. A full cloud IDE where Agent 3 plans, writes, tests and deploys in any language — Node, Python, Go — with built-in Postgres, object storage and hosting. You get a real filesystem and shell, and can export or push to GitHub at any time.
Reviewer notes (general, not written for this codebase): The only entry here that is a genuine development environment rather than a code generator with a preview pane. Reach for it when the app needs a background worker, a cron job, or a language other than TypeScript.
Watch out for: Effort-based pricing means you do not learn a task's cost until after it runs, and you are billed for failed attempts too. After Agent 3 shipped, users reported weekly bills near $1,000 against a prior $200/month. Set a spend cap first.
Pricing: Starter free (daily agent credits, 1 published app) · Core $25/mo ($25 credits) · Pro $100/mo ($100 credits) · effort-based usage
Setup: Set a hard usage limit under Account then Usage before running long agent tasks.
Rules: treat the notes above as background only. Do not assume a theme, style, layout or feature that is not already in this project — inspect the existing code first and ask me before changing visual direction.

/api/public/tools/replit-agent