Code with exact precision.

The AI-native code editor that gets it exactly right.
No approximation. No bloat. Just perfect code, every time.

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ExplorercapyAssistant

import { useState } from "react"

import { capy } from "@/lib/capy"

function AuthForm() {

const [email, setEmail] = useState("")

const [password, setPassword] = useState("")

return <form />

}

capy AI assistant

Added secure auth flow with validation and onboarding hints.

Apply changes

// Features

One tool. Every feature.

Full-stack development

Build frontend and backend seamlessly. Capy understands your entire stack, from React components to database queries, and helps you ship faster with context-aware suggestions.

// Setup

Up and running. In under a minute.

Install Capy

Install the Capy MCP server globally with a single command.

npm install -g capy

Start the server

Launch the local MCP server. It runs in the background and listens for connections.

capy start

Connect your client

Add the MCP config to Claude Code and start coding.

// .claude/settings.json
{
  "mcpServers": {
    "capy": {
      "command": "capy",
      "args": ["start"]
    }
  }
}

// Pricing

Free. Forever.

No tiers. No upsells. Open source and locally hosted — your code never leaves your machine.

Free

$0/lifetime

Open source. Locally hosted. All features included, no strings attached.

Features

Unlimited everything
Open-source
Full codebase context
Runs 100% locally
No telemetry or tracking
Community-driven development

Why free forever

All local. All free. All yours.

Runs on your machine. Your code and prompts stay local.

No subscriptions, no metered limits, no paywalls later.

Every feature is unlocked from day one.

Included

Unlimited projects
Unlimited prompts
Unlimited local usage

If Capy helps your workflow, a GitHub star or sponsor keeps it sustainable.

Star on GitHub Sponsor

// FAQ

Questions? We've got answers.

Yes, Capy is completely free. It includes all core tools and AI-powered coding assistance at no cost.

Absolutely. Capy runs entirely on your local machine. Your code never leaves your device.

Capy works with any AI assistant that supports the MCP protocol, including Claude Desktop, Claude Code, and other MCP-compatible clients. Just point your client to the local Capy server and you're ready to go.

Check out our docs at /docs or scroll up to the Setup section for a quick walkthrough. The whole setup takes under a minute.