Code with exact precision.

MCP server that gives AI coding agents the context they need to build and update UI with precision.

// Setup

Up and running. In under a minute.

Quick setup

Run this single command to add Capy globally:

claude mcp add --scope user capy -- npx -y capy-mcp@latest

Or add manually

Open ~/.claude/mcp.json

$open ~/.claude/mcp.json

Paste this into the file

JSON

{
  "mcpServers": {
    "capy": {
      "command": "npx",
      "args": ["-y", "capy-mcp@latest"]
    }
  }
}

For project-shared MCP config, Claude Code uses .mcp.json in the repo root.

// Preview

See it in action.

See the preview page Capy generated for this site.

/preview

→

// 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.