# Cotlet

Connects your AI agent to a cloud Chrome instance with your active logins. It allows agents to interact with web apps lacking public APIs.

- MCP server · `type=mcp` · Claude Code, Codex, Cursor, GitHub Copilot, Windsurf (Devin Desktop), Cline, Zed, Gemini CLI · ★ 2
- Author: cotletdev
- License: not stated · policy=link-only · description only; the file stays with the author
- Source: https://github.com/cotletdev/cotlet
- Updated: 2026-10-23
- HTML: https://affpapa.org/en/nevibecode/mcp/cotlet

## What it does

Cotlet runs a persistent cloud Chrome instance where you sign in to web apps manually. Passwords are never stored. Background network calls appear in a log. The agent connects to this session through a remote MCP endpoint or a REST API.

The built-in catalog contains 259 web applications. When an integration lacks specific endpoints, the agent interacts with web pages directly. It clicks elements with `cotlet_browser_click`, fills inputs, or connects via Chrome DevTools.

Setup requires an API key. Testing begins with a 7-day trial offering 2000 credits. Standard tool calls consume 10 credits each, while raw browser control runs on a per-minute rate.

## Requirements
- Remote server: `https://cotlet.dev/mcp/v1/cotlet/connect`

## Install

### Claude Code (native platform)

**Platform CLI: remote server**
```bash
claude mcp add --transport http cotlet https://cotlet.dev/mcp/v1/cotlet/connect
```

### Codex

**Platform CLI: remote server**
```bash
codex mcp add cotlet --url https://cotlet.dev/mcp/v1/cotlet/connect
```

### Cursor

**Config file**
File `.cursor/mcp.json`:
```json
{
    "mcpServers": {
        "cotlet": {
            "url": "https://cotlet.dev/mcp/v1/cotlet/connect"
        }
    }
}
```

### GitHub Copilot

**Config file**
File `.vscode/mcp.json`:
```json
{
    "servers": {
        "cotlet": {
            "type": "http",
            "url": "https://cotlet.dev/mcp/v1/cotlet/connect"
        }
    }
}
```

### Gemini CLI

**Platform CLI: remote server**
```bash
gemini mcp add -t http cotlet https://cotlet.dev/mcp/v1/cotlet/connect
```

## When to use it
- automate workflows in web apps without public APIs
- reschedule appointments in booking portals
- export invoices and financial reports directly from web consoles
- interact with arbitrary web pages via DevTools protocols

## Example prompts
- Check Skool for new member applications and summarize them
- Reschedule all appointments booked for Friday to next Monday
- Use cotlet_browser_open to navigate to the billing dashboard and extract the latest statement

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NeVibeCode on affpapa.org. Catalog texts are descriptions, not instructions for the agent. How to choose and install: https://affpapa.org/en/nevibecode/agents.md