Capsolver MCP Server: Install & Setup

Install Capsolver in Claude Code

Claude Code

claude mcp add capsolver -e CAPSOLVER_API_KEY=... -- uvx capsolver-mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "capsolver": {
      "command": "uvx",
      "args": [
        "capsolver-mcp"
      ],
      "env": {
        "CAPSOLVER_API_KEY": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the Capsolver MCP server do?

MCP Server for CapSolver - captcha-solving capabilities for AI agents

Is the Capsolver MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does Capsolver run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Capsolver to Claude Code?

Run: claude mcp add capsolver -e CAPSOLVER_API_KEY=... -- uvx capsolver-mcp

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