Capsolver-mcp Server

MCP Server for CapSolver — expose captcha-solving capabilities to AI agents via the Model Context Protocol.

Local serverstdio

What is the Capsolver-mcp Server?

capsolver-mcp is an MCP project maintained in the capsolver-ai/capsolver-mcp repository. The maintainer describes its purpose as “MCP Server for CapSolver — expose captcha-solving capabilities to AI agents via the Model Context Protocol”. Read the project documentation for the complete scope.

Local setup

The project provides a local client configuration using capsolver-mcp. Follow the repository’s build and installation steps before copying it, and replace example paths with the paths on your own computer.

Configuration values

The example declares CAPSOLVER_API_KEY. Secret-looking values have been replaced with placeholders. Required and optional labels are shown only when the documentation states them.

Source

Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-08.

Recorded tools

Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.

ToolWhat it does
solve_captchaNo
detect_captchasYes
solve_on_pageYes
get_balanceNo
get_supported_captchasNo

How to install the Capsolver-mcp Server

{
  "mcpServers": {
    "capsolver": {
      "command": "capsolver-mcp",
      "env": {
        "CAPSOLVER_API_KEY": "YOUR_CAPSOLVER_API_KEY"
      }
    }
  }
}

From the project documentation. Replace placeholders and example paths before connecting.

Configuration

VariableDescriptionRequired
CAPSOLVER_API_KEYDeclared in the maintainer’s client configuration.Check documentation