Koskamo

Chrome Extension Downloader MCP

An official MCP server provided by Chrome Extension Downloader that allows AI agents to research Chrome extensions, analyze reviews, track trends, compare competitors, and inspect permissions and source code using the vendor's API key.

Visit Chrome Extension Downloader

Endpoint and access

API key: create a key with the vendor first; your client sends it as an authorization header on every request.

Chrome Extension Downloader MCP logo, by Chrome Extension DownloaderVendor evidenceStreamable HTTPAPI keyEndpoint checked 2026-11-01Operated by Chrome Extension Downloader
You need:Use the same Bearer keyYour client must support remote HTTP and custom headersDefault daily allowance: 5,000 requests per key and shared accountMaximum five active keys
MCP endpoint (Streamable HTTP)
https://extensiondownloader.com/api/mcp
Vendor documentation

What you can do with it

  • Compare growing calendar extensions over 30 days
  • Inspect recurring complaints about export failures
  • Compare permission evidence for up to four IDs
  • Query rankings, reviews and permission analysis

Source and maintenance

Vendor evidenceRegistry 1.0.1
mcp-registry: com.extensiondownloader/mcp@1.0.1Project website

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

30-day availability

Aggregated from read-only remote checks; this is not a tool-execution or security guarantee.

Successful checks
1 of 1 (100%)
Average latency
191 ms
95th percentile latency
191 ms

Maintenance history

Public check and source-refresh events. Editorial and ownership records remain private.

  • · probe · passed · 191 ms · metadata changed · refuses unauthenticated initialize (HTTP 401)

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers the remote server. Use --scope project to write .mcp.json for the repo.
Claude Code configuration
claude mcp add --transport http chrome-extension-downloader-mcp https://extensiondownloader.com/api/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).
Codex configuration
codex mcp add chrome-extension-downloader-mcp --url https://extensiondownloader.com/api/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable chrome-extension-downloader-mcp in your MCP settings.
Cursor configuration
{
  "mcpServers": {
    "chrome-extension-downloader-mcp": {
      "url": "https://extensiondownloader.com/api/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure).
Cline configuration
{
  "mcpServers": {
    "chrome-extension-downloader-mcp": {
      "type": "streamableHttp",
      "url": "https://extensiondownloader.com/api/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start chrome-extension-downloader-mcp and inspect its tools.
VS Code configuration
{
  "servers": {
    "chrome-extension-downloader-mcp": {
      "type": "http",
      "url": "https://extensiondownloader.com/api/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.
Gemini CLI configuration
gemini mcp add --transport http chrome-extension-downloader-mcp https://extensiondownloader.com/api/mcp

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.
Claude Desktop configuration
{
  "mcpServers": {
    "chrome-extension-downloader-mcp": {
      "url": "https://extensiondownloader.com/api/mcp"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.
Windsurf configuration
{
  "mcpServers": {
    "chrome-extension-downloader-mcp": {
      "serverUrl": "https://extensiondownloader.com/api/mcp"
    }
  }
}

Let your agent find its tools

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