PublicWWW — Claude Code MCP server: what it does, how to install
Searches source code across the web for specific markup or scripts. Helps your AI assistant gather domain lists and extract contact details.
claude mcp add --transport http publicwww https://api.publicwww.com/mcpWhat PublicWWW does
This server connects your assistant directly to web source code data. It locates pages that embed a particular script or styling asset. Queries accept exact text matches and top-level domain filters.
Search hits can be organized into saved clusters. The server extracts contact info like emails or phone numbers via presets. A paid plan is necessary for real queries and data extraction. On a free account, you can only link the server and browse documentation.
What it helps with
- locate websites running specific JavaScript libraries or widgets
- save domain query results into named clusters
- extract email addresses and phone numbers from page source
- filter source code searches by national domain extensions
Example prompts for the agent
- Find sites loading static.hotjar.com, save them to a cluster, and extract contact emails.
- Search for pages in the .de zone containing angular.min.js.
- Check how many PublicWWW search and extraction points remain on my account today.
How to install PublicWWW
Platform CLI: remote server
claude mcp add --transport http publicwww https://api.publicwww.com/mcpPlatform CLI: remote server
codex mcp add publicwww --url https://api.publicwww.com/mcpConfig file
{
"mcpServers": {
"publicwww": {
"url": "https://api.publicwww.com/mcp"
}
}
}Config file
{
"servers": {
"publicwww": {
"type": "http",
"url": "https://api.publicwww.com/mcp"
}
}
}Platform CLI: remote server
gemini mcp add -t http publicwww https://api.publicwww.com/mcpStep by step, with commands for each platform: How to add an MCP server to Claude Code, Codex, Cursor, VS Code, Gemini CLI and more
Questions about PublicWWW
How do I install PublicWWW in Claude Code?
Run claude mcp add --transport http publicwww https://api.publicwww.com/mcp. Then finish authentication through the browser via OAuth.
What does PublicWWW do?
It searches site markup, styles, and scripts across the web. The assistant can group discovered domains into clusters and pull contact info from them.
What are the requirements for using PublicWWW?
Executing searches and extracting data requires a paid subscription. Claude Code handles authentication with OAuth, while other clients read a token from the PUBLICWWW_TOKEN environment variable.
