YaCy peer-to-peer search

io.github.pad01g/yacy-search

Web search, crawling and ranking evaluation on your own YaCy peer: no API key, no central service.

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Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "yacy-search": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/pad01g/yacy-search-mcp:1.0.0"
      ],
      "env": {
        "YACY_URL": "<your YACY_URL>",
        "YACY_ADMIN_USER": "admin",
        "YACY_ADMIN_PASSWORD": "<your YACY_ADMIN_PASSWORD>"
      }
    }
  }
}
Environment variables
  • YACY_URLrequiredBase URL of your YaCy peer as seen from the MCP server container, e.g. http://yacy:8090 on a shared Docker network (docker run --network ...), or http://host.docker.internal:8090
  • YACY_ADMIN_USERYaCy administrator account, needed for crawling and settings
  • YACY_ADMIN_PASSWORDsecretYaCy administrator password; without it crawl, settings and the index counts of index_status are not available

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Search & Web
Version
1.0.0
Registry
active
Published
10/1/2026

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Add the badge to your site

Show visitors that YaCy peer-to-peer search is listed here — it’s also the link we check for a free listing.

YaCy peer-to-peer search — listed on Serverdex

HTML — for your website

<a href="https://serverdex.io/server/io-github-pad01g-yacy-search?utm_source=badge"><img src="https://serverdex.io/brand/badge.svg" alt="YaCy peer-to-peer search — listed on Serverdex" width="123" height="40" loading="lazy"></a>

Recommended. A dofollow link from your own domain is the one that counts for search engines, and it's the link we check for a free listing.

Markdown — for your README

[![YaCy peer-to-peer search — listed on Serverdex](https://serverdex.io/brand/badge.svg)](https://serverdex.io/server/io-github-pad01g-yacy-search?utm_source=badge)

Nice for visibility, but GitHub marks README links nofollow, so it doesn't pass authority. Use the HTML badge on your site as well.