Patent by Ouroboros MCP Server: Install & Setup

Install Patent by Ouroboros in Claude Code

Claude Code

claude mcp add --transport http patent-by-ouroboros https://patent-mcp.vercel.app/mcp

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

{
  "mcpServers": {
    "patent-by-ouroboros": {
      "url": "https://patent-mcp.vercel.app/mcp"
    }
  }
}

US patent search and prior art lookup that returns only records the patent office returned; not legal advice.

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Remote. Hosted by the provider. You connect with a URL, nothing to install.

Run: claude mcp add --transport http patent-by-ouroboros https://patent-mcp.vercel.app/mcp

Checks if a cold marketing email to one address is allowed under UK, US, Canadian, German or French law, with a receipt.

Pactlio-ai/pactlio-mcp

Contract tools: statute-cited requirements by contract type and jurisdiction, US non-compete enforceability, contract drafting and risk analysis.

Searches current US class-action settlements by company, state, deadline and proof needed, with official claim links.

Cited regulatory research, implementation controls and product scoping; legal information, not legal advice.

RegAI Legal MCP

Taiwan law and court decisions: statutes, articles by number, apex-court and Grand Chamber rulings; read-only.

EU archive of robots.txt, ai.txt and AI opt-outs: check if a domain is observed, order time-stamped captures.