Data Collection

opentrademarks.org

Checks and searches trademark registers in the US, EU, and Israel to see if a name is taken and find similar live marks.

1 endpoint2 known toolsFirst detected October 14, 2026Last detected October 14, 2026

ENDPOINT 1

https://mcp.opentrademarks.org/mcp

No auth detected

MCP server metadata

Name: trademarks
Version: 1.0.0

Capabilities

tools.listChanged

Server instructions

Do not tell the user a name is clear unless it was checked during this conversation and every register in the answer was read today or yesterday. A register search is not legal advice.

Known tools 2

check_trademark

Check whether a name is taken as a trademark in the US, EU and Israeli registers.

Inferred read-only

search_trademarks

Ranked live marks that share a query's spelling or sound, across the US, EU and Israeli registers.

Inferred read-only

CONNECT WITH APPROVAL

Client installation

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.trademarks]
url = "https://mcp.opentrademarks.org/mcp"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "trademarks": {
      "type": "http",
      "url": "https://mcp.opentrademarks.org/mcp"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: trademarks
Remote MCP URL: https://mcp.opentrademarks.org/mcp

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "trademarks": {
      "url": "https://mcp.opentrademarks.org/mcp"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "trademarks": {
      "type": "http",
      "url": "https://mcp.opentrademarks.org/mcp"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "trademarks",
  "transport": "streamable-http",
  "url": "https://mcp.opentrademarks.org/mcp"
}

MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

TRUST AND VERIFICATION EVIDENCE

Loading Trust v2 evidence…

Checking the associated registrable domain. The BuiltWith key remains server-side.

Indexed

Evidence is source-attributed and does not guarantee that a third-party server is safe. Risk labels are conservative metadata heuristics.