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npx @getmcp/cli add com.listsignal/listsignalRequires Node.js 18+. Community-contributed server. Review source before installing.
AuthorizationBearer ls_... API key from listsignal.com Settings (free tier: 1,000 calls/month)
Config file: ~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"com.listsignal/listsignal": {
"url": "https://listsignal.com/mcp",
"transport": "streamable-http",
"headers": {
"Authorization": ""
}
}
}
}