Install FamilySearch for Claude Desktop
Claude Desktop reads mcpServers from claude_desktop_config.json. Restart the app after saving.
- Open ~/Library/Application Support/Claude/claude_desktop_config.json on macOS, %APPDATA%\Claude\claude_desktop_config.json on Windows, or ~/.config/Claude/claude_desktop_config.json on Linux.
- Paste the JSON config below.
- Replace placeholder secrets, then restart the client if it does not reload on its own.
~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"ianderso-familysearch-mcp": {
"command": "uvx",
"args": [
"familysearch-mcp"
],
"env": {
"FS_ACCESS_TOKEN": "YOUR_FS_ACCESS_TOKEN",
"FS_ENV_FILE": "",
"FS_CLIENT_ID": "",
"FS_ENVIRONMENT": "production",
"FS_TIMEOUT": "60"
}
}
}
}