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AI and media

FamilySearch

io.github.ianderso/familysearch-mcp · v1.4.0

Genealogical research on FamilySearch: historical places, indexed records, page images, the tree.

Source code Set it up

Connect Runs on your machine

Terminal
claude mcp add familysearch-mcp -e FS_ACCESS_TOKEN=<FS_ACCESS_TOKEN> -e FS_ENV_FILE=<FS_ENV_FILE> -e FS_CLIENT_ID=<FS_CLIENT_ID> -e FS_ENVIRONMENT=<FS_ENVIRONMENT> -e FS_TIMEOUT=<FS_TIMEOUT> -- uvx familysearch-mcp==1.4.0
claude_desktop_config.json
{
  "mcpServers": {
    "familysearch-mcp": {
      "command": "uvx",
      "args": [
        "familysearch-mcp==1.4.0"
      ],
      "env": {
        "FS_ACCESS_TOKEN": "<FS_ACCESS_TOKEN>",
        "FS_ENV_FILE": "<FS_ENV_FILE>",
        "FS_CLIENT_ID": "<FS_CLIENT_ID>",
        "FS_ENVIRONMENT": "<FS_ENVIRONMENT>",
        "FS_TIMEOUT": "<FS_TIMEOUT>"
      }
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "familysearch-mcp": {
      "command": "uvx",
      "args": [
        "familysearch-mcp==1.4.0"
      ],
      "env": {
        "FS_ACCESS_TOKEN": "<FS_ACCESS_TOKEN>",
        "FS_ENV_FILE": "<FS_ENV_FILE>",
        "FS_CLIENT_ID": "<FS_CLIENT_ID>",
        "FS_ENVIRONMENT": "<FS_ENVIRONMENT>",
        "FS_TIMEOUT": "<FS_TIMEOUT>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "familysearch-mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "familysearch-mcp==1.4.0"
      ],
      "env": {
        "FS_ACCESS_TOKEN": "<FS_ACCESS_TOKEN>",
        "FS_ENV_FILE": "<FS_ENV_FILE>",
        "FS_CLIENT_ID": "<FS_CLIENT_ID>",
        "FS_ENVIRONMENT": "<FS_ENVIRONMENT>",
        "FS_TIMEOUT": "<FS_TIMEOUT>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

NameDescription
FS_ACCESS_TOKEN
Optional, secret		Access token from your own registered FamilySearch application. The place gazetteer and collection catalogue work without one.
FS_ENV_FILE
Optional		Env file to read settings from and to re-read a refreshed token from mid-session. Defaults to the nearest .env from the working directory upward.
FS_CLIENT_ID
Optional		Your registered application's client id, reported by auth_status.
FS_ENVIRONMENT
Optional		production, or integration for the FamilySearch sandbox.
FS_TIMEOUT
Optional		HTTP timeout in seconds.

Details

Package[email protected] (PYPI, stdio)
First published11 Oct 2026
Last updated11 Oct 2026
Registry nameio.github.ianderso/familysearch-mcp

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