PluginBench
MCP Server
Active
MIT

FamilySearch MCP Server

io.github.ianderso/familysearch-mcp

RepositoryRegistry

What is the FamilySearch MCP server?

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

How to install FamilySearch

Copy-paste configuration for popular MCP clients.

transport: stdio
Config generated by PluginBench — verify against the source before use.
Environment / auth
  • FS_ACCESS_TOKEN
    secret

    Access token from your own registered FamilySearch application. The place gazetteer and collection catalogue work without one.

  • FS_ENV_FILE

    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

    Your registered application's client id, reported by auth_status.

  • FS_ENVIRONMENT

    production, or integration for the FamilySearch sandbox.

  • FS_TIMEOUT

    HTTP timeout in seconds.

~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "familysearch-mcp": {
      "command": "uvx",
      "args": [
        "familysearch-mcp"
      ],
      "env": {
        "FS_ACCESS_TOKEN": "<YOUR_FS_ACCESS_TOKEN>",
        "FS_ENV_FILE": "<YOUR_FS_ENV_FILE>",
        "FS_CLIENT_ID": "<YOUR_FS_CLIENT_ID>",
        "FS_ENVIRONMENT": "<YOUR_FS_ENVIRONMENT>",
        "FS_TIMEOUT": "<YOUR_FS_TIMEOUT>"
      }
    }
  }
}

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