What is gedcom-server?

A local MCP server for working with GEDCOM data, the standard file format used to exchange family-tree and genealogy records. It runs as a Python package through the uvx tool.

It is intended to connect an agent or application to the gedcom-server package. The input only documents its local launch command, so more specific jobs cannot be confirmed.

It provides a configured local service for applications or agents that need to work with GEDCOM files. The supplied information does not specify which GEDCOM operations it supports.

gedcom-server — MCP server for Claude Code and Codex by sjmatta: A local MCP server for working with GEDCOM data…

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods

npx agentmods add mcp/sjmatta/gedcom-mcp/gedcom-server

Clone the repo

git clone --depth 1 https://github.com/sjmatta/gedcom-mcp

Made for: Claude Code, Codex, Cursor.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

README.md

[![agentmods](https://agentmods.dev/badge/mcp/sjmatta/gedcom-mcp/gedcom-server.svg)](https://agentmods.dev/mcp/sjmatta/gedcom-mcp/gedcom-server)

Your own site

<a href="https://agentmods.dev/mcp/sjmatta/gedcom-mcp/gedcom-server"><img src="https://agentmods.dev/badge/mcp/sjmatta/gedcom-mcp/gedcom-server.svg" alt="Measured on agentmods" height="20"></a>

Per session not measured What this adds to a session before it is invoked.

When invoked not measured Not applicable: nothing here is loaded into a session.

Security scan A 0 findings. Scan, not verified.

Origin original No closer match found in the catalogue.

Security

Grade A, and why

gedcom-server scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 3d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

listed in the official MCP registry · 8 lines

What it actually says

{ "gedcom-server": { "command": "uvx", "args": [ "gedcom-server" ] } }

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

3d ago First seen · 8 lines scan A df8b70b6ca0c

Subscribe to this mod's changes

gedcom-server is an MCP server published in the GitHub repository sjmatta/gedcom-mcp (1 stars, last pushed 20d ago), licensed MIT. Its token cost is not measured: an MCP server costs its tool schemas, not its config file. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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