# MCP Git Server (Python) (mcp-server-git) - AgentBreakWatch Reference

> TL;DR Verdict: MCP Git Server (Python) (`mcp-server-git`) is currently at v2026.10.19 on PYPI (published 2026-10-19), with a 90-day Stability Score of 78/100 (B) and HIGH schema drift risk across 3 releases in the last 90 days. CalVer 2026.10.19 release hardens git_diff and git_checkout argument validation against flag injection (CVE-2025/2026).

## Live Telemetry Metadata
- Canonical Page: https://agentbreakwatch.vercel.app/p/mcp-server-git
- Category Hub: https://agentbreakwatch.vercel.app/c/official-reference (Official Reference MCP Servers Stability & Migration Index)
- Package Name: `mcp-server-git`
- Registry: PYPI (https://pypi.org/project/mcp-server-git/)
- GitHub Repository: https://github.com/modelcontextprotocol/servers
- Vendor: Model Context Protocol
- Latest Live Version: v2026.10.19
- Published Date: 2026-10-19T06:48:45.427259Z
- 90-Day Release Count: 3
- Direct Dependencies: 4
- License: MIT
- Stability Score: 78/100 (Grade B)
- Schema Drift Risk: HIGH
- Recommended Exact Pin Command: `uvx mcp-server-git@2026.10.19`
- Watched Symbols / MCP Tools: git_status, git_diff_unstaged, git_commit, git_log
- Snapshot Timestamp: 2026-10-24T12:11:27.697Z

## Breaking Change & Schema Drift Summary
CalVer 2026.10.19 release hardens git_diff and git_checkout argument validation against flag injection (CVE-2025/2026).

## Migration Diff: Before (Deprecated / Unpinned Pattern)
```
{ "name": "git_diff", "arguments": { "repo_path": ".", "target": "--output=/tmp/pwn" } }
```

## Migration Diff: After (Verified v2026.10.19 Pattern)
```
{ "name": "git_diff", "arguments": { "repo_path": "/abs/path/to/repo", "target": "main" } }
```

## Recent Verified Releases
- v2026.10.19 (published 2026-10-19) [LATEST]
- v2026.10.10 (published 2026-10-11)
- v2026.8.18 (published 2026-08-18)
- v2026.7.10 (published 2026-07-10)
- v2026.6.16 (published 2026-06-17)
- v2026.6.4 (published 2026-06-04)