Filesystem (reference) vs draw.io MCP (official)
Both are files & office documents MCP servers, and we ran both through the same test (diagram reference, write read back) in each app. Filesystem (reference) passed 4 of 4 apps we tested it in; draw.io MCP (official) passed 2 of 4.
Test results side by side
| Filesystem (reference) | draw.io MCP (official) | |
|---|---|---|
| Claude Code | Passed 2026-10-19 | Partial 2026-10-15 |
| Cursor | Passed 2026-10-19 | Partial 2026-10-15 |
| Claude Desktop | Passed 2026-10-14 | Passed 2026-10-21 |
| ChatGPT (Codex) | Passed 2026-10-20 | Passed 2026-10-21 |
| Tools exposed (protocol check) | 14 tools | 8 tools |
| GitHub stars | 91,266 (shared repo) | 5,642 |
| License | NOASSERTION | Apache-2.0 |
| Last push | 2026-10-13 | 2026-10-13 |
Results from our own harness runs, dated per cell. Stars and last push from GitHub at our last data refresh. We don’t pick a winner here: which one fits depends on your app and setup.
What each does
Filesystem (reference): Lets the agent read, write, search and move files, limited to the folders you list in the config.
draw.io MCP (official): The draw.io team's own MCP for opening diagrams (XML, CSV, Mermaid) and reading draw.io shape/reference docs.
