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msgraph-visio

Generate and manage Visio network diagrams on SharePoint via Microsoft Graph API - create topology diagrams from CDP/LLDP discovery, update existing diagrams, export to PDF

personAuthor: jakexiaohubgithub
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Microsoft 365 Visio / diagram publishing

MCP Server

  • Package: @softeria/ms-365-mcp-server (MIT)
  • Invocation — deliberately not --read-only, because publishing requires a write: 
    npx -y @softeria/ms-365-mcp-server --enabled-tools 'upload-file-content|drive-item|folder-files'
  • Requires: an Entra ID app registration with delegated Files.ReadWrite scope.

Version 2.0.0 replaced a package that did not exist. This skill previously invoked npx -y @anthropic-ai/microsoft-graph-mcp (404 on npm) and documented two graph_* tool names that exist in no server. The tool names below came from the live server.

The filter is mandatory

Unfiltered, the server exposes 188 tools at ~225,355 tokens — 45× the 5,000-token ceiling. Keep the filter as narrow as the task allows.

This invocation can write — treat it accordingly

--read-only is omitted here on purpose, which makes this the one M365 surface that changes remote state. Under Principle III a write to a system of record is gated: confirm the target path and filename with the operator before uploading, and never overwrite an existing item without saying so first. Use msgraph-files for anything that only needs reading.

Verified tools

| Tool | What it does | |---|---| | upload-file-content | write file bytes to a drive path — the write | | get-drive-item | metadata for one item, to check whether you are about to overwrite | | list-folder-files | folder contents, to confirm the destination exists | | login / verify-login | device-code sign-in and session state |

There are no graph_* tools, and there is no Visio rendering or conversion tool. This surface moves files; it does not open or edit Visio documents.

Workflow: publish a generated diagram

  1. verify-login, and login if needed — surface the device code, never fabricate a session
  2. list-folder-files on the destination folder — confirm it exists and note existing names
  3. get-drive-item on the intended filename — is this an overwrite? If so, say so and get confirmation before proceeding
  4. upload-file-content with the bytes
  5. Report the resulting item id and path. Do not claim success without the server's response.

Produce the .vsdx itself with document-generation or a diagram skill; this skill only publishes what already exists on disk.

Reading results honestly

  • An upload confirms transfer, not correctness. That the bytes landed says nothing about whether the diagram is accurate.
  • A failed upload can leave a partial item depending on size and session; re-check with get-drive-item rather than assuming a clean failure.
  • There is no rename or delete here — the filter excludes them deliberately. Fixing a bad filename is an operator action in the web UI.

Not verified

Tool names and manifest cost are measured; no upload has been performed. That needs an M365 tenant with write scope, which this environment does not have. The write path is correct-by-construction and unproven.

Integration with Other Skills

| Skill | How They Work Together | |-------|----------------------| | msgraph-files | Read-only inspection — prefer it whenever you are not writing | | document-generation, drawio-diagram, uml-diagram | Produce the file this publishes | | gait-session-tracking | Record every upload: path, filename, item id |

Environment Variables

  • MS365_MCP_CLIENT_ID — Entra ID app registration (client) ID
  • MS365_MCP_TENANT_ID — tenant ID, or common