MMicrosoft 365 MCP (Softeria)

Context cost warning: its tools/list is about 241,447 tokens (202 tools), 737% of a 32k context window and 121% of a 200k window, before you send a single message (raw tools/list payload 249,614 tokens). Load only the tools you need, or expect most of the context to go to tool definitions. Measured by counting the tokens in this server's tool list on 2026-10-31. How MCP context cost adds up

Transport (tested 2026-10-31): stdio

Score 70/100 · Tools 202 · Token cost ~241,447 · Compare · Last tested 2026-10-31 · Version tested 0.178.0 · Package @softeria/ms-365-mcp-server · Repo Softeria/ms-365-mcp-server

Summary: Microsoft 365 MCP (Softeria) completed an MCP handshake without credentials and exposed 202 tools.

Evidence summary

Handshake

pass

Tools listed

202

Context cost

241,447 model-visible tokens (name, description, inputSchema; tiktoken cl100k_base)
Extra payload (sent by the server, usually not read by the model): 8,167 tokens; raw tools/list total 249,614. Clients differ in what they forward. ranking · add up your servers' context cost

API key

No key to connect (handshake passed)

Tested

2026-10-31

Test results

Local-model readiness

Schema context cost: ~241,447 tokens for 202 tools (1,010,537 bytes) · about 2947% of an 8k context. Method: tiktoken cl100k_base over compact JSON of name+description+inputSchema (approximate).

Small-model friendly (schema heuristic, not a model result): unknown.

Small-model task runs: Not yet tested.

What we tested and what we didn't

Methodology: how we test. A high score means it installs and responds, not that it is safe to give it access to your data.

{
  "name": "@softeria/ms-365-mcp-server",
  "version": "0.178.0",
  "registry": "npm",
  "status": "working",
  "tested": "2026-10-31",
  "tools_count": 202,
  "tools_schema_tokens_est": 241447,
  "deprecated": false,
  "archived": false,
  "tests": {
    "install": [
      "pass",
      20,
      "`npm install @softeria/ms-365-mcp-server` (Node 20, Linux) succeeded in 4s."
    ],
    "handshake": [
      "pass",
      30,
      "MCP `initialize` + `tools/list` over stdio succeeded with no credentials; 202 tools listed in 13.4s."
    ],
    "maintenance": [
      "pass",
      25,
      "Repo pushed 0 days before test; 1,098 GitHub stars."
    ],
    "docs": [
      "pass",
      15,
      "README over 3,000 chars; install instructions present; `mcpServers` config example present. Automated check of the package's own README (README shipped in npm package)."
    ],
    "license": [
      "pass",
      10,
      "MIT (OSI-approved)."
    ]
  }
}

Install

npx -y @softeria/ms-365-mcp-serverCopy

Tools listed

login, logout, verify-login, list-accounts, select-account, remove-account, graph-batch, get-drive-item, move-rename-onedrive-item, delete-onedrive-file, list-folder-files, create-onedrive-folder, upload-file-content, copy-drive-item, create-drive-item-share-link, create-upload-session, get-drive-delta, share-drive-item, list-drive-item-permissions, delete-drive-item-permission, create-drive-item-preview, list-drive-item-thumbnails, list-drive-item-versions, list-excel-tables, get-excel-table, list-excel-table-rows, add-excel-table-rows, update-excel-table-row, delete-excel-table-row, list-excel-worksheets, create-excel-chart, sort-excel-range, get-excel-range, update-excel-range, clear-excel-range, delete-excel-range, get-excel-range-format, format-excel-range, format-excel-range-border, format-excel-range-fill

Quick config

{
  "mcpServers": {
    "microsoft-365-mcp-softeria": {
      "command": "npx",
      "args": [
        "-y",
        "@softeria/ms-365-mcp-server"
      ]
    }
  }
}

Add to config Opens the config generator with this server selected.

{
  "mcpServers": {
    "microsoft-365-mcp-softeria": {
      "command": "npx",
      "args": [
        "-y",
        "@softeria/ms-365-mcp-server"
      ]
    }
  }
}

FAQ

Is Microsoft 365 MCP (Softeria) deprecated?

No. @softeria/ms-365-mcp-server was not deprecated or archived when we last tested it on 2026-10-31.

What replaces Microsoft 365 MCP (Softeria)?

Nothing; Microsoft 365 MCP (Softeria) is not deprecated as of 2026-10-31.

Does Microsoft 365 MCP (Softeria) need an API key?

No. It completed an MCP handshake with no credentials and listed 202 tools.

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