Is io.github.optipub/outlook-snds safe to use?

io.github.optipub/outlook-snds has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments.

How do I install io.github.optipub/outlook-snds?

io.github.optipub/outlook-snds supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.

What can io.github.optipub/outlook-snds do?

io.github.optipub/outlook-snds provides 5 tools: Install, Usage, Build, Contributing, License. See the full tools list on the server page for descriptions and parameters.

What AI clients work with io.github.optipub/outlook-snds?

io.github.optipub/outlook-snds is compatible with claude-desktop, cursor, claude-code. It uses stdio and http transport.

Is io.github.optipub/outlook-snds actively maintained?

io.github.optipub/outlook-snds is actively maintained — last commit was 17 days ago. It has 5 GitHub stars.

io.github.optipub/outlook-snds

@anthropic-ai/mcpb

Outlook.com SNDS IP Data and IP Status reports via the OAuth-secured REST API.

5 37.8k/wk 5 tools GitHub npm

No known CVEs

No license

Actively maintained

Last commit 17d ago

Works with most clients

Transport: stdio, http

5 tools · ~140 tok

Grade A · 0.1% of 200K ctx

Edit this pageView history

Developer Tools

Step 1

Install in your client

Config is the same across clients — only the file and path differ.

Supported in Claude Desktopstdio, http · Node 18+

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "outlook-snds": {
      "args": [
        "/absolute/path/to/outlook-snds-mcp/server/index.js"
      ],
      "command": "node"
    }
  }
}

Are you the author?

Add this badge to your README to show your security score and help users find safe servers.

Embed in your READMEAbout badges →

[![MCPpedia Score](https://mcppedia.org/api/badge/io-github-optipub-outlook-snds)](https://mcppedia.org/s/io-github-optipub-outlook-snds)

Read me

What io.github.optipub/outlook-snds does

An MCP server that brings the Outlook.com Smart Network Data Services (SNDS) REST API into Claude / Cowork / Claude Desktop and any other MCP client.

Test This Server

Run this in your terminal to verify the server starts. Then let us know if it worked — your result helps other developers.

npx -y '@anthropic-ai/mcpb' 2>&1 | head -1 && echo "✓ Server started successfully"

After testing, let us know if it worked:

Loading README…

Scored, not listed

Why this score

Five weighted categories — click any category to see the underlying evidence.

Score breakdown

88/100across 5 weighted dimensions

How we score →

0255075100

−12

Security

Maintenance

Efficiency

Documentation

Compatibility

Categoriesclick a row to see evidence

Security

OSV.dev

No known CVEs.

Checked @anthropic-ai/mcpb against OSV.dev.

Inventory

Tools (5)

Click any tool to inspect its schema.

~140 tokens total

Community

Reviews

Be the first to review

Have you used this server?

Share your experience — it helps other developers decide.

How easy was setup?Did it work reliably?How was the documentation?

Frequently Asked Questions

Is io.github.optipub/outlook-snds safe to use?: io.github.optipub/outlook-snds has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments.
How do I install io.github.optipub/outlook-snds?: io.github.optipub/outlook-snds supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.
What can io.github.optipub/outlook-snds do?: io.github.optipub/outlook-snds provides 5 tools: Install, Usage, Build, Contributing, License. See the full tools list on the server page for descriptions and parameters.
What AI clients work with io.github.optipub/outlook-snds?: io.github.optipub/outlook-snds is compatible with claude-desktop, cursor, claude-code. It uses stdio and http transport.
Is io.github.optipub/outlook-snds actively maintained?: io.github.optipub/outlook-snds is actively maintained — last commit was 17 days ago. It has 5 GitHub stars.

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Community

Discussion

Start a conversation

Ask a question, share a tip, or report an issue.

Has anyone used this with Cursor?How do you handle auth?Any alternatives?

Edit this pageView history

Developer Tools

Step 1

Install in your client

Config is the same across clients — only the file and path differ.

Supported in Claude Desktopstdio, http · Node 18+

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "outlook-snds": {
      "args": [
        "/absolute/path/to/outlook-snds-mcp/server/index.js"
      ],
      "command": "node"
    }
  }
}

Are you the author?

Add this badge to your README to show your security score and help users find safe servers.

Embed in your READMEAbout badges →

[![MCPpedia Score](https://mcppedia.org/api/badge/io-github-optipub-outlook-snds)](https://mcppedia.org/s/io-github-optipub-outlook-snds)

Read me

What io.github.optipub/outlook-snds does

An MCP server that brings the Outlook.com Smart Network Data Services (SNDS) REST API into Claude / Cowork / Claude Desktop and any other MCP client.

Test This Server

Run this in your terminal to verify the server starts. Then let us know if it worked — your result helps other developers.

npx -y '@anthropic-ai/mcpb' 2>&1 | head -1 && echo "✓ Server started successfully"

After testing, let us know if it worked:

README

Outlook SNDS MCP

An MCP server that brings the Outlook.com Smart Network Data Services (SNDS) REST API into Claude / Cowork / Claude Desktop and any other MCP client.

Sign in once with your Microsoft account — the server handles the full OAuth 2.0 authorization-code + PKCE flow over a loopback (http://localhost) redirect, caches the tokens, and refreshes them automatically. Then just ask for your IP reputation data.

SNDS gives senders per-IP insight into how Outlook.com sees their mail: volume, complaint rates, spam-filter verdicts, trap hits, and block/bot status.

Built & maintained by the Postmaster+ team at OptiPub.

Install

From a release (recommended)

Download outlook-snds.mcpb from the latest release.
In Cowork / Claude Desktop: Settings → Capabilities → install extension, pick the file (or just double-click it).
No configuration required.

From source — see Build.

Use with other MCP clients (Cursor, VS Code, Windsurf, …)

The .mcpb is just a packaging convenience for Claude Desktop / Cowork. Underneath, this is a standard stdio MCP server, so any client that runs local MCP servers can use it directly — no .mcpb required. Just point the client at server/index.js.

Clone or download the repo first, then add a server entry:

Cursor — edit ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project):

{
  "mcpServers": {
    "outlook-snds": {
      "command": "node",
      "args": ["/absolute/path/to/outlook-snds-mcp/server/index.js"]
    }
  }
}

VS Code (.vscode/mcp.json), Windsurf, Claude Desktop (manual config), and most other clients use the same command + args shape — only the config file location differs. Optional environment overrides (see Configuration) go in an "env": { ... } object.

The first tool call opens your browser for the SNDS sign-in, exactly as in Cowork — the localhost OAuth loopback works on any local desktop client.

Remote-only clients (e.g. Perplexity, ChatGPT connectors): these accept only a remote HTTPS MCP server URL, not a local command, so this stdio build can't be added directly. Using it there would require hosting it as a remote server with a web-based OAuth redirect.

Usage

Run snds_authenticate once (your browser opens for a Microsoft sign-in), then:

Ask	Tool
"Sign me in to SNDS"	`snds_authenticate`
"Am I signed in to SNDS?"	`snds_auth_status`
"Show my latest SNDS data report"	`get_data_report`
"SNDS data for 2026-12-31"	`get_data_report { date: "2026-12-31" }`
"SNDS data for 1.2.3.4 on 2026-12-31"	`get_data_report { date: "2026-12-31", ip: "1.2.3.4" }`
"Any blocked/bot/junked IPs?"	`get_ip_status`
"Sign me out of SNDS"	`snds_sign_out`

get_data_report takes an optional date (yyyy-MM-dd) and an optional ip (IPv4). A date is required to filter by IP, because the API path is /api/report/data/{date}/{ip}.

How authentication works

Field	Value
Authorize	`https://login.microsoftonline.com/consumers/oauth2/v2.0/authorize`
Token	`https://login.microsoftonline.com/consumers/oauth2/v2.0/token`
Client ID	`a53a6cc1-a1cd-46f7-a4aa-281cdabec33c` (the SNDS portal's public client)
Scope	`a53a6cc1-a1cd-46f7-a4aa-281cdabec33c/.default offline_access openid profile`
Redirect	`http://localhost:<dynamic-port>` (loopback)

On sign-in the

... View full README on GitHub

Loading README…

Scored, not listed

Why this score

Five weighted categories — click any category to see the underlying evidence.

Score breakdown

88/100across 5 weighted dimensions

How we score →

0255075100

−12

Security

Maintenance

Efficiency

Documentation

Compatibility

Categoriesclick a row to see evidence

Security

OSV.dev

No known CVEs.

Checked @anthropic-ai/mcpb against OSV.dev.

Inventory

Tools (5)

Click any tool to inspect its schema.

~140 tokens total

Community

Reviews

Be the first to review

Have you used this server?

Share your experience — it helps other developers decide.

How easy was setup?Did it work reliably?How was the documentation?

Frequently Asked Questions

Is io.github.optipub/outlook-snds safe to use?: io.github.optipub/outlook-snds has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments.
How do I install io.github.optipub/outlook-snds?: io.github.optipub/outlook-snds supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.
What can io.github.optipub/outlook-snds do?: io.github.optipub/outlook-snds provides 5 tools: Install, Usage, Build, Contributing, License. See the full tools list on the server page for descriptions and parameters.
What AI clients work with io.github.optipub/outlook-snds?: io.github.optipub/outlook-snds is compatible with claude-desktop, cursor, claude-code. It uses stdio and http transport.
Is io.github.optipub/outlook-snds actively maintained?: io.github.optipub/outlook-snds is actively maintained — last commit was 17 days ago. It has 5 GitHub stars.