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floriscornel/teams-mcp

MCP server for Microsoft Graph Teams integration

→ floriscornel/teams-mcp· npm: @floriscornel/teams-mcp· listed on npm
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// key findings
⚠️
Tool annotations don’t match behaviour
2 read-only tools perform write/delete/exec — download_chat_hosted_content (line 394: hostedContentRegex.exec(bodyContent)); download_message_hosted_content (line 1066: hostedContentRegex.exec(bodyContent))
⚠️
Tool descriptions don’t match what handlers do
2 tools describe read intent but their handlers mutate — download_chat_hosted_content (line 394: hostedContentRegex.exec(bodyContent)); download_message_hosted_content (line 1066: hostedContentRegex.exec(bodyContent))
✅
No credential exfiltration, no sensitive file access, no obfuscation
Static analysis found nothing flowing your secrets to unexpected places.
✅
Open source with a license and README
Anyone can audit the code, the license is declared, and the publisher documents what it does.
🔐
You'll be asked for 1 credential: AUTH_TOKEN
These are read from process.env at runtime. Make sure you trust where they’ll be sent.
// known CVEs in dependencies4 medium9 low

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

mediumdompurify@3.3.3GHSA-39q2-94rc-95cp

DOMPurify's ADD_TAGS function form bypasses FORBID_TAGS due to short-circuit evaluation

mediumdompurify@3.3.3GHSA-cmwh-pvxp-8882

DOMPurify: Permanent `ALLOWED_ATTR` pollution via `setConfig()` bypassing the hook clone-guard (incomplete fix of the 3.4.7 hook-pollution patch)

mediumdompurify@3.3.3GHSA-h7mw-gpvr-xq4m

DOMPurify: FORBID_TAGS bypassed by function-based ADD_TAGS predicate (asymmetry with FORBID_ATTR fix)

mediumdompurify@3.3.3GHSA-rp9w-3fw7-7cwq

DOMPurify IN_PLACE Sanitization Bypass via Attached Shadow Root Inside <template>.content

lowdompurify@3.3.3GHSA-76mc-f452-cxcm

DOMPurify: Hook mutation of `data.allowedTags` / `data.allowedAttributes` permanently pollutes `DEFAULT_ALLOWED_TAGS` / `DEFAULT_ALLOWED_ATTR`

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// required environment variables
This server reads these from process.env. You'll be asked to provide them before it can run.
🔐 secretAUTH_TOKEN— Direct support for pre-issued Microsoft Graph access tokens
configTEAMS_MCP_READ_ONLY— Read-only mode (=true) — only these scopes are requested:
// full audit trail
The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.
// improvement guidance — verified publishers only
We have 6 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.
// embed badge in your README
[![M8ven Score](https://m8ven.ai/badge/mcp/floriscornel-teams-mcp-5nzrra)](https://m8ven.ai/mcp/floriscornel-teams-mcp-5nzrra)
commit: e635dbfcf64dcebb62ffc64e4d56d6c83f779791
code hash: f4dca424e4c855589af426ef69f655f4848b5596ad43dfe98c4d2f76dea9b883
verified: 7/30/2026, 8:22:54 PM
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