Model Context Protocol moderate risk

Teams

The MCP Teams Server enables integration with Microsoft Teams, allowing read/write operations on messages, threads, and team members via API calls.

Connections & Capabilities

Connects To

GitHubDockerAzure

Capabilities

readwrite

Exposed MCP Tools (5)

moderate

start_thread

Starts a new thread in a Teams channel with a title, content, and user mentions.

Creates new content in Teams, potentially noisy or disruptive if misused.

moderate

update_thread

Adds a reply to an existing thread, mentioning users.

Modifies existing content in Teams, potentially adding misleading or unwanted information.

safe

read_thread_replies

Retrieves replies from a specific Teams thread.

Read-only operation, no side effects.

safe

list_channel_members

Lists the members of a Teams channel.

Read-only operation, no side effects.

safe

read_channel_messages

Retrieves messages from a Teams channel.

Read-only operation, no side effects.

Safety Assessment

The MCP Teams Server offers both read and write capabilities within Microsoft Teams. It's relatively safe if properly configured with restricted permissions and secure handling of environment variables. However, misconfiguration or exposure of secrets can lead to unauthorized modifications within Teams.

Requires specific Teams application setup and permissions.
Environment variables are used for configuration, avoiding hardcoded secrets in code.
Provides read and write capabilities, but no direct execution.
Security policy is defined for reporting concerns.

Write operations can modify Teams channels and messages.
Improperly configured Teams app or permissions can lead to unauthorized access.
Exposure of environment variables containing secrets could compromise the server.
No explicit input validation or sanitization is mentioned, increasing risk of injection attacks.