ToolTrust
C34/100
shinzo-labs

shinzo-labs-gmail-mcp

mcp1.7.4

@shinzo-labs

MCP Implementation for Gmail Services

By shinzo-labs | 41 findings | Scanned 5/30/2026 | tooltrust-scanner/v0.3.13 | 53

5 High7 Medium9 Low20 Info

Risk Summary

Needs Approval

Dep Visibility plus Excessive Permissions raises enough risk that this tool should not be auto-trusted.

Potential impact: This finding indicates the tool should be reviewed before it is trusted.

Recommended action: Keep this tool behind manual approval and avoid unattended runs until the risky capabilities are narrowed or removed.

Suggested policy: keep this tool behind manual approval, do not allow unattended runs, and re-scan after narrowing risky permissions.

Security Findings (41)

  • HighAS-002

    ⚠️Excessive Permissions ×5

    tool declares network permission

    GMAIL_FETCH_EMAILSGMAIL_FETCH_MESSAGE_BY_MESSAGE_IDGMAIL_FETCH_MESSAGE_BY_THREAD_IDGMAIL_GET_CONTACTS

    tool declares exec permission

    GMAIL_FETCH_EMAILS

    Fix: Tool requests broad permissions (exec/fs/network). Validate input parameters using Enums where possible, and restrict file system operations to explicit allowed directories.

  • MediumAS-002

    ⚠️Excessive Permissions ×7

    tool declares fs permission

    GMAIL_CREATE_EMAIL_DRAFTGMAIL_CREATE_LABELGMAIL_DELETE_DRAFTGMAIL_DELETE_MESSAGEGMAIL_GET_ATTACHMENTGMAIL_GET_PROFILEGMAIL_REMOVE_LABEL

    Fix: Tool requests broad permissions (exec/fs/network). Validate input parameters using Enums where possible, and restrict file system operations to explicit allowed directories.

  • LowAS-002

    ⚠️Excessive Permissions ×3

    tool declares http permission

    GMAIL_CREATE_EMAIL_DRAFTGMAIL_FETCH_EMAILSGMAIL_REPLY_TO_THREAD

    Fix: Tool requests broad permissions (exec/fs/network). Validate input parameters using Enums where possible, and restrict file system operations to explicit allowed directories.

  • LowAS-011

    ℹ️Missing Rate-Limit / Timeout ×6

    tool performs network or execution operations but declares no rate-limit, timeout, or retry configuration

    GMAIL_CREATE_EMAIL_DRAFTGMAIL_FETCH_EMAILSGMAIL_FETCH_MESSAGE_BY_MESSAGE_IDGMAIL_FETCH_MESSAGE_BY_THREAD_IDGMAIL_GET_CONTACTSGMAIL_REPLY_TO_THREAD

    Fix: Declare explicit rate-limit, timeout, and retry configuration for all network and execution tools. Implement exponential back-off and surface resource state to the calling agent.

  • InfoAS-014

    ℹ️Dependency Inventory Unavailable ×20

    Tool did not expose metadata.dependencies or repo_url, so supply-chain coverage is limited.

    GMAIL_ADD_LABEL_TO_EMAILGMAIL_CREATE_EMAIL_DRAFTGMAIL_CREATE_LABELGMAIL_DELETE_DRAFTGMAIL_DELETE_MESSAGEGMAIL_FETCH_EMAILSGMAIL_FETCH_MESSAGE_BY_MESSAGE_IDGMAIL_FETCH_MESSAGE_BY_THREAD_IDGMAIL_GET_ATTACHMENTGMAIL_GET_CONTACTSGMAIL_GET_PEOPLEGMAIL_GET_PROFILEGMAIL_LIST_DRAFTSGMAIL_LIST_LABELSGMAIL_LIST_THREADSGMAIL_MODIFY_THREAD_LABELSGMAIL_MOVE_TO_TRASHGMAIL_PATCH_LABELGMAIL_REMOVE_LABELGMAIL_REPLY_TO_THREAD

    Fix: Review and remediate the identified issue.

Scan this tool yourself

Reproduce this audit locally, integrate into CI, or let your agent audit its own tools.

Install once, then scan any MCP server:

$ curl -sfL https://raw.githubusercontent.com/AgentSafe-AI/tooltrust-scanner/main/install.sh | bash
$ tooltrust-scanner scan --server "npx -y shinzo-labs-gmail-mcp"

Adjust the package name if your npm registry name differs from the tool ID. View source

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