# gmail_reply_to_message

Reply to an existing email message, preserving the thread

Agent View of the PolicyLayer registry record for `gmail_reply_to_message`. HTML page: https://policylayer.com/tools/sagemcp-sagemcp/gmail-reply-to-message

## Facts

- Tool: `gmail_reply_to_message`
- Server: Sage MCP (`sagemcp/sagemcp`) — https://policylayer.com/tools/sagemcp-sagemcp.md
- Homepage: https://github.com/sagemcp/sagemcp
- Risk category: Write (Medium risk)
- Registry record: grade F, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Rate-limited

## Example call (MCP tools/call, JSON-RPC 2.0)

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "gmail_reply_to_message",
    "arguments": {}
  }
}
```

## Why gmail_reply_to_message is rated Medium

This tool sends an email reply, which is a reversible write operation (the reply is sent, but it can be considered a message creation). It does not delete data, execute code, or involve financial transactions. However, misuse could cause reputational or operational harm by sending unintended replies to email threads on behalf of the user.

From the tool's own definition: "Reply to an existing email message, preserving the thread"

## Use case

AI agents use gmail_reply_to_message to create or update resources in Sage MCP, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Sage MCP environment.

## Recommended policy (PolicyLayer)

Verdict: **Rate-limited**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches Sage MCP:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "gmail_reply_to_message": {
      "limits": [
        {
          "counter": "gmail_reply_to_message_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}
```

## Other tools on Sage MCP (358)

- `claude_code_delete_invite` — Destructive — https://policylayer.com/tools/sagemcp-sagemcp/claude-code-delete-invite.md
- `claude_code_remove_user` — Destructive — https://policylayer.com/tools/sagemcp-sagemcp/claude-code-remove-user.md
- `codex_delete_user` — Destructive — https://policylayer.com/tools/sagemcp-sagemcp/codex-delete-user.md
- `confluence_delete_page` — Destructive — https://policylayer.com/tools/sagemcp-sagemcp/confluence-delete-page.md
- `copilot_remove_seats` — Destructive — https://policylayer.com/tools/sagemcp-sagemcp/copilot-remove-seats.md
- `cursor_remove_member` — Destructive — https://policylayer.com/tools/sagemcp-sagemcp/cursor-remove-member.md
- `discord_delete_message` — Destructive — https://policylayer.com/tools/sagemcp-sagemcp/discord-delete-message.md
- `excel_clear_range` — Destructive — https://policylayer.com/tools/sagemcp-sagemcp/excel-clear-range.md
- `excel_delete_worksheet` — Destructive — https://policylayer.com/tools/sagemcp-sagemcp/excel-delete-worksheet.md
- `gmail_trash_message` — Destructive — https://policylayer.com/tools/sagemcp-sagemcp/gmail-trash-message.md
- `google_sheets_batch_update` — Destructive — https://policylayer.com/tools/sagemcp-sagemcp/google-sheets-batch-update.md
- `google_sheets_clear_range` — Destructive — https://policylayer.com/tools/sagemcp-sagemcp/google-sheets-clear-range.md
- `google_sheets_delete_sheet` — Destructive — https://policylayer.com/tools/sagemcp-sagemcp/google-sheets-delete-sheet.md
- `google_slides_delete_slide` — Destructive — https://policylayer.com/tools/sagemcp-sagemcp/google-slides-delete-slide.md
- `outlook_delete_message` — Destructive — https://policylayer.com/tools/sagemcp-sagemcp/outlook-delete-message.md
- `powerpoint_delete_presentation` — Destructive — https://policylayer.com/tools/sagemcp-sagemcp/powerpoint-delete-presentation.md
- `slack_reactions_remove` — Destructive — https://policylayer.com/tools/sagemcp-sagemcp/slack-reactions-remove.md
- `zoom_delete_meeting` — Destructive — https://policylayer.com/tools/sagemcp-sagemcp/zoom-delete-meeting.md
- `bitbucket_trigger_pipeline` — Execute — https://policylayer.com/tools/sagemcp-sagemcp/bitbucket-trigger-pipeline.md
- `excel_run_formula` — Execute — https://policylayer.com/tools/sagemcp-sagemcp/excel-run-formula.md
- `gitlab_retry_pipeline` — Execute — https://policylayer.com/tools/sagemcp-sagemcp/gitlab-retry-pipeline.md
- `copilot_add_seats` — Financial — https://policylayer.com/tools/sagemcp-sagemcp/copilot-add-seats.md
- `cursor_set_user_spend_limit` — Financial — https://policylayer.com/tools/sagemcp-sagemcp/cursor-set-user-spend-limit.md
- `bitbucket_get_diff` — Read — https://policylayer.com/tools/sagemcp-sagemcp/bitbucket-get-diff.md
- `bitbucket_get_file` — Read — https://policylayer.com/tools/sagemcp-sagemcp/bitbucket-get-file.md
- `bitbucket_get_issue` — Read — https://policylayer.com/tools/sagemcp-sagemcp/bitbucket-get-issue.md
- `bitbucket_get_pipeline` — Read — https://policylayer.com/tools/sagemcp-sagemcp/bitbucket-get-pipeline.md
- `bitbucket_get_pull_request` — Read — https://policylayer.com/tools/sagemcp-sagemcp/bitbucket-get-pull-request.md
- `bitbucket_get_repository` — Read — https://policylayer.com/tools/sagemcp-sagemcp/bitbucket-get-repository.md
- `bitbucket_list_branches` — Read — https://policylayer.com/tools/sagemcp-sagemcp/bitbucket-list-branches.md
- …and 328 more: https://policylayer.com/tools/sagemcp-sagemcp.md

## For agents

This record is a snapshot. Live verdicts and the full registry:

- Check every server in your MCP config at once: `npx -y policylayer stack`
- Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md)
- Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events`

---

Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=sagemcp-sagemcp · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/sagemcp-sagemcp