# hires_cancel_all_notification_messages

Cancel all scheduled notification emails for a candidate. Already sent notifications are not affected. Returns success even if no scheduled notifications exist.

Agent View of the PolicyLayer registry record for `hires_cancel_all_notification_messages`. HTML page: https://policylayer.com/tools/com-100hires-100hires/hires-cancel-all-notification-messages

## Facts

- Tool: `hires_cancel_all_notification_messages`
- Server: 100Hires - AI ATS & Recruitment Software (`https://mcp.100hires.com/mcp`) — https://policylayer.com/tools/com-100hires-100hires.md
- Homepage: https://github.com/100Hires/mcp
- Risk category: Destructive (Critical risk)
- Registry record: grade F, identity unverified
- Server auth posture: open
- Server rate-limited: no
- Parameters: 1 (1 required)
- Recommended policy verdict: Hidden

## Parameters

| Parameter | Type | Required | Description |
| --- | --- | --- | --- |
| `candidate_id` | object | yes | Candidate ID (numeric) or alias. |

Parameters from the server's own tool schema.

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

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

## Why hires_cancel_all_notification_messages is rated Critical

Cancelling all scheduled notifications is an irreversible bulk action — once cancelled, those scheduled emails will not be sent. There is no indication of an undo mechanism. The 'all' scope amplifies the blast radius, as an AI agent misusing this tool could silently cancel every pending notification for a candidate, potentially disrupting hiring workflows at scale.

From the tool's own definition: "Cancel all scheduled notification emails for a candidate. Already sent notifications are not affected."

## Use case

AI agents call hires_cancel_all_notification_messages to permanently remove resources in 100Hires - AI ATS & Recruitment Software, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.

## Recommended policy (PolicyLayer)

Verdict: **Hidden**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches 100Hires - AI ATS & Recruitment Software:

```json
{
  "version": "1",
  "default": "deny",
  "hide": [
    "hires_cancel_all_notification_messages"
  ]
}
```

## Other tools on 100Hires - AI ATS & Recruitment Software (132)

- `hires_batch_remove_from_boards` — Destructive — https://policylayer.com/tools/com-100hires-100hires/hires-batch-remove-from-boards.md
- `hires_delete_application` — Destructive — https://policylayer.com/tools/com-100hires-100hires/hires-delete-application.md
- `hires_delete_candidate` — Destructive — https://policylayer.com/tools/com-100hires-100hires/hires-delete-candidate.md
- `hires_delete_company` — Destructive — https://policylayer.com/tools/com-100hires-100hires/hires-delete-company.md
- `hires_delete_email_template` — Destructive — https://policylayer.com/tools/com-100hires-100hires/hires-delete-email-template.md
- `hires_delete_form` — Destructive — https://policylayer.com/tools/com-100hires-100hires/hires-delete-form.md
- `hires_delete_job` — Destructive — https://policylayer.com/tools/com-100hires-100hires/hires-delete-job.md
- `hires_delete_job_webhook` — Destructive — https://policylayer.com/tools/com-100hires-100hires/hires-delete-job-webhook.md
- `hires_delete_message` — Destructive — https://policylayer.com/tools/com-100hires-100hires/hires-delete-message.md
- `hires_delete_note` — Destructive — https://policylayer.com/tools/com-100hires-100hires/hires-delete-note.md
- `hires_delete_notification_message` — Destructive — https://policylayer.com/tools/com-100hires-100hires/hires-delete-notification-message.md
- `hires_delete_nurture_campaign` — Destructive — https://policylayer.com/tools/com-100hires-100hires/hires-delete-nurture-campaign.md
- `hires_delete_question` — Destructive — https://policylayer.com/tools/com-100hires-100hires/hires-delete-question.md
- `hires_delete_webhook` — Destructive — https://policylayer.com/tools/com-100hires-100hires/hires-delete-webhook.md
- `hires_disqualify_candidate` — Destructive — https://policylayer.com/tools/com-100hires-100hires/hires-disqualify-candidate.md
- `hires_remove_from_job_board` — Destructive — https://policylayer.com/tools/com-100hires-100hires/hires-remove-from-job-board.md
- `hires_batch_job_boards` — Read — https://policylayer.com/tools/com-100hires-100hires/hires-batch-job-boards.md
- `hires_download_attachment` — Read — https://policylayer.com/tools/com-100hires-100hires/hires-download-attachment.md
- `hires_get_ai_score` — Read — https://policylayer.com/tools/com-100hires-100hires/hires-get-ai-score.md
- `hires_get_application` — Read — https://policylayer.com/tools/com-100hires-100hires/hires-get-application.md
- `hires_get_billing` — Read — https://policylayer.com/tools/com-100hires-100hires/hires-get-billing.md
- `hires_get_candidate` — Read — https://policylayer.com/tools/com-100hires-100hires/hires-get-candidate.md
- `hires_get_candidate_resume` — Read — https://policylayer.com/tools/com-100hires-100hires/hires-get-candidate-resume.md
- `hires_get_career_job` — Read — https://policylayer.com/tools/com-100hires-100hires/hires-get-career-job.md
- `hires_get_company` — Read — https://policylayer.com/tools/com-100hires-100hires/hires-get-company.md
- `hires_get_email_template` — Read — https://policylayer.com/tools/com-100hires-100hires/hires-get-email-template.md
- `hires_get_evaluation` — Read — https://policylayer.com/tools/com-100hires-100hires/hires-get-evaluation.md
- `hires_get_form` — Read — https://policylayer.com/tools/com-100hires-100hires/hires-get-form.md
- `hires_get_interview` — Read — https://policylayer.com/tools/com-100hires-100hires/hires-get-interview.md
- `hires_get_job` — Read — https://policylayer.com/tools/com-100hires-100hires/hires-get-job.md
- …and 102 more: https://policylayer.com/tools/com-100hires-100hires.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`

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Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=com-100hires-100hires · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/com-100hires-100hires
