# hires_list_candidate_messages

List email and messaging history for a candidate. Use is_scheduled=1 to filter only pending scheduled messages. Recommended size <= 10: messages include full HTML body; if the response exceeds the budget the tool returns isError:true with error_code=response_too_large and retry hints.

Agent View of the PolicyLayer registry record for `hires_list_candidate_messages`. HTML page: https://policylayer.com/tools/com-100hires-100hires/hires-list-candidate-messages

## Facts

- Tool: `hires_list_candidate_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: Read (Low risk)
- Registry record: grade F, identity unverified
- Server auth posture: open
- Server rate-limited: no
- Parameters: 5 (1 required)
- Recommended policy verdict: Allowed

## Parameters

| Parameter | Type | Required | Description |
| --- | --- | --- | --- |
| `id` | string | number | yes | Candidate ID (integer) or alias (string). |
| `page` | number | no | Page number (1-based). |
| `size` | number | no | Number of items per page. |
| `view` | string | no | Response shape. Default `summary` excludes the HTML body and attachments metadata. Use `full` only when message body content is needed. |
| `is_scheduled` | number | no | Set to 1 to return only scheduled (not yet sent) messages. |

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_list_candidate_messages",
    "arguments": {
      "id": 0
    }
  }
}
```

## Why hires_list_candidate_messages is rated Low

This tool queries and retrieves existing messaging history associated with a candidate. It performs a read-only operation with no side effects on data. The sibling tools on this server (hires_advance_application, hires_batch_move_applications, hires_batch_reject_applications, hires_add_candidate_tags) perform writes or state changes, but this tool explicitly lists/retrieves only.

From the tool's own definition: "Tool name contains 'list' and description states 'List email and messaging history for a candidate' — retrieves historical messages with no modification, creation, or deletion of data."

## Use case

AI agents call hires_list_candidate_messages to retrieve information from 100Hires - AI ATS & Recruitment Software without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

## Recommended policy (PolicyLayer)

Verdict: **Allowed**. 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",
  "tools": {
    "hires_list_candidate_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_cancel_all_notification_messages` — Destructive — https://policylayer.com/tools/com-100hires-100hires/hires-cancel-all-notification-messages.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
- …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
