# mark_conversation_read

Mark all unread inbound messages in a conversation as read.

Agent View of the PolicyLayer registry record for `mark_conversation_read`. HTML page: https://policylayer.com/tools/io-github-polnikale-sequenzy-mcp/mark-conversation-read

## Facts

- Tool: `mark_conversation_read`
- Server: Sequenzy Mcp (`Sequenzy/mcp`) — https://policylayer.com/tools/io-github-polnikale-sequenzy-mcp.md
- Homepage: https://github.com/Sequenzy/mcp
- Risk category: Write (Medium risk)
- Registry record: grade D, identity unverified
- Server auth posture: gated
- Server CORS policy: *, *
- 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": "mark_conversation_read",
    "arguments": {}
  }
}
```

## Why mark_conversation_read is rated Medium

This tool modifies message state without irreversibly deleting data or executing external operations. The change is reversible (messages can be marked unread again) and affects only metadata, making it a Write-category action. Severity is low because marking messages as read has minimal blast radius and no impact on data integrity, financial systems, or critical operations.

From the tool's own definition: "Tool marks messages as read, which modifies the read/unread status of inbound messages. The verb 'mark' combined with a state change (unread → read) indicates a write operation that changes message metadata."

## Use case

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

## Recommended policy (PolicyLayer)

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

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

## Other tools on Sequenzy Mcp (221)

- `cancel_campaign` — Destructive — https://policylayer.com/tools/io-github-polnikale-sequenzy-mcp/cancel-campaign.md
- `cancel_sequence_enrollments` — Destructive — https://policylayer.com/tools/io-github-polnikale-sequenzy-mcp/cancel-sequence-enrollments.md
- `cancel_team_invitation` — Destructive — https://policylayer.com/tools/io-github-polnikale-sequenzy-mcp/cancel-team-invitation.md
- `delete_ab_test` — Destructive — https://policylayer.com/tools/io-github-polnikale-sequenzy-mcp/delete-ab-test.md
- `delete_ab_test_variant` — Destructive — https://policylayer.com/tools/io-github-polnikale-sequenzy-mcp/delete-ab-test-variant.md
- `delete_api_key` — Destructive — https://policylayer.com/tools/io-github-polnikale-sequenzy-mcp/delete-api-key.md
- `delete_audience_sync` — Destructive — https://policylayer.com/tools/io-github-polnikale-sequenzy-mcp/delete-audience-sync.md
- `delete_campaign` — Destructive — https://policylayer.com/tools/io-github-polnikale-sequenzy-mcp/delete-campaign.md
- `delete_campaign_goal` — Destructive — https://policylayer.com/tools/io-github-polnikale-sequenzy-mcp/delete-campaign-goal.md
- `delete_email_component` — Destructive — https://policylayer.com/tools/io-github-polnikale-sequenzy-mcp/delete-email-component.md
- `delete_landing_page` — Destructive — https://policylayer.com/tools/io-github-polnikale-sequenzy-mcp/delete-landing-page.md
- `delete_list` — Destructive — https://policylayer.com/tools/io-github-polnikale-sequenzy-mcp/delete-list.md
- `delete_popup` — Destructive — https://policylayer.com/tools/io-github-polnikale-sequenzy-mcp/delete-popup.md
- `delete_product` — Destructive — https://policylayer.com/tools/io-github-polnikale-sequenzy-mcp/delete-product.md
- `delete_segment` — Destructive — https://policylayer.com/tools/io-github-polnikale-sequenzy-mcp/delete-segment.md
- `delete_sequence` — Destructive — https://policylayer.com/tools/io-github-polnikale-sequenzy-mcp/delete-sequence.md
- `delete_sequence_goal` — Destructive — https://policylayer.com/tools/io-github-polnikale-sequenzy-mcp/delete-sequence-goal.md
- `delete_subscriber_note` — Destructive — https://policylayer.com/tools/io-github-polnikale-sequenzy-mcp/delete-subscriber-note.md
- `delete_tag` — Destructive — https://policylayer.com/tools/io-github-polnikale-sequenzy-mcp/delete-tag.md
- `delete_template` — Destructive — https://policylayer.com/tools/io-github-polnikale-sequenzy-mcp/delete-template.md
- `delete_transactional_email` — Destructive — https://policylayer.com/tools/io-github-polnikale-sequenzy-mcp/delete-transactional-email.md
- `delete_web_tracking_key` — Destructive — https://policylayer.com/tools/io-github-polnikale-sequenzy-mcp/delete-web-tracking-key.md
- `delete_webhook` — Destructive — https://policylayer.com/tools/io-github-polnikale-sequenzy-mcp/delete-webhook.md
- `remove_landing_page_domain` — Destructive — https://policylayer.com/tools/io-github-polnikale-sequenzy-mcp/remove-landing-page-domain.md
- `remove_product_file` — Destructive — https://policylayer.com/tools/io-github-polnikale-sequenzy-mcp/remove-product-file.md
- `remove_subscriber` — Destructive — https://policylayer.com/tools/io-github-polnikale-sequenzy-mcp/remove-subscriber.md
- `remove_subscribers_from_list` — Destructive — https://policylayer.com/tools/io-github-polnikale-sequenzy-mcp/remove-subscribers-from-list.md
- `revoke_api_key` — Destructive — https://policylayer.com/tools/io-github-polnikale-sequenzy-mcp/revoke-api-key.md
- `realign_sequence_enrollments` — Execute — https://policylayer.com/tools/io-github-polnikale-sequenzy-mcp/realign-sequence-enrollments.md
- `replay_webhook_delivery` — Execute — https://policylayer.com/tools/io-github-polnikale-sequenzy-mcp/replay-webhook-delivery.md
- …and 191 more: https://policylayer.com/tools/io-github-polnikale-sequenzy-mcp.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=io-github-polnikale-sequenzy-mcp · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/io-github-polnikale-sequenzy-mcp
