# marketo_delete_channel

Delete a channel by ID. Fails if any programs are currently using this channel.

Agent View of the PolicyLayer registry record for `marketo_delete_channel`. HTML page: https://policylayer.com/tools/alexleventer-marketo-mcp/marketo-delete-channel

## Facts

- Tool: `marketo_delete_channel`
- Server: Marketo MCP Server (`alexleventer/marketo-mcp`) — https://policylayer.com/tools/alexleventer-marketo-mcp.md
- Homepage: https://github.com/alexleventer/marketo-mcp
- Risk category: Destructive (Critical risk)
- Registry record: grade F, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Hidden

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

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

## Why marketo_delete_channel is rated Critical

This tool performs an irreversible deletion of a marketing channel. Once deleted, the channel cannot be recovered, and any programs using it would be affected. This is a destructive operation with potential impact on marketing campaigns and program configuration. The high severity reflects the permanent nature of the action and potential blast radius if an AI agent mistakenly deletes critical marketing channels.

From the tool's own definition: "Tool name contains 'delete' and description states 'Delete a channel by ID', which irreversibly removes a channel resource from Marketo."

## Use case

AI agents call marketo_delete_channel to permanently remove resources in Marketo MCP Server, 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 Marketo MCP Server:

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

## Other tools on Marketo MCP Server (26)

- `marketo_delete_lead` — Destructive — https://policylayer.com/tools/alexleventer-marketo-mcp/marketo-delete-lead.md
- `marketo_send_sample_email` — Execute — https://policylayer.com/tools/alexleventer-marketo-mcp/marketo-send-sample-email.md
- `marketo_get_channel_by_id` — Read — https://policylayer.com/tools/alexleventer-marketo-mcp/marketo-get-channel-by-id.md
- `marketo_get_channels` — Read — https://policylayer.com/tools/alexleventer-marketo-mcp/marketo-get-channels.md
- `marketo_get_email_by_id` — Read — https://policylayer.com/tools/alexleventer-marketo-mcp/marketo-get-email-by-id.md
- `marketo_get_emails` — Read — https://policylayer.com/tools/alexleventer-marketo-mcp/marketo-get-emails.md
- `marketo_get_form_by_id` — Read — https://policylayer.com/tools/alexleventer-marketo-mcp/marketo-get-form-by-id.md
- `marketo_get_forms` — Read — https://policylayer.com/tools/alexleventer-marketo-mcp/marketo-get-forms.md
- `marketo_get_lead_activities` — Read — https://policylayer.com/tools/alexleventer-marketo-mcp/marketo-get-lead-activities.md
- `marketo_get_lead_by_email` — Read — https://policylayer.com/tools/alexleventer-marketo-mcp/marketo-get-lead-by-email.md
- `marketo_get_lead_by_id` — Read — https://policylayer.com/tools/alexleventer-marketo-mcp/marketo-get-lead-by-id.md
- `marketo_get_lead_changes` — Read — https://policylayer.com/tools/alexleventer-marketo-mcp/marketo-get-lead-changes.md
- `marketo_get_lead_lists` — Read — https://policylayer.com/tools/alexleventer-marketo-mcp/marketo-get-lead-lists.md
- `marketo_get_program_by_id` — Read — https://policylayer.com/tools/alexleventer-marketo-mcp/marketo-get-program-by-id.md
- `marketo_get_program_members` — Read — https://policylayer.com/tools/alexleventer-marketo-mcp/marketo-get-program-members.md
- `marketo_get_programs` — Read — https://policylayer.com/tools/alexleventer-marketo-mcp/marketo-get-programs.md
- `marketo_get_smart_list_by_id` — Read — https://policylayer.com/tools/alexleventer-marketo-mcp/marketo-get-smart-list-by-id.md
- `marketo_get_smart_lists` — Read — https://policylayer.com/tools/alexleventer-marketo-mcp/marketo-get-smart-lists.md
- `marketo_add_lead_to_list` — Write — https://policylayer.com/tools/alexleventer-marketo-mcp/marketo-add-lead-to-list.md
- `marketo_approve_form` — Write — https://policylayer.com/tools/alexleventer-marketo-mcp/marketo-approve-form.md
- `marketo_clone_form` — Write — https://policylayer.com/tools/alexleventer-marketo-mcp/marketo-clone-form.md
- `marketo_clone_program` — Write — https://policylayer.com/tools/alexleventer-marketo-mcp/marketo-clone-program.md
- `marketo_create_channel` — Write — https://policylayer.com/tools/alexleventer-marketo-mcp/marketo-create-channel.md
- `marketo_create_or_update_lead` — Write — https://policylayer.com/tools/alexleventer-marketo-mcp/marketo-create-or-update-lead.md
- `marketo_remove_lead_from_list` — Write — https://policylayer.com/tools/alexleventer-marketo-mcp/marketo-remove-lead-from-list.md
- `marketo_update_channel` — Write — https://policylayer.com/tools/alexleventer-marketo-mcp/marketo-update-channel.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=alexleventer-marketo-mcp · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/alexleventer-marketo-mcp