# list_webhooks

List webhooks for a project or group

Agent View of the PolicyLayer registry record for `list_webhooks`. HTML page: https://policylayer.com/tools/io-github-zereight-gitlab-mcp/list-webhooks

## Facts

- Tool: `list_webhooks`
- Server: Gitlab Mcp (`@zereight/mcp-gitlab`) — https://policylayer.com/tools/io-github-zereight-gitlab-mcp.md
- Install: `npx -y @zereight/mcp-gitlab`
- Homepage: https://github.com/zereight/gitlab-mcp
- Risk category: Read (Low risk)
- Registry record: grade F, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Allowed

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

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

## Why list_webhooks is rated Low

This is a read-only operation that retrieves webhook data. It performs no side effects, creates no resources, executes no code, and does not delete or modify data. The blast radius of misuse is minimal—an agent could enumerate webhooks to understand notification flows, but cannot trigger destructive actions through this tool alone.

From the tool's own definition: "Tool name 'list_webhooks' and description 'List webhooks for a project or group' indicate a retrieval operation that queries existing webhook configurations without modifying them."

## Use case

AI agents call list_webhooks to retrieve information from Gitlab Mcp 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 Gitlab Mcp:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "list_webhooks": {}
  }
}
```

## Other tools on Gitlab Mcp (214)

- `cancel_pipeline_job` — Destructive — https://policylayer.com/tools/io-github-zereight-gitlab-mcp/cancel-pipeline-job.md
- `delete_branch` — Destructive — https://policylayer.com/tools/io-github-zereight-gitlab-mcp/delete-branch.md
- `delete_draft_note` — Destructive — https://policylayer.com/tools/io-github-zereight-gitlab-mcp/delete-draft-note.md
- `delete_group_variable` — Destructive — https://policylayer.com/tools/io-github-zereight-gitlab-mcp/delete-group-variable.md
- `delete_group_wiki_page` — Destructive — https://policylayer.com/tools/io-github-zereight-gitlab-mcp/delete-group-wiki-page.md
- `delete_issue` — Destructive — https://policylayer.com/tools/io-github-zereight-gitlab-mcp/delete-issue.md
- `delete_issue_emoji_reaction` — Destructive — https://policylayer.com/tools/io-github-zereight-gitlab-mcp/delete-issue-emoji-reaction.md
- `delete_issue_link` — Destructive — https://policylayer.com/tools/io-github-zereight-gitlab-mcp/delete-issue-link.md
- `delete_issue_note_emoji_reaction` — Destructive — https://policylayer.com/tools/io-github-zereight-gitlab-mcp/delete-issue-note-emoji-reaction.md
- `delete_label` — Destructive — https://policylayer.com/tools/io-github-zereight-gitlab-mcp/delete-label.md
- `delete_merge_request_discussion_note` — Destructive — https://policylayer.com/tools/io-github-zereight-gitlab-mcp/delete-merge-request-discussion-note.md
- `delete_merge_request_emoji_reaction` — Destructive — https://policylayer.com/tools/io-github-zereight-gitlab-mcp/delete-merge-request-emoji-reaction.md
- `delete_merge_request_note` — Destructive — https://policylayer.com/tools/io-github-zereight-gitlab-mcp/delete-merge-request-note.md
- `delete_merge_request_note_emoji_reaction` — Destructive — https://policylayer.com/tools/io-github-zereight-gitlab-mcp/delete-merge-request-note-emoji-reaction.md
- `delete_milestone` — Destructive — https://policylayer.com/tools/io-github-zereight-gitlab-mcp/delete-milestone.md
- `delete_project_variable` — Destructive — https://policylayer.com/tools/io-github-zereight-gitlab-mcp/delete-project-variable.md
- `delete_release` — Destructive — https://policylayer.com/tools/io-github-zereight-gitlab-mcp/delete-release.md
- `delete_tag` — Destructive — https://policylayer.com/tools/io-github-zereight-gitlab-mcp/delete-tag.md
- `delete_wiki_page` — Destructive — https://policylayer.com/tools/io-github-zereight-gitlab-mcp/delete-wiki-page.md
- `delete_work_item_emoji_reaction` — Destructive — https://policylayer.com/tools/io-github-zereight-gitlab-mcp/delete-work-item-emoji-reaction.md
- `delete_work_item_note_emoji_reaction` — Destructive — https://policylayer.com/tools/io-github-zereight-gitlab-mcp/delete-work-item-note-emoji-reaction.md
- `omg_clear_state` — Destructive — https://policylayer.com/tools/io-github-zereight-gitlab-mcp/omg-clear-state.md
- `omg_delete_memory` — Destructive — https://policylayer.com/tools/io-github-zereight-gitlab-mcp/omg-delete-memory.md
- `purge_dependency_proxy_cache` — Destructive — https://policylayer.com/tools/io-github-zereight-gitlab-mcp/purge-dependency-proxy-cache.md
- `unprotect_branch` — Destructive — https://policylayer.com/tools/io-github-zereight-gitlab-mcp/unprotect-branch.md
- `cancel_pipeline` — Execute — https://policylayer.com/tools/io-github-zereight-gitlab-mcp/cancel-pipeline.md
- `create_pipeline` — Execute — https://policylayer.com/tools/io-github-zereight-gitlab-mcp/create-pipeline.md
- `execute_graphql` — Execute — https://policylayer.com/tools/io-github-zereight-gitlab-mcp/execute-graphql.md
- `omg_next_phase` — Execute — https://policylayer.com/tools/io-github-zereight-gitlab-mcp/omg-next-phase.md
- `play_pipeline_job` — Execute — https://policylayer.com/tools/io-github-zereight-gitlab-mcp/play-pipeline-job.md
- …and 184 more: https://policylayer.com/tools/io-github-zereight-gitlab-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-zereight-gitlab-mcp · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/io-github-zereight-gitlab-mcp
