# update_merge_request_discussion_note Update a discussion note on a merge request Agent View of the PolicyLayer registry record for `update_merge_request_discussion_note`. HTML page: https://policylayer.com/tools/io-github-zereight-gitlab-mcp/update-merge-request-discussion-note ## Facts - Tool: `update_merge_request_discussion_note` - 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: Write (Medium risk) - Registry record: grade F, identity unverified - 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": "update_merge_request_discussion_note", "arguments": {} } } ``` ## Why update_merge_request_discussion_note is rated Medium This tool modifies existing discussion notes on merge requests. It is a Write operation because it changes data reversibly without deleting or executing code. Severity is medium because inappropriate updates could alter discussion context, mislead reviewers, or obstruct code review processes, but the effect is limited to note content and can be corrected by reverting the update. From the tool's own definition: "Tool name contains 'update' and description states 'Update a discussion note on a merge request'. The verb 'update' indicates modification of existing data (a discussion note), which is reversible." ## Use case AI agents use update_merge_request_discussion_note to create or update resources in Gitlab Mcp, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Gitlab Mcp environment. ## Recommended policy (PolicyLayer) Verdict: **Rate-limited**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches Gitlab Mcp: ```json { "version": "1", "default": "deny", "tools": { "update_merge_request_discussion_note": { "limits": [ { "counter": "update_merge_request_discussion_note_rate", "window": "minute", "max": 30, "scope": "grant" } ] } } } ``` ## 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