# update_branch

A write tool on the Storyblok MCP Server MCP server.

Agent View of the PolicyLayer registry record for `update_branch`. HTML page: https://policylayer.com/tools/arjuncodess-storyblok-mcp/update-branch

## Facts

- Tool: `update_branch`
- Server: Storyblok MCP Server (`arjuncodess/storyblok-mcp`) — https://policylayer.com/tools/arjuncodess-storyblok-mcp.md
- Homepage: https://github.com/ArjunCodess/storyblok-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_branch",
    "arguments": {}
  }
}
```

## Why update_branch is rated Medium

The tool modifies branch state in a CMS, which is reversible (Write category). Severity is high because branch updates could affect multiple stories and deployments across the CMS.

From the tool's own definition: "Tool name 'update_branch' combined with server context showing branch management capabilities (create_branch, compare_branches, copy_stories_between_branches); the name indicates modification of a branch's configuration or content."

## Use case

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

## Recommended policy (PolicyLayer)

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

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

## Other tools on Storyblok MCP Server (114)

- `delete_access_token` — Destructive — https://policylayer.com/tools/arjuncodess-storyblok-mcp/delete-access-token.md
- `delete_asset` — Destructive — https://policylayer.com/tools/arjuncodess-storyblok-mcp/delete-asset.md
- `delete_asset_folder` — Destructive — https://policylayer.com/tools/arjuncodess-storyblok-mcp/delete-asset-folder.md
- `delete_branch` — Destructive — https://policylayer.com/tools/arjuncodess-storyblok-mcp/delete-branch.md
- `delete_component` — Destructive — https://policylayer.com/tools/arjuncodess-storyblok-mcp/delete-component.md
- `delete_component_folder` — Destructive — https://policylayer.com/tools/arjuncodess-storyblok-mcp/delete-component-folder.md
- `delete_datasource` — Destructive — https://policylayer.com/tools/arjuncodess-storyblok-mcp/delete-datasource.md
- `delete_datasource_entry` — Destructive — https://policylayer.com/tools/arjuncodess-storyblok-mcp/delete-datasource-entry.md
- `delete_preset` — Destructive — https://policylayer.com/tools/arjuncodess-storyblok-mcp/delete-preset.md
- `delete_release` — Destructive — https://policylayer.com/tools/arjuncodess-storyblok-mcp/delete-release.md
- `delete_space` — Destructive — https://policylayer.com/tools/arjuncodess-storyblok-mcp/delete-space.md
- `delete_space_role` — Destructive — https://policylayer.com/tools/arjuncodess-storyblok-mcp/delete-space-role.md
- `delete_story` — Destructive — https://policylayer.com/tools/arjuncodess-storyblok-mcp/delete-story.md
- `delete_story_scheduling` — Destructive — https://policylayer.com/tools/arjuncodess-storyblok-mcp/delete-story-scheduling.md
- `delete_tag` — Destructive — https://policylayer.com/tools/arjuncodess-storyblok-mcp/delete-tag.md
- `delete_webhook` — Destructive — https://policylayer.com/tools/arjuncodess-storyblok-mcp/delete-webhook.md
- `delete_workflow` — Destructive — https://policylayer.com/tools/arjuncodess-storyblok-mcp/delete-workflow.md
- `delete_workflow_stage` — Destructive — https://policylayer.com/tools/arjuncodess-storyblok-mcp/delete-workflow-stage.md
- `create_branch_deployment` — Execute — https://policylayer.com/tools/arjuncodess-storyblok-mcp/create-branch-deployment.md
- `deploy_branch` — Execute — https://policylayer.com/tools/arjuncodess-storyblok-mcp/deploy-branch.md
- `backup_space` — Other — https://policylayer.com/tools/arjuncodess-storyblok-mcp/backup-space.md
- `ping` — Other — https://policylayer.com/tools/arjuncodess-storyblok-mcp/ping.md
- `compare_branches` — Read — https://policylayer.com/tools/arjuncodess-storyblok-mcp/compare-branches.md
- `fetch_access_tokens` — Read — https://policylayer.com/tools/arjuncodess-storyblok-mcp/fetch-access-tokens.md
- `fetch_asset_folders` — Read — https://policylayer.com/tools/arjuncodess-storyblok-mcp/fetch-asset-folders.md
- `fetch_assets` — Read — https://policylayer.com/tools/arjuncodess-storyblok-mcp/fetch-assets.md
- `fetch_branch_deployments` — Read — https://policylayer.com/tools/arjuncodess-storyblok-mcp/fetch-branch-deployments.md
- `fetch_branches` — Read — https://policylayer.com/tools/arjuncodess-storyblok-mcp/fetch-branches.md
- `fetch_component_folders` — Read — https://policylayer.com/tools/arjuncodess-storyblok-mcp/fetch-component-folders.md
- `fetch_components` — Read — https://policylayer.com/tools/arjuncodess-storyblok-mcp/fetch-components.md
- …and 84 more: https://policylayer.com/tools/arjuncodess-storyblok-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=arjuncodess-storyblok-mcp · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/arjuncodess-storyblok-mcp