# actual_category_groups_update

Update an existing category group in Actual Budget. You can rename the group, change whether it

Agent View of the PolicyLayer registry record for `actual_category_groups_update`. HTML page: https://policylayer.com/tools/actual/actual-category-groups-update

## Facts

- Tool: `actual_category_groups_update`
- Server: Actual (`actual-mcp-server`) — https://policylayer.com/tools/actual.md
- Install: `npx -y actual-mcp-server`
- Homepage: git+https://github.com/agigante80/actual-mcp-server.git
- 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": "actual_category_groups_update",
    "arguments": {}
  }
}
```

## Why actual_category_groups_update is rated Medium

This tool modifies existing financial category groups within Actual Budget, which is a reversible write operation. While it affects financial management configuration, it does not move money, create financial obligations, or permanently delete data. The blast radius is medium because misconfiguration could affect budget tracking and reporting accuracy, but changes can be reverted.

From the tool's own definition: "Tool name contains 'update' and description states 'Update an existing category group in Actual Budget. You can rename the group, change whether it...' indicating modification of financial configuration data."

## Use case

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

## Recommended policy (PolicyLayer)

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

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

## Other tools on Actual (63)

- `actual_accounts_delete` — Destructive — https://policylayer.com/tools/actual/actual-accounts-delete.md
- `actual_categories_delete` — Destructive — https://policylayer.com/tools/actual/actual-categories-delete.md
- `actual_category_groups_delete` — Destructive — https://policylayer.com/tools/actual/actual-category-groups-delete.md
- `actual_payees_delete` — Destructive — https://policylayer.com/tools/actual/actual-payees-delete.md
- `actual_rules_delete` — Destructive — https://policylayer.com/tools/actual/actual-rules-delete.md
- `actual_schedules_delete` — Destructive — https://policylayer.com/tools/actual/actual-schedules-delete.md
- `actual_tags_delete` — Destructive — https://policylayer.com/tools/actual/actual-tags-delete.md
- `actual_transactions_delete` — Destructive — https://policylayer.com/tools/actual/actual-transactions-delete.md
- `actual_bank_sync` — Execute — https://policylayer.com/tools/actual/actual-bank-sync.md
- `actual_query_run` — Execute — https://policylayer.com/tools/actual/actual-query-run.md
- `actual_session_close` — Other — https://policylayer.com/tools/actual/actual-session-close.md
- `actual_accounts_list` — Read — https://policylayer.com/tools/actual/actual-accounts-list.md
- `actual_budgets_get_all` — Read — https://policylayer.com/tools/actual/actual-budgets-get-all.md
- `actual_budgets_getMonth` — Read — https://policylayer.com/tools/actual/actual-budgets-getmonth.md
- `actual_budgets_getMonths` — Read — https://policylayer.com/tools/actual/actual-budgets-getmonths.md
- `actual_budgets_list_available` — Read — https://policylayer.com/tools/actual/actual-budgets-list-available.md
- `actual_categories_get` — Read — https://policylayer.com/tools/actual/actual-categories-get.md
- `actual_category_groups_get` — Read — https://policylayer.com/tools/actual/actual-category-groups-get.md
- `actual_entities_search` — Read — https://policylayer.com/tools/actual/actual-entities-search.md
- `actual_get_id_by_name` — Read — https://policylayer.com/tools/actual/actual-get-id-by-name.md
- `actual_notes_get` — Read — https://policylayer.com/tools/actual/actual-notes-get.md
- `actual_payee_rules_get` — Read — https://policylayer.com/tools/actual/actual-payee-rules-get.md
- `actual_payees_common_list` — Read — https://policylayer.com/tools/actual/actual-payees-common-list.md
- `actual_payees_get` — Read — https://policylayer.com/tools/actual/actual-payees-get.md
- `actual_rules_get` — Read — https://policylayer.com/tools/actual/actual-rules-get.md
- `actual_schedules_get` — Read — https://policylayer.com/tools/actual/actual-schedules-get.md
- `actual_server_info` — Read — https://policylayer.com/tools/actual/actual-server-info.md
- `actual_session_list` — Read — https://policylayer.com/tools/actual/actual-session-list.md
- `actual_tags_list` — Read — https://policylayer.com/tools/actual/actual-tags-list.md
- `actual_transactions_filter` — Read — https://policylayer.com/tools/actual/actual-transactions-filter.md
- …and 33 more: https://policylayer.com/tools/actual.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=actual · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/actual