# update_catalog_item

Update an existing catalog item (requires WRITE_ENABLED=true)

Agent View of the PolicyLayer registry record for `update_catalog_item`. HTML page: https://policylayer.com/tools/nowaikit-servicenow-ai-toolkit/update-catalog-item

## Facts

- Tool: `update_catalog_item`
- Server: NowAIKit — ServiceNow AI Toolkit (`nowaikit`) — https://policylayer.com/tools/nowaikit-servicenow-ai-toolkit.md
- Install: `npx -y nowaikit`
- Homepage: https://github.com/aartiq/nowaikit
- Risk category: Write (Medium risk)
- Registry record: grade F, identity verified
- 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_catalog_item",
    "arguments": {}
  }
}
```

## Why update_catalog_item is rated Medium

This tool creates or modifies data reversibly by updating catalog items in ServiceNow. It is not destructive (does not delete or irreversibly remove data), does not execute arbitrary code, and does not involve financial transactions.

From the tool's own definition: "Tool name 'update_catalog_item' combined with description 'Update an existing catalog item' directly indicates modification of data. The description explicitly notes a WRITE_ENABLED requirement, confirming write operations."

## Use case

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

## Recommended policy (PolicyLayer)

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

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

## Other tools on NowAIKit — ServiceNow AI Toolkit (409)

- `cmdb_reconcile` — Destructive — https://policylayer.com/tools/nowaikit-servicenow-ai-toolkit/cmdb-reconcile.md
- `delete_attachment` — Destructive — https://policylayer.com/tools/nowaikit-servicenow-ai-toolkit/delete-attachment.md
- `delete_record` — Destructive — https://policylayer.com/tools/nowaikit-servicenow-ai-toolkit/delete-record.md
- `delete_system_property` — Destructive — https://policylayer.com/tools/nowaikit-servicenow-ai-toolkit/delete-system-property.md
- `delete_uib_page` — Destructive — https://policylayer.com/tools/nowaikit-servicenow-ai-toolkit/delete-uib-page.md
- `remove_user_from_group` — Destructive — https://policylayer.com/tools/nowaikit-servicenow-ai-toolkit/remove-user-from-group.md
- `rollback_changes` — Destructive — https://policylayer.com/tools/nowaikit-servicenow-ai-toolkit/rollback-changes.md
- `rollback_deployment` — Destructive — https://policylayer.com/tools/nowaikit-servicenow-ai-toolkit/rollback-deployment.md
- `visualize_aggregate` — Destructive — https://policylayer.com/tools/nowaikit-servicenow-ai-toolkit/visualize-aggregate.md
- `batch_request` — Execute — https://policylayer.com/tools/nowaikit-servicenow-ai-toolkit/batch-request.md
- `categorize_incident` — Execute — https://policylayer.com/tools/nowaikit-servicenow-ai-toolkit/categorize-incident.md
- `commit_changeset` — Execute — https://policylayer.com/tools/nowaikit-servicenow-ai-toolkit/commit-changeset.md
- `create_business_rule` — Execute — https://policylayer.com/tools/nowaikit-servicenow-ai-toolkit/create-business-rule.md
- `create_flow_action` — Execute — https://policylayer.com/tools/nowaikit-servicenow-ai-toolkit/create-flow-action.md
- `create_scheduled_job` — Execute — https://policylayer.com/tools/nowaikit-servicenow-ai-toolkit/create-scheduled-job.md
- `execute_background_script` — Execute — https://policylayer.com/tools/nowaikit-servicenow-ai-toolkit/execute-background-script.md
- `execute_playbook` — Execute — https://policylayer.com/tools/nowaikit-servicenow-ai-toolkit/execute-playbook.md
- `execute_script` — Execute — https://policylayer.com/tools/nowaikit-servicenow-ai-toolkit/execute-script.md
- `fire_event` — Execute — https://policylayer.com/tools/nowaikit-servicenow-ai-toolkit/fire-event.md
- `fluent_build` — Execute — https://policylayer.com/tools/nowaikit-servicenow-ai-toolkit/fluent-build.md
- `fluent_explain` — Execute — https://policylayer.com/tools/nowaikit-servicenow-ai-toolkit/fluent-explain.md
- `fluent_init` — Execute — https://policylayer.com/tools/nowaikit-servicenow-ai-toolkit/fluent-init.md
- `fluent_validate` — Execute — https://policylayer.com/tools/nowaikit-servicenow-ai-toolkit/fluent-validate.md
- `ml_detect_anomalies` — Execute — https://policylayer.com/tools/nowaikit-servicenow-ai-toolkit/ml-detect-anomalies.md
- `ml_train_anomaly_detector` — Execute — https://policylayer.com/tools/nowaikit-servicenow-ai-toolkit/ml-train-anomaly-detector.md
- `ml_train_change_risk` — Execute — https://policylayer.com/tools/nowaikit-servicenow-ai-toolkit/ml-train-change-risk.md
- `ml_train_incident_classifier` — Execute — https://policylayer.com/tools/nowaikit-servicenow-ai-toolkit/ml-train-incident-classifier.md
- `publish_changeset` — Execute — https://policylayer.com/tools/nowaikit-servicenow-ai-toolkit/publish-changeset.md
- `run_aggregate_query` — Execute — https://policylayer.com/tools/nowaikit-servicenow-ai-toolkit/run-aggregate-query.md
- `run_atf_suite` — Execute — https://policylayer.com/tools/nowaikit-servicenow-ai-toolkit/run-atf-suite.md
- …and 379 more: https://policylayer.com/tools/nowaikit-servicenow-ai-toolkit.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=nowaikit-servicenow-ai-toolkit · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/nowaikit-servicenow-ai-toolkit