# snow_create_purchase_order

Open a purchase order (proc_po) against a vendor, with optional requested_by user and total_cost. Captures the buy-side step after a procurement request has been approved.

Agent View of the PolicyLayer registry record for `snow_create_purchase_order`. HTML page: https://policylayer.com/tools/serac/snow-create-purchase-order

## Facts

- Tool: `snow_create_purchase_order`
- Server: Serac (`serac-labs/serac`) — https://policylayer.com/tools/serac.md
- Homepage: https://github.com/serac-labs/serac
- Risk category: Financial (Critical risk)
- Registry record: grade F, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Approval-gated

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

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

## Why snow_create_purchase_order is rated Critical

Creating a purchase order is a financial commitment — it binds the organization to pay a vendor for goods or services. This directly falls under the Financial category as it moves money or commits financial obligations. Misuse could result in unauthorized procurement commitments of arbitrary value.

From the tool's own definition: "Open a purchase order (proc_po) against a vendor, with optional requested_by user and total_cost. Captures the buy-side step after a procurement request has been approved."

## Use case

AI agents use snow_create_purchase_order to commit financial operations through Serac, usually the final step of a payment, billing, or trading workflow. A call moves real money.

## Recommended policy (PolicyLayer)

Verdict: **Approval-gated**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches Serac:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "snow_create_purchase_order": {
      "deny_if": [
        {
          "conditions": [],
          "on_deny": "Requires human approval."
        }
      ]
    }
  }
}
```

## Other tools on Serac (431)

- `snow_cleanup_test_artifacts` — Destructive — https://policylayer.com/tools/serac/snow-cleanup-test-artifacts.md
- `snow_delete_attachment` — Destructive — https://policylayer.com/tools/serac/snow-delete-attachment.md
- `snow_inbound_email_action` — Destructive — https://policylayer.com/tools/serac/snow-inbound-email-action.md
- `snow_pa_indicator_manage` — Destructive — https://policylayer.com/tools/serac/snow-pa-indicator-manage.md
- `snow_rollback_deployment` — Destructive — https://policylayer.com/tools/serac/snow-rollback-deployment.md
- `snow_workflow_transition` — Destructive — https://policylayer.com/tools/serac/snow-workflow-transition.md
- `enterprise_tool_execute` — Execute — https://policylayer.com/tools/serac/enterprise-tool-execute.md
- `snow_auto_resolve_incident` — Execute — https://policylayer.com/tools/serac/snow-auto-resolve-incident.md
- `snow_automate_threat_response` — Execute — https://policylayer.com/tools/serac/snow-automate-threat-response.md
- `snow_batch_request` — Execute — https://policylayer.com/tools/serac/snow-batch-request.md
- `snow_change_manage` — Execute — https://policylayer.com/tools/serac/snow-change-manage.md
- `snow_cicd_deploy` — Execute — https://policylayer.com/tools/serac/snow-cicd-deploy.md
- `snow_collect_metric` — Execute — https://policylayer.com/tools/serac/snow-collect-metric.md
- `snow_confirm_script_execution` — Execute — https://policylayer.com/tools/serac/snow-confirm-script-execution.md
- `snow_convert_es6_to_es5` — Execute — https://policylayer.com/tools/serac/snow-convert-es6-to-es5.md
- `snow_convert_to_es5` — Execute — https://policylayer.com/tools/serac/snow-convert-to-es5.md
- `snow_create_mobile_action` — Execute — https://policylayer.com/tools/serac/snow-create-mobile-action.md
- `snow_create_vulnerability_scan` — Execute — https://policylayer.com/tools/serac/snow-create-vulnerability-scan.md
- `snow_custom_api` — Execute — https://policylayer.com/tools/serac/snow-custom-api.md
- `snow_elevate_role` — Execute — https://policylayer.com/tools/serac/snow-elevate-role.md
- `snow_employee_offboarding` — Execute — https://policylayer.com/tools/serac/snow-employee-offboarding.md
- `snow_employee_onboarding` — Execute — https://policylayer.com/tools/serac/snow-employee-onboarding.md
- `snow_execute_atf_test` — Execute — https://policylayer.com/tools/serac/snow-execute-atf-test.md
- `snow_execute_script` — Execute — https://policylayer.com/tools/serac/snow-execute-script.md
- `snow_execute_security_playbook` — Execute — https://policylayer.com/tools/serac/snow-execute-security-playbook.md
- `snow_execute_transform` — Execute — https://policylayer.com/tools/serac/snow-execute-transform.md
- `snow_fluent_build` — Execute — https://policylayer.com/tools/serac/snow-fluent-build.md
- `snow_fluent_install` — Execute — https://policylayer.com/tools/serac/snow-fluent-install.md
- `snow_fluent_transform` — Execute — https://policylayer.com/tools/serac/snow-fluent-transform.md
- `snow_github_deploy` — Execute — https://policylayer.com/tools/serac/snow-github-deploy.md
- …and 401 more: https://policylayer.com/tools/serac.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=serac · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/serac