# get_invoice

Get a single invoice by ID with line items and totals.

Agent View of the PolicyLayer registry record for `get_invoice`. HTML page: https://policylayer.com/tools/app-businys-mcp-server/get-invoice

## Facts

- Tool: `get_invoice`
- Server: Businys (`@businys/mcp-server`) — https://policylayer.com/tools/app-businys-mcp-server.md
- Install: `npx -y @businys/mcp-server`
- Homepage: https://github.com/hiatys/businys-mcp
- Risk category: Read (Low risk)
- Registry record: grade F, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Allowed

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

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

## Why get_invoice is rated Low

This tool queries and returns invoice data without creating, modifying, or deleting any information. It is a simple read operation that returns existing data. The low severity reflects that retrieving invoice information poses minimal risk even if misused by an AI agent, as it does not modify state or commit financial transactions.

From the tool's own definition: "Tool name is 'get_invoice' and description states it retrieves 'a single invoice by ID with line items and totals.' The verb 'Get' and 'retrieves' indicate query-only functionality with no modification or side effects."

## Use case

AI agents call get_invoice to retrieve information from Businys without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

## Recommended policy (PolicyLayer)

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

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_invoice": {}
  }
}
```

## Other tools on Businys (247)

- `archive_contract` — Destructive — https://policylayer.com/tools/app-businys-mcp-server/archive-contract.md
- `archive_invoice` — Destructive — https://policylayer.com/tools/app-businys-mcp-server/archive-invoice.md
- `cancel_booking` — Destructive — https://policylayer.com/tools/app-businys-mcp-server/cancel-booking.md
- `cancel_invitation` — Destructive — https://policylayer.com/tools/app-businys-mcp-server/cancel-invitation.md
- `delete_account` — Destructive — https://policylayer.com/tools/app-businys-mcp-server/delete-account.md
- `delete_asset` — Destructive — https://policylayer.com/tools/app-businys-mcp-server/delete-asset.md
- `delete_automation` — Destructive — https://policylayer.com/tools/app-businys-mcp-server/delete-automation.md
- `delete_blackout` — Destructive — https://policylayer.com/tools/app-businys-mcp-server/delete-blackout.md
- `delete_exercise` — Destructive — https://policylayer.com/tools/app-businys-mcp-server/delete-exercise.md
- `delete_gear_item` — Destructive — https://policylayer.com/tools/app-businys-mcp-server/delete-gear-item.md
- `delete_goal` — Destructive — https://policylayer.com/tools/app-businys-mcp-server/delete-goal.md
- `delete_measurement` — Destructive — https://policylayer.com/tools/app-businys-mcp-server/delete-measurement.md
- `delete_personal_record` — Destructive — https://policylayer.com/tools/app-businys-mcp-server/delete-personal-record.md
- `delete_program` — Destructive — https://policylayer.com/tools/app-businys-mcp-server/delete-program.md
- `delete_sub_profile` — Destructive — https://policylayer.com/tools/app-businys-mcp-server/delete-sub-profile.md
- `delete_workout` — Destructive — https://policylayer.com/tools/app-businys-mcp-server/delete-workout.md
- `delete_workout_set` — Destructive — https://policylayer.com/tools/app-businys-mcp-server/delete-workout-set.md
- `remove_member` — Destructive — https://policylayer.com/tools/app-businys-mcp-server/remove-member.md
- `revoke_api_key` — Destructive — https://policylayer.com/tools/app-businys-mcp-server/revoke-api-key.md
- `revoke_portal_access` — Destructive — https://policylayer.com/tools/app-businys-mcp-server/revoke-portal-access.md
- `skip_nurture` — Destructive — https://policylayer.com/tools/app-businys-mcp-server/skip-nurture.md
- `create_automation` — Execute — https://policylayer.com/tools/app-businys-mcp-server/create-automation.md
- `switch_organization` — Execute — https://policylayer.com/tools/app-businys-mcp-server/switch-organization.md
- `cancel_recurring_billing` — Financial — https://policylayer.com/tools/app-businys-mcp-server/cancel-recurring-billing.md
- `create_credit_pack` — Financial — https://policylayer.com/tools/app-businys-mcp-server/create-credit-pack.md
- `create_deposit_invoice` — Financial — https://policylayer.com/tools/app-businys-mcp-server/create-deposit-invoice.md
- `create_recurring_billing` — Financial — https://policylayer.com/tools/app-businys-mcp-server/create-recurring-billing.md
- `deduct_credit` — Financial — https://policylayer.com/tools/app-businys-mcp-server/deduct-credit.md
- `forfeit_deposit` — Financial — https://policylayer.com/tools/app-businys-mcp-server/forfeit-deposit.md
- `pause_recurring_billing` — Financial — https://policylayer.com/tools/app-businys-mcp-server/pause-recurring-billing.md
- …and 217 more: https://policylayer.com/tools/app-businys-mcp-server.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`

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Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=app-businys-mcp-server · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/app-businys-mcp-server
