# isw_get_billers_by_category

List VAS billers by category.

Agent View of the PolicyLayer registry record for `isw_get_billers_by_category`. HTML page: https://policylayer.com/tools/io-github-dairus01-interswitch-mcp-server/isw-get-billers-by-category

## Facts

- Tool: `isw_get_billers_by_category`
- Server: Interswitch (`interswitch-mcp-server`) — https://policylayer.com/tools/io-github-dairus01-interswitch-mcp-server.md
- Install: `npx -y interswitch-mcp-server`
- Homepage: https://github.com/Dairus01/Interswitch-mcp-server
- 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": "isw_get_billers_by_category",
    "arguments": {}
  }
}
```

## Why isw_get_billers_by_category is rated Low

This is a read-only operation that retrieves billing information. It has no side effects, does not execute code or commands, does not modify data, and does not involve financial transactions. The blast radius of misuse is minimal—an attacker could enumerate available billers but cannot perform payments, transfers, or other damaging actions with this tool alone.

From the tool's own definition: "Tool name 'get_billers_by_category' and description 'List VAS billers by category' indicate a retrieval operation that queries and returns a list of billers without modifying any data."

## Use case

AI agents call isw_get_billers_by_category to retrieve information from Interswitch 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 Interswitch:

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

## Other tools on Interswitch (73)

- `isw_block_card` — Destructive — https://policylayer.com/tools/io-github-dairus01-interswitch-mcp-server/isw-block-card.md
- `isw_deactivate_paycode` — Destructive — https://policylayer.com/tools/io-github-dairus01-interswitch-mcp-server/isw-deactivate-paycode.md
- `isw_agency_requery_xml` — Execute — https://policylayer.com/tools/io-github-dairus01-interswitch-mcp-server/isw-agency-requery-xml.md
- `isw_fintech_build_response` — Execute — https://policylayer.com/tools/io-github-dairus01-interswitch-mcp-server/isw-fintech-build-response.md
- `isw_fintech_compute_mac` — Execute — https://policylayer.com/tools/io-github-dairus01-interswitch-mcp-server/isw-fintech-compute-mac.md
- `isw_agency_banking_cashout` — Financial — https://policylayer.com/tools/io-github-dairus01-interswitch-mcp-server/isw-agency-banking-cashout.md
- `isw_agency_cashout_xml` — Financial — https://policylayer.com/tools/io-github-dairus01-interswitch-mcp-server/isw-agency-cashout-xml.md
- `isw_airtime_recharge` — Financial — https://policylayer.com/tools/io-github-dairus01-interswitch-mcp-server/isw-airtime-recharge.md
- `isw_bulk_card_production` — Financial — https://policylayer.com/tools/io-github-dairus01-interswitch-mcp-server/isw-bulk-card-production.md
- `isw_bulk_transfer` — Financial — https://policylayer.com/tools/io-github-dairus01-interswitch-mcp-server/isw-bulk-transfer.md
- `isw_complete_credit` — Financial — https://policylayer.com/tools/io-github-dairus01-interswitch-mcp-server/isw-complete-credit.md
- `isw_create_bulk_paycodes` — Financial — https://policylayer.com/tools/io-github-dairus01-interswitch-mcp-server/isw-create-bulk-paycodes.md
- `isw_create_card` — Financial — https://policylayer.com/tools/io-github-dairus01-interswitch-mcp-server/isw-create-card.md
- `isw_create_paycode` — Financial — https://policylayer.com/tools/io-github-dairus01-interswitch-mcp-server/isw-create-paycode.md
- `isw_create_payment_link` — Financial — https://policylayer.com/tools/io-github-dairus01-interswitch-mcp-server/isw-create-payment-link.md
- `isw_get_airtime_epins` — Financial — https://policylayer.com/tools/io-github-dairus01-interswitch-mcp-server/isw-get-airtime-epins.md
- `isw_initialize_payment` — Financial — https://policylayer.com/tools/io-github-dairus01-interswitch-mcp-server/isw-initialize-payment.md
- `isw_initiate_refund` — Financial — https://policylayer.com/tools/io-github-dairus01-interswitch-mcp-server/isw-initiate-refund.md
- `isw_pay_bill` — Financial — https://policylayer.com/tools/io-github-dairus01-interswitch-mcp-server/isw-pay-bill.md
- `isw_pay_vas_bill` — Financial — https://policylayer.com/tools/io-github-dairus01-interswitch-mcp-server/isw-pay-vas-bill.md
- `isw_request_nano_loan` — Financial — https://policylayer.com/tools/io-github-dairus01-interswitch-mcp-server/isw-request-nano-loan.md
- `isw_salary_lending` — Financial — https://policylayer.com/tools/io-github-dairus01-interswitch-mcp-server/isw-salary-lending.md
- `isw_single_transfer` — Financial — https://policylayer.com/tools/io-github-dairus01-interswitch-mcp-server/isw-single-transfer.md
- `isw_value_financing` — Financial — https://policylayer.com/tools/io-github-dairus01-interswitch-mcp-server/isw-value-financing.md
- `isw_agency_get_token` — Read — https://policylayer.com/tools/io-github-dairus01-interswitch-mcp-server/isw-agency-get-token.md
- `isw_block_prepaid_card` — Read — https://policylayer.com/tools/io-github-dairus01-interswitch-mcp-server/isw-block-prepaid-card.md
- `isw_check_debit_balance` — Read — https://policylayer.com/tools/io-github-dairus01-interswitch-mcp-server/isw-check-debit-balance.md
- `isw_check_prepaid_balance` — Read — https://policylayer.com/tools/io-github-dairus01-interswitch-mcp-server/isw-check-prepaid-balance.md
- `isw_confirm_debit_sufficient` — Read — https://policylayer.com/tools/io-github-dairus01-interswitch-mcp-server/isw-confirm-debit-sufficient.md
- `isw_confirm_prepaid_sufficient` — Read — https://policylayer.com/tools/io-github-dairus01-interswitch-mcp-server/isw-confirm-prepaid-sufficient.md
- …and 43 more: https://policylayer.com/tools/io-github-dairus01-interswitch-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`

---

Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=io-github-dairus01-interswitch-mcp-server · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/io-github-dairus01-interswitch-mcp-server