compute_payroll
PAID ($0.10). Gross-to-net take-home pay for Nigeria or Kenya: applies PAYE (on the verified brackets) plus the statutory employee deductions (Nigeria: pension/NHF/NHIS; Kenya: NSSF/SHIF/Affordable Housing Levy) and reliefs, returning net pay with full workings, per-contribution citations and DIS...
This record as markdown: /tools/dev-afriref-reference-data/compute-payroll.md
What compute_payroll does on Reference Data
AI agents call compute_payroll to retrieve information from Reference Data without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
basic | number | — | Nigeria: basic pay component |
gross | number | Yes | Gross pay in local currency |
period | string | — | Period the gross covers (default month) |
sector | string | — | Nigeria: public applies NHF; private (default) sets NHF 0 |
api_key | string | — | API key (bypasses x402; metered for invoicing) |
country | string | Yes | Payroll is supported for Nigeria (ng) and Kenya (ke) |
housing | number | — | Nigeria: housing allowance |
transport | number | — | Nigeria: transport allowance |
annual_rent | number | — | Nigeria: annual rent paid (unlocks rent relief) |
nhis_premium | number | — | Nigeria: NHIS employee premium if deducted |
pensionable_pay | number | — | Kenya: pensionable pay for NSSF tiers |
insurance_premium | number | — | Kenya: insurance premium for 15% relief |
Parameters from the server's own tool schema.
Why compute_payroll is rated Low
Even though compute_payroll only reads data, uncontrolled read access leaks sensitive information and racks up API costs: an agent caught in a retry loop can make thousands of calls a minute without anyone noticing.
Risk signalsHandles credentials or secrets (api_key) · High parameter count (12 properties)
Attacks that exploit this kind of access
The rule that runs compute_payroll safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Reference Data, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For compute_payroll, this is the rule to start with:
compute_payroll is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Reference Data, apply this rule, and every compute_payroll call is checked against it from then on.
Questions about compute_payroll
PAID ($0.10). Gross-to-net take-home pay for Nigeria or Kenya: applies PAYE (on the verified brackets) plus the statutory employee deductions (Nigeria: pension/NHF/NHIS; Kenya: NSSF/SHIF/Affordable Housing Levy) and reliefs, returning net pay with full workings, per-contribution citations and DISCLOSED assumptions. Nigeria's pension base needs pay composition — pass basic/housing/transport for an exact figure, or a market-convention 40/30/10 split is assumed and disclosed. Pass api_key if you have one; otherwise the response explains how to pay via x402. It is categorised as a Read tool in the Reference Data MCP Server, which means it retrieves data without modifying state.
compute_payroll accepts 12 parameters: basic, gross, period, sector, api_key, country, housing, transport, annual_rent, nhis_premium, pensionable_pay, insurance_premium. Required: gross, country. The full parameter table on this page comes from the server's own tool schema.
Register the Reference Data MCP server in PolicyLayer and add a rule for compute_payroll: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Reference Data. Nothing to install.
compute_payroll is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the compute_payroll rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for compute_payroll. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
compute_payroll is provided by the Reference Data MCP server (https://afriref.dev/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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